Browse our complete range of semiconductor components
Ultra-Low Power ICs — Semiconductor brand of the Swatch Group
EM Microelectronics is a semiconductor subsidiary of the Swatch Group of Switzerland, specializing in ultra-low power CMOS IC design and manufacturing. Product lines include ultra-low power MCUs, NFC/RFID ICs, LCD driver ICs, energy harvesting ICs, and sensor ICs. Widely used in smart watches, wearables, smart cards, IoT sensor nodes, and medical devices.
Hardwired TCP/IP Ethernet ICs & PoE Modules
WIZnet is a renowned Korean semiconductor company known worldwide for its patented "hardwired TCP/IP stack" technology. The flagship W5500 is widely adopted in Arduino, Raspberry Pi, and industrial embedded communities. Product lines include Ethernet controller ICs, network modules, and PoE powered device modules for Industrial IoT, IP cameras, factory automation, and smart home applications.
Highly-Integrated Fast Ethernet Controllers & PHYs
DAVICOM Semiconductor Inc. is a Taiwanese semiconductor company specializing in Ethernet controller and PHY chip design. The DM9000/DM9051 series is widely used in the embedded Linux community (u-boot, Linux kernel) and is the mainstream Ethernet chip choice for mid-range industrial boards and ARM SoC development boards.
Leading Flash Memory & 32-bit Arm MCU Maker
GigaDevice is a leading global supplier of SPI NOR Flash and 32-bit Arm Cortex-M microcontrollers. The GD32 MCU family is highly pin-compatible with STM32, and GD25 SPI Flash is widely used across embedded systems — a mainstream choice for industrial control, consumer electronics, and IoT.
Swiss Ultra-Low Power RTC & Quartz Devices
Micro Crystal AG, part of the Swiss Swatch Group, specializes in ultra-low power real-time clock (RTC) modules and quartz crystal devices. Its RTC modules integrate a tuned crystal and are renowned for nA-level current consumption — widely used for timekeeping in wearables, smart meters, IoT, and medical devices.
EEPROM Memory & Touch MCU Specialist
Fremont Micro Devices (FMD) focuses on non-volatile memory (EEPROM) and touch microcontrollers. Its FT24C-series I²C EEPROMs are common data-storage components, and its touch MCUs are widely used for capacitive touch keys in appliance panels and consumer products.
Power Management & LED Lighting Driver ICs
On-Bright specializes in power management and LED lighting driver ICs, with a product line spanning AC/DC PWM controllers, LED driver ICs, and fast-charge protocol chips — widely used in power supplies, lighting, and consumer electronics. Contact JLink Technology for the full catalog and selection support.
LoRa / LPWAN IoT Communication Solutions
KIWI Technology is a Taiwan-based IoT communication solution provider specializing in LoRa / LoRaWAN and LPWAN modules and gateways, used in smart cities, smart metering, environmental monitoring, and asset tracking. Contact JLink Technology for module part numbers and system integration.
Power Management, Regulator & Analog ICs
TAEJIN Technology is a Korean analog and power management IC supplier, with products covering voltage regulators (LDO), power management ICs, and analog components for consumer electronics, mobile devices, and industrial equipment. Contact JLink Technology for the full product line and selection.
Rectifiers, Schottky & SiC Power Devices
Guangdong Huixin Electronics (Huixin) is a specialist discrete-semiconductor manufacturer whose products span rectifier and fast-recovery/Schottky diodes, SiC Schottky diodes and MOSFETs, TVS/Zener protection devices, bridge rectifiers, and small-signal components. Its production base is in Jiangsu, China, with sales in 30+ countries.
The EM4126 is a passive UHF RFID tag IC from EM Microelectronics compliant with ISO/IEC 18000-63 and EPC Class-1 Gen2, with 224-bit memory (16-bit PC + 208-bit EPC/UII), operating across the global 860~960MHz UHF band with ~−19dBm chip read sensitivity and EPC serialization (SGTIN) — for supply chain, retail item-level tagging, and asset management.
The EM4205 is a 125kHz LF read/write RFID transponder from EM Microelectronics with a 512-bit EEPROM (16 words × 32-bit), supporting Manchester/Bi-phase encoding and 8/16/32/64 RF-clocks-per-bit data rates, with 32-bit password read/write protection and a read-only lock, compliant with ISO 11784/11785. Fully passive — common in animal ID, access control, and immobilizers. The EM4305 is the same function with enlarged coil pads.
The EM9304 is an ultra-low-power Bluetooth 4.2 Low Energy IC from EM Microelectronics, usable as a standalone SoC or as a BLE companion/co-processor to any host MCU. It embeds a 32-bit processor (with FPU), 128KB OTP, 48KB RAM (up to 20KB retention), a BLE controller+host in ROM with OTA (FOTA) update, and up to 8 simultaneous connections. Rx −94dBm, Tx −34~+6.1dBm, in WLCSP-25 / QFN-28.
The EM4124 is a passive UHF RAIN RFID tag IC from EM Microelectronic, compliant with EPC Class-1 Gen2 / ISO 18000-6C, operating across the 860~960MHz global UHF band. It holds 176-bit non-volatile memory (16-bit PC + 96-bit EPC + 32-bit Kill password + 32-bit Access password) plus a 64-bit factory-locked unique TID, with about −19dBm chip read sensitivity and wideband parallel-inductance antenna matching — for retail item tagging, supply-chain logistics, asset tracking, animal ear tags, and anti-counterfeiting.
The EM4325 is a UHF RFID smart-sensor IC from EM Microelectronics compliant with EPC Class-1 Gen2 and ISO 18000-63, supporting battery-assisted passive (BAP) or fully passive operation, with an on-chip absolute temperature sensor, 4096-bit EEPROM, and a 4-bit GPIO/SPI interface to on-tag devices — for cold-chain temperature logging, sensor tags, and supply-chain telemetry.
