WCH, the brand of Nanjing Qinheng Microelectronics, makes microcontrollers and interface chips. The CH32V family uses the company’s own RISC-V cores, the CH32F line uses Arm Cortex-M, and the CH57x and CH58x parts add Bluetooth Low Energy radios. WCH is also known for its CH340 USB-to-serial converters and CH9121 Ethernet-to-serial chips found on hobbyist and industrial boards. Products are sold through distributors worldwide.
Profile added on October 17, 2026 from the company's official site; products, pricing and limits have not been verified yet. Spotted an error? Tell us or see the editorial policy.
Focus: risc-v microcontrollers, interface chips.
Tags: risc-v · mcu · usb · ble · ethernet
More chips & modules companies
Ai-Thinker
Low-cost Wi-Fi, Bluetooth, LoRa and cellular modules built on Espressif and other chipsets
ASR Microelectronics
LTE Cat.1, Cat.4 and 5G baseband chips that power many low-cost cellular IoT modules
Beken
Wi-Fi, Bluetooth and audio SoCs used in smart home appliances and consumer electronics