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 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.
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.
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.
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.
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 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 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-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 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 FT61F series are 8-bit Flash MCUs with built-in capacitive touch sensing, integrating touch channels, LED drive, and general I/O with strong noise immunity — widely used for touch panels, switches, and touch-key designs in appliances and consumer electronics.
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 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.