The EM4569 is a 125kHz low-frequency (LF) read/write transponder IC from EM Microelectronic, with 512-bit EEPROM (16 words × 32-bit) and 32-bit password protection, compliant with ISO 11784/11785 (FDX-B) animal identification. It supports Manchester/Biphase/Miller/PSK/FSK encodings, has an on-chip resonant capacitor, and can be locked read-only. The EM4569 is the bumped enlarged-pad / extended-range variant of the EM4469, designed for direct coil bonding in animal tags, and also used in access control and logistics ID.
The EM4150 is a 125kHz low-frequency (LF) passive read/write identification IC from EM Microelectronic, with 1Kbit EEPROM (32 words × 32-bit) and 32-bit password protection, an on-chip rectifier and voltage limiter, operating across a 100~150kHz field. Unlike the read-only EM4100, the EM4150 is re-writable — for access control, asset and logistics tracking, closed-loop ticketing, and industrial ID, and it pairs with EM4095 reader front-ends.
The EM4200 is a 125kHz read-only LF RFID transponder from EM Microelectronics with 128-bit ROM, protocol-compatible with the EM4100/4102 (and EM4005/4105) as a drop-in replacement with better read range. Supports Manchester/Biphase/PSK modulation and RF/32, RF/64 data rates. Fully passive — common in access cards, animal ID, and asset tracking.
The EM4100 is EM Microelectronics' classic 125kHz read-only LF RFID tag IC with a 64-bit laser-programmed unique ID (not field-rewritable), supporting Manchester/Biphase/PSK coding and RF/64, RF/32, RF/16 data rates. Fully passive, with an on-chip 74pF resonance capacitor, rectifier, and voltage limiter — ubiquitous in access cards, key fobs, and asset ID.
The EM4095 is an EM Microelectronics 125kHz RFID reader/base-station analog front-end that directly drives the antenna and handles AM modulation/demodulation. An integrated PLL self-adapts to antenna resonance (no external quartz), connecting to an MCU via a simple interface (MOD / DEMOD_OUT / RDY_CLK), with a 4.1~5.5V supply in an SO16 package — common in access control, animal ID, and immobilizer applications.
The EM6819 is an ultra-low power 8-bit RISC microcontroller from EM Microelectronics. Built on CMOS process, it operates down to 0.9V and achieves nA-level sleep current. Features integrated LCD driver, timers, ADC, and rich peripherals — ideal for battery-powered consumer electronics and smart card applications.
The EM9301 is a single-mode Bluetooth 4.0 Low Energy (BLE) controller IC designed for ultra-low power applications. It communicates with the host MCU via SPI, integrates the RF front-end and baseband, and provides a complete BLE link layer — ideal for wearables, sensors, and beacons requiring extremely low operating current.
The EM4233 is a 13.56MHz HF passive RFID IC from EM Microelectronic, ISO/IEC 15693 compliant, with 2kbit (64 words × 32-bit) read/write EEPROM and a 64-bit unique ID (UID). A hardware crypto engine, true random number generator, and 96-bit secret key provide high security, with selectable 32-bit password or plain-memory modes and 60-year data retention — for anti-counterfeiting, access/ticketing, asset tracking, and secure smart labels.
EM4305 is a 125kHz low-frequency RFID read/write transponder IC powered by the inductive coil. Supports ASK/FSK/PSK modulation with 512-bit EEPROM — widely used in access control cards, employee ID cards, animal identification, and industrial tracking.
The EM4425 is a single-chip dual-frequency RFID tag IC from EM Microelectronics, integrating both HF (NFC, 13.56MHz) and UHF (RAIN/EPC Gen2v2, 860~960MHz) interfaces, with AES-128 encryption and digital signature support. One chip can be read both by smartphone NFC at close range and by UHF for long-range inventory — ideal for brand authentication and supply-chain traceability.
The EM4423 is a single-chip dual-frequency RFID tag IC from EM Microelectronics combining NFC (HF) and RAIN (UHF) — branded "RAINFC". The HF side is NFC Forum Type 2 compliant and the UHF side is EPC Gen2v2 compliant, with a 96-bit inalterable unique ID — widely used for retail item tagging, consumer engagement, and anti-counterfeiting.
The EM8500 is an energy-harvesting power-management IC from EM Microelectronics that draws power from µW–mW sources such as solar cells or thermoelectric generators (TEG). Its boost converter cold-starts from 300mV / ~3µW with embedded maximum-power-point tracking (MPPT), and provides 4 independently configurable outputs — the heart of battery-less or battery-extended IoT sensor nodes.
The W55RP20 is a WIZnet SiP integrating a Raspberry Pi RP2040 (dual Cortex-M0+) with the W5500 hardwired TCP/IP Ethernet controller in a single QFN68 package. With 2MB flash, 264KB SRAM, a hardwired TCP/IPv4 stack (8 sockets, 32KB/32KB TX/RX buffer), and an embedded 10/100 PHY, it builds compact industrial-Ethernet nodes with no external Ethernet chip. Programmable in C/C++ or MicroPython, with SWD debug.
The W6300 is WIZnet's first Ethernet controller with a dual IPv4/IPv6 hardwired TCP/IP stack, using a high-speed QSPI (single/dual/quad) host interface, a system clock up to 150MHz, and throughput up to ~90Mbps. With an embedded 10/100 PHY (auto-negotiation, Auto-MDIX), 8 hardware sockets, a 64KB buffer, and ICMPv6/WOL support, in 48-LQFP/QFN at 3.3V with 5V-tolerant I/O, it suits IPv6-ready industrial and IoT devices.
The WIZ550io is a WIZnet auto-configurable Ethernet module based on the W5500, with a pre-programmed unique MAC address, integrated PHY, transformer, and RJ45 (MAGJACK), and self-initialization on power-up (default IP 192.168.1.2). It connects to a host over SPI (up to 80MHz), with 8 hardware sockets and a 32KB buffer — plug-and-play wired networking for any MCU.
The WIZ750SR is a WIZnet serial-to-Ethernet (S2E) gateway module built on the W7500P Ethernet MCU (Arm Cortex-M0 + hardwired TCP/IP), converting RS-232/TTL/RS-422-485 serial to TCP/IP. 10/100M Ethernet, serial up to 230kbps, with TCP server/client and UDP modes, configurable via AT commands / web / config tool — and software/hardware compatible with the WIZ107SR/108SR.
The W7500P is a WIZnet Ethernet iMCU integrating an Arm Cortex-M0 (up to 48MHz), 128KB Flash, 16KB SRAM, hardwired TCP/IP (8 sockets, 32KB socket buffer), and an embedded 10/100 PHY (IP101G). It is the integrated-PHY version of the W7500 (which needs an external PHY) — a single-chip networked design, ideal for IoT and serial-to-Ethernet. 64-LQFP.
The W5100 is WIZnet's classic hardwired TCP/IP Ethernet controller (used on the Arduino Ethernet Shield), integrating 10/100 MAC+PHY, 4 hardware sockets, and a 16KB buffer, with a parallel-bus and SPI host interface in an 80-pin LQFP, 3.3V with 5V-tolerant I/O. The newer W5100S is register/software-compatible with faster SPI in a smaller package.
The W5300 is a WIZnet hardwired TCP/IP Ethernet controller with 8 independent hardware sockets, a 128KB TX/RX buffer, an 8/16-bit parallel host interface, and an embedded 10/100 PHY, supporting TCP/UDP/ICMP/IPv4/ARP/IGMP/PPPoE. Its high-throughput parallel architecture suits industrial networking, serial-to-Ethernet, and data acquisition. 100-LQFP package.
The W5200 is a WIZnet hardwired TCP/IP Ethernet controller with an SPI (up to 80MHz) host interface, 8 hardware sockets, a 32KB TX/RX buffer, and an integrated 10/100 MAC and PHY (Auto-MDI/MDIX). It runs at 3.3V with 5V-tolerant I/O in a 48-pin QFN. Note: WIZnet marks the W5200 not-recommended-for-new-design (EOL/NRND) and it is not covered by the current ioLibrary — for new designs use its successor W5500; this page remains for existing-design lookup and replacement evaluation.
W5500 is WIZnet's flagship Ethernet controller with a unique hardwired TCP/IP stack, enabling direct network connectivity without software TCP/IP implementation. Connects to the host MCU via SPI, features 32KB TX/RX buffer, supports up to 8 sockets — the most widely adopted Ethernet chip in the Arduino/Raspberry Pi ecosystem.
W5100S is an enhanced version of W5100, supporting both SPI and parallel interfaces with 16KB TX/RX buffer and 4 sockets. Adds SOCKET-less commands, Wake on LAN (WOL), and PHY power-down mode compared to W5100 — ideal for embedded systems requiring a parallel bus interface.
WIZPoE-P1 is a WIZnet IEEE 802.3af/at standard PoE Powered Device (PD) module that draws power directly from the Ethernet cable, outputting 5V at up to 8W — no separate power cable needed. Suitable for IP cameras, industrial sensors, APs, access control devices, and other PoE-powered applications.
The W6100 is an advanced successor to the W5500, distinguished by supporting both IPv4 and IPv6 dual stacks entirely in hardware. It integrates a 10/100 MAC and PHY with 8 hardware sockets and is pin-compatible with the W5100S — an ideal choice when devices must migrate to IPv6.
The W7500 is a WIZnet "iMCU" single-chip solution that integrates an Arm Cortex-M0 microcontroller with the hardwired TCP/IP core on one die. With 128KB Flash, rich peripherals, and 8 hardware sockets, designs that need "MCU + Ethernet" can be done with a single chip.
The WizFi360 is a cost-effective industrial-grade Wi-Fi module from WIZnet, compliant with IEEE 802.11 b/g/n and supporting Station, SoftAP, and combined modes. Add Wi-Fi to any MCU over UART with AT commands; it has a built-in TCP/IP stack and an industrial -40~85°C operating range.
The DM8606 is a DAVICOM single-chip 6-port 10/100Mbps Fast Ethernet switch controller integrating five 10/100 PHYs and six MACs, with the 6th MAC providing an MII/RMII/Reverse-MII uplink. It supports 802.1Q VLAN, QoS priority queuing, STP, IGMP snooping, and per-port HP Auto-MDIX, on a dual supply (1.8V core / 3.3V I/O) in a 128-pin QFP — for embedded/industrial switches and networking gear.
The DM9621 is a DAVICOM USB 2.0-to-10/100M Fast Ethernet controller integrating an Ethernet MAC and on-chip PHY, an SSRAM packet buffer, and an optional RMII interface. In a 48-pin QFN with auto-negotiation and Auto-MDIX — a low-cost USB network-adapter solution, and the USB 2.0 successor to the (USB 1.1) DM9601.
The DM9601 is a DAVICOM single-chip USB-to-10/100M Fast Ethernet controller integrating a USB transceiver (USB 1.1-compliant, works on USB 2.0 host ports), a 10/100 MAC and PHY, and an internal buffer. 3.3V with 5V-tolerant I/O in a 48-pin LQFP — low pin count and low cost, common in USB-to-Ethernet (USB-LAN) adapters and NICs.
The DM9051A is a DAVICOM SPI-to-Ethernet controller integrating a 10/100M MAC and PHY with an on-chip packet buffer, supporting IP/TCP/UDP checksum offload, Auto-MDIX, IEEE 802.3az (EEE), and Wake-on-LAN. A QFN32 (5×5mm) revision of the DM9051 with official Espressif ESP-IDF support — commonly used to add wired Ethernet to MCUs like the ESP32 over SPI.
The DM9162 is a DAVICOM 10/100Mbps single-port Fast Ethernet PHY transceiver compliant with IEEE 802.3/802.3u, offering an MII/RMII MAC interface, HP Auto-MDIX, and auto-negotiation. A single 3.3V supply with 5V-tolerant I/O in a 48-pin LQFP / 32-pin QFN — commonly paired with MCUs/SoCs that expose an MII/RMII MAC.
The DM9000B is a DAVICOM single-chip 10/100Mbps Fast Ethernet controller integrating MAC and PHY, with a general processor (parallel) interface selectable as 8- or 16-bit bus, 16KB internal SRAM, and IP/TCP/UDP checksum offload. 3.3V core with 5V-tolerant I/O in a 48-pin LQFP. Pin/software-compatible with the DM9000A; Linux has a built-in dm9000 driver.
The DM9051NP is a DAVICOM SPI-to-10/100Mbps Ethernet controller integrating MAC and PHY — the QFN-32 (5×5mm) variant of the DM9051 family. With an SPI interface up to 50MHz, a 16KB packet buffer, IPv4/TCP/UDP checksum offload, IEEE 802.3az Energy-Efficient Ethernet (EEE), Wake-on-LAN, and HP Auto-MDIX, at 3.3V, it adds wired networking to Cortex-M0/M3-class MCUs over just SPI.
DM9051 is a DAVICOM single-chip 10/100M Fast Ethernet controller with an SPI interface, eliminating the need for 8/16-bit parallel bus and greatly simplifying hardware design. Features 16KB SRAM TX/RX buffer, full-duplex flow control, and native Linux kernel driver support — ideal for network expansion on ARM or RISC-V MCU systems.
The DM9000C is a DAVICOM single-chip Ethernet controller integrating a MAC and 10/100 PHY, with a general 8/16-bit processor (parallel-bus) interface, 16KB packet SRAM, HP Auto-MDIX, IEEE 802.3u auto-negotiation, 802.3x flow control, IP/TCP/UDP checksum offload, Wake-on-LAN, and a built-in 3.3V→1.8V regulator. At 3.3V with 5V-tolerant I/O in a 48-pin LQFP, industrial-grade (CI / DM9000CIEP, −40~+85°C), it is the industrial follow-on to the DM9000A/B and also supports a 100M fiber option.
DM9000A is a well-established Ethernet controller familiar to the embedded Linux community, using an 8/16-bit parallel ISA-like interface. Mature drivers exist for ARM9/ARM11 platforms (Samsung S3C series), with u-boot and Linux kernel native support — commonly found on industrial embedded boards and SoC evaluation boards.
DM9161A is a DAVICOM single-port 10/100M Fast Ethernet PHY that connects to a MAC via MII/RMII interface, supporting Auto-Negotiation and MDI/MDI-X. Suitable for designs requiring a discrete MAC/PHY architecture — commonly paired with FPGA or SoC integrated MACs.
The GD32F350 is a value-line Arm Cortex-M4 MCU from GigaDevice (FPU/DSP) at up to 108MHz, with 16~128KB Flash, 4~8KB SRAM, 1× USB FS, 12-bit ADC, DAC, timers, and I²C/SPI/USART. A wide 2.6~3.6V supply with 5V-tolerant I/O suits cost-sensitive consumer, industrial, and appliance designs.
The GD32E503 is a GD32E5-series Arm Cortex-M33 MCU from GigaDevice (FPU/DSP/MPU) at up to 180MHz, with a hardware Trigonometric Math Unit (TMU) accelerating sin/cos/sqrt/log. With 128~512KB Flash, up to 128KB SRAM, 2× CAN-FD, USB 2.0 FS, and multiple USART/SPI/I²C, a wide 1.7~3.6V supply, and 5V-tolerant I/O. LQFP48/64/100, BGA64.
The GD32H759 is a high-performance Arm Cortex-M7 MCU from GigaDevice at 600MHz (L1 cache, double-precision FPU), with up to 3840KB Flash and 1024KB SRAM (ITCM/DTCM, ECC). It integrates 3× CAN-FD, dual Ethernet MAC (with EtherCAT), 2× USB HS/FS, 6× SPI, 2× OSPI, a TFT-LCD controller, and 14-bit ADC — for industrial automation, motor control, and graphical HMI. LQFP100/144/176, BGA.
The GD32A503 is an automotive Arm Cortex-M33 MCU from GigaDevice at 100MHz, AEC-Q100 Grade 1 qualified, operating −40~125°C from a 2.7~5.5V supply. With 2× CAN-FD and 3× LIN, up to 384KB program Flash plus data Flash and 4KB EEPROM, up to 48KB SRAM, and ECC/CRC with voltage/clock monitoring — for body control, door/seat, HVAC, and automotive lighting. QFN32/LQFP48/64/100.
The GD32C103 is a mainstream Arm Cortex-M4 MCU (FPU/DSP) from GigaDevice at 120MHz, integrating CAN-FD (2× FD-capable CAN), up to 128KB Flash and 32KB SRAM, with dual 12-bit ADC/DAC, 3× SPI, 2× I²C, and USB FS OTG. A wide 1.71~3.6V supply suits industrial control, motor drives, and CAN-FD network nodes. QFN36 / LQFP48/64/100.
The GD32VF103 is a RISC-V 32-bit MCU from GigaDevice using a Nuclei Bumblebee core (N200-class, RV32IMAC) at up to 108MHz, with up to 128KB Flash and 32KB SRAM, dual 12-bit ADC/DAC, 2× CAN, and USB FS. Its pinout/peripherals are footprint-compatible with the GD32F103 (Arm M3) — though the core is RISC-V (not binary-compatible). QFN36 / LQFP48/64/100.
The GD32L235 is an ultra-low-power 32-bit Arm Cortex-M23 MCU from GigaDevice at 64MHz, with 64~128KB flash / 12~24KB SRAM. Power is very low: ~66µA/MHz run, 1.8µA deep-sleep (<2µs wake), 0.26µA standby, with low-power LPUART and LPTIMER for always-on tasks. It integrates a 12-bit ADC, DAC and two comparators, USB 2.0 FS and CAN 2.0, in LQFP/QFN and WLCSP25. Versus the cataloged GD32L233, the L235 adds CAN and richer peripherals — for smart locks, metering, wearables, and battery management.
The GD32L233 is an ultra-low-power Arm Cortex-M23 MCU from GigaDevice on a 40nm ULP low-leakage process at up to 64MHz, with 64~256KB Flash and 16~32KB SRAM. With ~2µA deep-sleep and ~0.4µA standby current, plus low-power timer/UART, RTC, and LCD driver, it suits battery-powered smart meters, medical, and IoT sensing. QFN32 / LQFP32/48/64.
The GD32W515 is a Wi-Fi-enabled Arm Cortex-M33 MCU from GigaDevice (with TrustZone, FPU/DSP) at up to 180MHz, integrating single-stream 2.4GHz 802.11 b/g/n (Wi-Fi 4). With WPA3 and PSA Certified Level 1 security, up to 2MB eFlash and 448KB SRAM plus external Flash support, it suits smart appliances and secure AIoT connectivity. QFN56 / QFN36.
The GD32F470 is a high-performance Arm Cortex-M4 MCU (FPU/DSP) from GigaDevice at up to 240MHz, with up to 3MB Flash and 768KB SRAM. It integrates a TFT-LCD interface (TLI), Image Processing Accelerator (IPA), camera interface (DCI), and EXMC with SDRAM support, plus USB FS+HS, 2× CAN, and 10/100 Ethernet MAC — ideal for graphical HMI and compute-heavy applications.
The GD5F2GQ5 is a 2Gbit serial SPI NAND Flash from GigaDevice with an x1/x2/x4 (Quad) SPI interface up to 104MHz, 2.7~3.6V supply, a 2KB+128B page, on-die hardware ECC, in a WSON8 (8×6mm) package. At twice the density of the cataloged GD5F1GQ5 (1Gbit), it suits MCU/SoC code and data storage, IoT, set-top boxes, and industrial/automotive (−40~+105°C) use.
The GD5F1GQ5 is a 1Gbit SPI NAND Flash from GigaDevice with a 2KB page and 128KB block (64 pages), supporting x1/x2/x4 (Quad) SPI. The series splits into on-chip-ECC variants (UE, 2.7~3.6V, up to 133MHz) and ECC-free variants (RE, 1.7~2.0V, 104MHz), in WSON8 — for code and data storage on MCUs/SoCs.
The GD25LE128E is a 128Mbit (16MB) low-voltage serial SPI NOR Flash from GigaDevice, 1.65~2.0V (1.8V class), supporting Single/Dual/Quad I/O and QPI, with read up to 133MHz (104MHz QSPI DTR). It has security registers/OTP locks, a 64-bit Unique ID, hardware RESET#, and suspend/resume, in SOP8 / USON8 (3×3mm FO-USON8) / WSON8 / WLCSP — for wearables, IoT, and code storage (XIP).
The GD25Q80 is an 8Mbit (1MB) serial SPI NOR Flash from GigaDevice, 2.7~3.6V, supporting Standard/Dual/Quad I/O, a 256-byte page and 4KB sector, with Security Register/OTP and Unique ID. In SOP8 / USON8 / WSON8 with a standard JEDEC pinout, it is commonly used as a Winbond W25Q80 alternative.
The GD25LQ32 is a 32Mbit (4MB) low-voltage SPI NOR Flash from GigaDevice, 1.65~2.0V (1.8V class), up to 133MHz, with Dual/Quad I/O and QPI modes, write protection, and security features, in SOP8 / USON8 / WSON8. The low-voltage design suits battery-powered, IoT, and wireless-module (BLE/Wi-Fi) firmware storage. (Production part: GD25LQ32E.)
The GD25Q256 is a 256Mbit (32MB) serial SPI NOR Flash, 2.7~3.6V, up to 133MHz, with Dual/Quad I/O and 4-byte addressing (to reach the full 32MB). It includes OTP/Unique ID and program/erase suspend-resume, in SOP16 / WSON8 / TFBGA24. With a standard command set, it is commonly used as a Winbond W25Q256 alternative.
The GD32E103 is a value-line Arm Cortex-M4 MCU from GigaDevice (with FPU/MPU) at 120MHz, with 32~128KB Flash, 8~32KB SRAM, USB FS, 2× CAN 2.0B, and 3× SPI / 2× I²C / USART-UART peripherals. A cost-optimized M4, broadly footprint- and peripheral-aligned with the GD32F103.
The GD25Q16 is a 16Mbit (2MB) serial SPI NOR Flash, 2.7~3.6V, up to 80MHz (C grade), with Dual/Quad I/O, 4KB sector, and 256-byte page program. In SOP8 / VSOP8 / DIP8 / USON8 with a standard JEDEC pinout and command set, it is commonly used as a Winbond W25Q16 alternative (verify against the datasheet before production).
The GD32F303 is a mainstream Arm Cortex-M4 MCU from GigaDevice at 120MHz (with DSP/FPU/MPU), 128KB~3MB Flash, 32~96KB SRAM, 3× 12-bit ADC, 2× DAC, rich timers, and USB FS/CAN/SDIO. In LQFP48/64/100/144, it is commonly used as an M4 upgrade from STM32F1 or an STM32F303-class alternative.
The GD25Q32 is a 32Mbit (4MB) serial SPI NOR Flash, 2.7~3.6V, up to 133MHz, with Dual/Quad I/O, an OTP security region, Unique ID, and program/erase suspend-resume. In SOP8 / USON8 / WSON8 with a standard JEDEC pinout and command set, it is commonly used as a Winbond W25Q32 alternative.
The GD32F407 is a high-performance 32-bit MCU from GigaDevice with an Arm Cortex-M4 core (FPU/DSP) at 168MHz, up to 1MB Flash and 192KB SRAM, integrating USB OTG (FS+HS), 10/100 Ethernet MAC, and CAN. With packages aligned to the STM32F407 (LQFP100/144), it is commonly used as an STM32F407-class alternative.
The GD25Q128 is a 128Mbit (16MB) serial SPI NOR Flash, 2.7~3.6V supply, up to 133MHz, with Dual/Quad I/O, 4KB sector and 32/64KB block erase, and 256-byte page program. In SOP8 / WSON8 with a standard JEDEC pinout and command set, it is a common second source for the Winbond W25Q128.
The GD32G553 is a high-performance Arm Cortex-M33 (with DSP and single-precision FPU) MCU in GigaDevice’s GD32G5 series at 216MHz, with 256~512KB dual-bank flash and 128KB SRAM (incl. TCMRAM). It integrates four 12-bit ADCs (up to 5.3MSPS), four DACs, eight high-speed comparators, three CAN-FD, a 16-channel high-resolution timer (145ps), and TMU/FAC/FFT math accelerators, with secure boot/AES and IEC 61508 SIL2 — for digital power, EV charging, energy-storage inverters, and servo motor control.
The GD32F150 is a value-line 32-bit Arm Cortex-M3 MCU from GigaDevice at 72MHz, with 16~64KB flash / 4~8KB SRAM. Versus the GD32F130, the F150 strengthens analog: beyond the 12-bit ADC it adds a 12-bit DAC and two rail-to-rail low-power comparators — for sensor signal-conditioning and control. With dual SPI/I²C/USART, an advanced PWM timer, 5V-tolerant I/O, and USBFS on selected parts, in LQFP48/64 and QFN28/32.
The GD32F130 is a value-line 32-bit Arm Cortex-M3 MCU from GigaDevice, running at 48MHz with zero-wait-state flash, up to 64KB flash / 8KB SRAM, a 2.6~3.6V supply, and 5V-tolerant I/O. With a 12-bit ADC, multiple 16/32-bit timers plus an advanced PWM timer, and dual SPI/I²C/USART, in packages from TSSOP20 to LQFP64, it suits cost-sensitive industrial control, motor drive, and HMI designs.
The GD32F207 is a high-performance 32-bit Arm Cortex-M3 MCU from GigaDevice at 120MHz, with up to 3072KB flash / 256KB SRAM and an integrated 10/100 Ethernet MAC (with IEEE 1588) — pair it with an external Ethernet PHY (e.g. DAVICOM DM9161A/DM9162) for wired networking. It also offers USB 2.0 FS (OTG), dual CAN 2.0B, up to three 12-bit ADCs and two DACs; larger SKUs add a TFT-LCD interface (TLI), camera interface (DCI), and AES/HASH/TRNG security. At 2.6~3.6V in LQFP64~176, it suits industrial gateways, HMI, and networking gear.
The GD32F205 is a high-performance 32-bit Arm Cortex-M3 MCU from GigaDevice at 120MHz with zero-wait flash, up to 3072KB flash / 256KB SRAM. It integrates USB 2.0 Full-Speed (OTG), dual CAN 2.0B, a TFT-LCD interface (TLI), an external memory controller (EXMC with SDRAM), up to three 12-bit ADCs and DAC. At 2.6~3.6V with 5V-tolerant I/O in LQFP64/100/144, it suits industrial control, HMI, and display modules.
The GD32F103 is a mainstream 32-bit MCU based on the Arm Cortex-M3 core running up to 108 MHz, pin-compatible with STM32F103 for easy migration. Rich peripherals (USART/SPI/I²C/USB/CAN/ADC) make it ideal for industrial control, motor drive, and consumer electronics.
The GD32E230 uses the Arm Cortex-M23 core at up to 72 MHz, targeting low cost and low power — ideal for appliance control, compact sensors, and cost-sensitive consumer products. Available in TSSOP/QFN/LQFP compact packages.
The GD25Q64 is a 64 Mbit (8 MB) serial SPI NOR Flash supporting Standard / Dual / Quad SPI at up to 120 MHz — widely used for code storage, boot loading, and data logging. Available in SOP8 / USON8 compact packages.
The GD32F403 is a high-performance 32-bit MCU from GigaDevice based on an Arm Cortex-M4 core with DSP and FPU, running up to 168 MHz with zero-wait-state Flash access. With large memory (up to 3MB Flash) and rich analog and communication peripherals, it suits industrial and consumer applications that combine control with signal processing.
The CM8V-T1A is a 32.768kHz tuning-fork SMD quartz crystal from Micro Crystal in a tiny 2.0×1.2×0.6mm package. With a ±20ppm frequency tolerance (±10ppm option), a 70kΩ max ESR, and multiple load-capacitance options (CL 4.0/7.0/9.0/12.5pF) to match the host oscillator, over −40~+85°C, it serves as the clock source for an RTC/MCU low-speed external oscillator (LSE) — for wearables, IoT, and metering. Note: this is a bare crystal, a different category from our RV-xxxx RTC modules (which embed their own crystal).
The RV-8803-C7 is a high-accuracy I²C real-time-clock module from Micro Crystal with a built-in 32.768kHz DTCXO, ±3ppm accuracy (−40~85°C), ~240nA timekeeping at 3V, a wide 1.5~5.5V supply, plus alarm, timer, interrupt output, and a time-stamp event input.
The RV-1805-C3 is an extreme-low-power RTC module from Micro Crystal with an integrated 32.768kHz crystal, drawing as little as ~60nA (typ) in time-keeping, with an I²C (400kHz) interface, alarm, countdown timer, periodic interrupt and watchdog, plus an on-chip trickle charger and automatic backup-supply switchover — for battery/coin-cell metering, data loggers, and IoT sensor nodes. Note: the manufacturer marks this part NRND (not recommended for new designs); for new designs consider the in-stock RV-3028-C7.
The RV-3028-C7 is one of the industry's most power-efficient RTC modules, drawing typically just ~45 nA. It integrates a tuned crystal, offers an I²C interface, and includes alarm, timer, and event logging — ideal for coin-cell powered wearables, meters, and IoT applications needing long battery life.
The RV-3029-C2 is a Micro Crystal I²C RTC module with an embedded 32.768kHz crystal and DTCXO temperature compensation (±6ppm, −40~85°C), with backup-battery switchover, programmable trickle charge, a temperature sensor, 8-byte RAM, and 2-byte EEPROM, ~800nA timekeeping, a 1.3~5.5V supply, and AEC-Q200. Note: this part is discontinued (NRND); use the RV-3028-C7 for new designs.
The RV-3129-C3 is a high-accuracy I²C RTC module from Micro Crystal with an integrated 32.768kHz crystal and DTCXO temperature compensation (on-chip thermometer), ±6ppm accuracy (option A, −40~85°C). I²C Fast-mode 400kHz, ~100nA timekeeping, a wide ~1.3~5.5V supply, plus alarm, timer, programmable CLKOUT, and low-voltage detection. 4-pin ceramic SMD (5.0×3.2mm).
The RV-8564 is an I²C RTC/calendar module from Micro Crystal with an embedded 32.768kHz crystal, register-compatible with the NXP PCF8563 so existing firmware can be reused. I²C Fast-mode 400kHz, ~250nA timekeeping, a wide 1.2~5.5V supply, plus alarm, timer, programmable CLKOUT, interrupt, and voltage-low detection. SON ceramic package.
The RV-3032-C7 is a high-accuracy I²C RTC module from Micro Crystal with a built-in 32.768kHz DTCXO, ±2.5ppm accuracy (−40~85°C), and a readable 12-bit temperature sensor. With ~160nA timekeeping, a wide 1.2~5.5V supply, plus user EEPROM/RAM, alarm, and timer, in a SON-8 package.
The RV-8263-C8 is an ultra-small I²C real-time-clock module from Micro Crystal with an integrated 32.768kHz crystal, ~190nA timekeeping, a wide 0.9~5.5V supply, and alarm, timer, interrupt, and CLKOUT. In a 2.0×1.2×0.7mm ceramic SMD package, it is the miniaturized successor to the RV-8263-C7 (same function, roughly half the footprint).
The RV-8263-C7 is a low-power I²C RTC module with an integrated 32.768 kHz crystal, offering alarm, countdown timer, and clock output (CLKOUT). Its compact package suits consumer electronics, appliances, and industrial timekeeping.
The FT60F series are general-purpose 8-bit RISC MCUs from FMD with Flash program memory, a reduced single-cycle instruction set, up to 16MHz, a wide 2.0~5.5V range, on-chip high/low-speed RC oscillators (no external crystal), and separate in-application-programmable data EEPROM. With POR/LVR/LVD, high ESD/EFT immunity, and ISP programming, in packages from SOT23-6 to DIP16, it suits small appliances, toys, and cost-sensitive embedded control (ADC is variant-dependent).
The FT61F is a general-purpose 8-bit RISC MCU series from FMD (EEPROM-based program memory), up to 16MHz, a wide 2.0~5.5V range, an on-chip 10-bit ADC, two analog comparators, multiple timers, and 4-channel PWM with dead-band. Offered in low-pin-count SOP/MSOP/DIP packages, it suits low-cost control in appliances, small home appliances, and consumer products.
The FT25C series are FMD SPI serial EEPROMs spanning 8Kb~64Kbit, with a wide 1.8~5.5V supply, up to 20MHz SPI clock, >1,000,000 write cycles, and 100-year retention, in SOIC8 / TSSOP8 / DIP8, compatible with industry-standard 25-series (25xxx) SPI EEPROMs. (Note: FMD's separate FT25H series is SPI NOR Flash, not EEPROM.)
The FT93C series are FMD Microwire 3-wire serial EEPROMs spanning 1Kb/2Kb/4Kb (FT93C46/56/66), with selectable x8 or x16 organization, a 2.5~5.5V supply (1.8~5.5V on A grades), >1,000,000 write cycles, and 100-year data retention. In SOP8 / TSSOP8 / DIP8, compatible with industry-standard 93Cxx parts (ST M93Cxx, Microchip 93LCxx, AT93Cxx).
The FT24C series are standard I²C serial EEPROMs spanning 2K to 256K bit (FT24C02 ~ FT24C256), compatible with industry-standard pinouts, with a wide 1.8V ~ 5.5V supply — widely used to store configuration parameters, calibration data, and serial numbers.
The OB5269 is a green-mode current-mode PWM flyback controller from On-Bright, integrating an HV startup circuit and extended burst mode that reduces frequency at light load for higher efficiency and energy-standard compliance. With built-in OCP/OLP/UVLO/OTP/OVP protections in an SOP-8 package, it suits phone chargers, adapters, and low-power AC/DC supplies.
The OB3375 is a high-efficiency buck LED driver controller from On-Bright using quasi-resonant, peak-current-mode control for white-LED and LCD-backlight strings. A built-in transconductance amplifier gives accurate constant-current (CC) regulation, with HPWM current setting and LPWM low-frequency dimming (1%~100%), plus full protection (LED open/short, CS open, MOS/diode/inductor short, OTP, UVLO). SOP8.
The OB3392 is an offline (AC-DC) isolated single-stage primary-side-regulated (PSR) constant-current LED lighting driver controller from On-Bright, with primary-side current regulation that needs no opto-coupler or TL431. It uses constant on-time for high power factor and quasi-resonant operation for efficiency, with line/load compensation and LED open/short, cycle-by-cycle current limit, VDD UVLO/OVP, and over-temperature protection. For LED bulbs and tubes. SOT23-6.
The OB2226 is a high-precision current-mode PWM power switch from On-Bright with a built-in high-voltage power MOSFET, for non-isolated buck (offline) supplies. It has a built-in error amplifier and load compensation for accurate constant voltage across universal AC input, with frequency reduction (light-load efficiency), frequency shuffling (EMI), soft-start, and Leading-Edge Blanking, plus full auto-recovery protection (OCP/OLP/SCP/OTP/OVP/UVLO). DIP7 / SOP8.
The OB2520 is a high-precision CC/CV primary-side regulation (PSR) PWM controller from On-Bright for low-power offline (AC/DC) chargers and adapters. Primary-side sensing eliminates the opto-coupler and TL431; it integrates constant-voltage (CV) and constant-current (CC) control with cycle-by-cycle current limit and VDD over-voltage protection, for low component count and high efficiency in a SOT23-6.
The OB2500 is an On-Bright offline primary-side-regulation (PSR) power switch with an integrated driver power MOSFET, achieving CC/CV constant-current/voltage output from primary-side sensing alone — eliminating the TL431 and opto-coupler and cutting BOM. It features frequency shuffling for low EMI, UVLO and over-temperature (OTP) protection, very low standby power, and DOE Level 6 average efficiency, in OB2500N (SOP7) and OB2500P (SOP8) — for 5V USB phone chargers and low-power AC/DC adapters.
The OB2273 is a high-performance current-mode PWM controller from On-Bright for low-standby offline (AC/DC) flyback supplies. It runs a fixed 65kHz with soft-start, frequency shuffling for EMI, and audio-noise-free light-load burst mode, with full OCP/OLP/UVLO/OTP/OVP protection in a SOT23-6 — common in chargers, adapters, and set-top-box power.
The OB2358 is an On-Bright current-mode PWM power switch with an integrated high-voltage power MOSFET, for low-cost off-line flyback AC/DC converters — up to ~27W at 230VAC and ~16W over a universal 85~265VAC input. It runs at a fixed 50kHz with frequency shuffling for low EMI, uses extended burst mode for low standby power, and includes cycle-by-cycle OCP, OLP, OVP, and UVLO auto-recovery protections in a DIP8 package — for adaptors, set-top boxes, and auxiliary/standby supplies (note: a PWM power switch, not an LED driver).
The OB2201 is an On-Bright offline flyback Quasi-Resonant (QR) PWM controller — a controller-type IC that drives an external power MOSFET. It runs at ~52kHz CCM at low line, switches to QR valley-switching at high line, and enters PFM at light load to raise efficiency across the range and lower EMI. With cycle-by-cycle over-current (OCP), output over-voltage (OVP), VCC under-voltage lockout (UVLO), and pin open/short protection, in SOP-8 / DIP-8, it suits adapters, chargers, and set-top-box supplies.
The OB2263 is a current-mode PWM controller for offline flyback power supplies, ideal for chargers and adapters under 30W. The switching frequency is set by an external resistor, with comprehensive protections, EMI frequency-shuffling, and low standby power.
The OB3350 is a current-mode boost LED backlight driver providing stable constant-current drive for LCD monitor and TV backlighting. Fixed-frequency control with external PWM dimming and multiple built-in protections.
The OB2632Q is a quasi-resonant (QR) multi-mode PWM controller designed for USB-PD fast-charge adapters, with a wide supply range covering the PD output voltage sweep. It automatically switches QR / PFM / CCM modes by load for efficiency and low EMI.
The OB90R64A2 is a low-power, highly-integrated 32-bit MCU from On-Bright based on an Arm Cortex-M0 core running up to 50 MHz, with a built-in LDO for a wide 1.8~5.5V operating range. With a 12-bit ADC, analog comparators, and UART (RS-485 capable), it suits chargers/power, LED lighting, and networking control applications.
The OB39R32T1 is an 8-bit Flash MCU from On-Bright with built-in capacitive touch sensing, using a 1T (single-clock-cycle) 8051-compatible core and offering 6~8 touch channels depending on package. With a wide 2.2~5.5V supply and good noise immunity, it is widely used for touch panels and keys in appliances and consumer products.
The TLM922S is a LoRaWAN-certified module from KIWI Technology integrating a Semtech SX1272 LoRa transceiver and a 32-bit MCU (Cypress S6E1C32) running the LoRaWAN stack, controlled over a UART AT-command interface. 902~928MHz (US915-class), up to +20dBm output, ~10km line-of-sight range — for LoRaWAN IoT nodes, smart metering, and asset tracking.
The TLG8411V1 is a 16-channel industrial-grade indoor LoRaWAN gateway built on the Semtech SX1301 and a TI AM3352 (Cortex-A8) processor for high node capacity. With IP52 protection, wide-temperature operation, and MQTT support — ideal for smart factories, warehouses, and large-scale deployments.
The TLG3901V2 is a lightweight all-in-one indoor LoRaWAN gateway with a built-in network server, based on Semtech SX1308 + SX1272 and a MediaTek MT8516A (Cortex-A35). With Wi-Fi, Ethernet, and optional LTE — ideal for home and office IoT.
The TLG8402V1 is a compact entry-level single-channel LoRaWAN gateway using KIWI's own TLM922S LoRa module (Microchip ATSAMD21G), supporting LoRaWAN 1.0.3 and multi-regional bands — ideal for smart retail, cold-chain management, and small private deployments.
The LM2596 is a monolithic 3A step-down (buck) switching regulator at a fixed 150kHz, available in fixed 3.3V/5V/12V and adjustable versions, with built-in thermal shutdown and cycle-by-cycle current limit — a classic choice for high-efficiency DC/DC step-down.
The LM2576 is a monolithic 3A step-down switching regulator at a lower 52kHz fixed frequency for reduced switching loss, available in fixed 3.3V/5V/12V and adjustable versions with full protections — widely used in industrial and consumer power supplies.
The TJ5205 is a 150mA ultra-low-noise low-dropout (LDO) linear regulator with an enable pin and better than ±1% initial accuracy. Available in many fixed outputs and an adjustable version, with reverse-battery, over-current, and thermal protection — ideal for phones, laptops, and battery-powered devices.
The HSC04065AC is a 650V 4A silicon-carbide (SiC) Schottky diode with near-zero reverse recovery and stable high-temperature behavior — ideal for PFC, SMPS, solar inverters, and EV charging. The series also includes 6A/8A/10A and 1200V versions.
The SB160 is a 1.0A / 60V Schottky barrier rectifier with low forward voltage and fast switching — ideal for low-voltage rectification, freewheeling, and power protection circuits. Standard DO-41 package.
The MM1Z series are 0.5W SOD-123 surface-mount Zener diodes offering a range of regulation voltages from 2.4V upward (e.g. MM1Z3V3 = 3.3V) — used for voltage reference, clamping, and circuit protection.
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