WCH Datasheets

94 WCH datasheets read into specs, pinouts and ratings, including Microcontrollers (MCU), Interface ICs and Diodes.

WCH parts by category

WCH datasheets

94 parts · page 1 of 4. Most used first, then by part number.

CH347T

WCH

A high-speed USB bus bridge chip that provides asynchronous serial ports, I2C, SPI, JTAG, and SWD interfaces.

Serial SLC NAND Flash MemoryTSSOP-20

CH217K

WCH

USB port power distribution switch with adjustable current limit (400mA to 2.7A via external resistor), integrated overcurrent, overtemperature and undervoltage protection, 70mΩ on-resistance.

USB Current-Limit Power SwitchSOT-23-6

CH340N

WCH

USB 2.0 full-speed to UART serial bridge chip with MODEM handshake signals and built-in clock, no external crystal required

USB to Serial Bridge ICSOP-8

CH213K

WCH

Low dropout ideal diode chip with current limiting, short-circuit, over-temperature and reverse polarity protection for 2.2V-5.5V DC supplies up to ~1A.

Low Dropout Ideal Diode ChipSOT-23-3

CH340G

WCH

USB bus conversion chip that provides a full-speed USB device interface to emulate a standard UART interface or a printer interface, supporting various baud rates and MODEM signals.

USB to serial chipSOP-16

CH32H417QEU6

WCH

QFN-128(12.3x12.3) Microcontrollers RoHS

Dual-Core RISC-V MicrocontrollerQFN-128(12.3x12.3)

CH213

WCH

Low-dropout ideal diode chip with current limiting, short-circuit, over-temperature and reverse polarity protection for DC supplies up to ~1A at 5V

Low Dropout Ideal Diode Chip

CH213B

WCH

Low-dropout ideal diode chip with current limiting, short-circuit, over-temperature and reverse polarity protection for DC supplies up to 5V/1A; CH213B contains two independent ideal diodes sharing GND.

Low Dropout Ideal Diode ChipSOT23-6

CH213KS

WCH

Low-dropout ideal diode chip with integrated current limiting, short-circuit, over-temperature and reverse-polarity protection for up to ~1A DC at 5V; acts as a Schottky diode plus self-recovery fuse with much lower voltage drop.

Low Dropout Ideal Diode ChipSOT23-3

CH213L

WCH

Low dropout ideal diode chip with current limiting, short-circuit, over-temperature and reverse power polarity protection for DC supplies up to 1A at 5V

Low Dropout Ideal Diode ChipDFN6 2x2mm

CH217

WCH

USB port power switch chip with adjustable current limit threshold (400mA to 2.7A) and integrated overcurrent, overtemperature, and undervoltage protection.

USB Current Limit Power Distribution Switch ChipSOT23-6

CH32F203

WCH

Industrial-grade 144MHz ARM Cortex-M3 MCU with 224KB CodeFlash, 20KB SRAM, dual USB (Host/Device), CAN 2.0B, 2 op-amp/comparators, 4 USARTs, 2 I2Cs and 12-bit ADC

ARM Cortex-M3 Microcontroller

CH32F203C8T6

WCH

Industrial-grade enhanced small-to-medium capacity general-purpose microcontroller based on 32-bit ARM Cortex-M3 core, offering high performance and low power consumption.

ARM Cortex-M3 MicrocontrollerQFN48X7

CH32F203C8U6

WCH

Industrial-grade 32-bit ARM Cortex-M3 MCU running up to 144MHz with 224KB CodeFlash, 20KB SRAM, dual USB (Host/Device), CAN 2.0B, 2 op-amp/comparators, 12-bit ADC and 4 USARTs.

ARM Cortex-M3 MicrocontrollerQFN-48 7x7mm

CH32F203K8T6

WCH

Industrial-grade 32-bit ARM Cortex-M3 microcontroller running up to 144MHz with dual USB (Host/Device), CAN 2.0B, 2 op-amp/comparators, 12-bit ADC, 4 USARTs and 2 I2Cs.

ARM Cortex-M3 MicrocontrollerLQFP-32 7x7mm

CH32H417

WCH

Dual-core Qingke RISC-V5F (400MHz) and RISC-V3F (150MHz) MCU with USB 3.0/2.0, 10/100M Ethernet MAC+PHY, SerDes, USB PD/Type-C, 960KB flash and 896KB SRAM.

Dual-Core RISC-V Microcontroller

CH32H417MEU6

WCH

Dual-core Qingke RISC-V5F (400MHz) and RISC-V3F (150MHz) MCU with USB 3.0, 100M Ethernet MAC+PHY, SerDes, USB PD/Type-C, dual 12-bit ADC and many communication peripherals, in QFN88 package.

Dual-Core RISC-V MicrocontrollerQFN-88 10x10mm

CH32H417RM

WCH

Dual-core Qingke RISC-V5F (400MHz) and RISC-V3F (150MHz) MCU with integrated USB 3.2 Gen1, 100M Ethernet MAC+PHY, SerDes, Type-C/PD controller, and rich analog and digital peripherals

Dual-Core RISC-V Microcontroller

CH32H417WEU6

WCH

Interconnected general-purpose MCU with dual Qingke RISC-V5F (400MHz) and RISC-V3F (150MHz) cores, integrating USB 3.0/2.0, 10/100M Ethernet MAC+PHY, USB PD/Type-C, ADCs/DACs and rich serial peripherals.

Dual-Core RISC-V MicrocontrollerQFN-68 8x8mm

CH32V003F4U6

WCH

Industrial-grade QingKe RISC-V2A (RV32EC) microcontroller running up to 48MHz with 16KB flash, 2KB SRAM, 10-bit ADC, op-amp/comparator, DMA, timers, USART, I2C and SPI in a QFN20 package.

32-bit RISC-V MicrocontrollerQFN-20(3X3)

CH32V203

WCH

Industrial-grade enhanced low-power general-purpose MCU based on the QingKe V4B RISC-V core running at up to 144MHz, with USB host/device, CAN, dual OPA, dual 12-bit ADC and touch-key detection

32-bit RISC-V Microcontroller

CH32V203C6

WCH

Industrial-grade low-power 32-bit RISC-V (QingKe V4B) general-purpose MCU running up to 144MHz with 32KB flash/10KB SRAM in the C6 variant, USB host/device, CAN, 12-bit ADC, dual OPA, and touch-key

32-bit RISC-V MicrocontrollerLQFP-48 7x7mm

CH32V203C8

WCH

Industrial-grade enhanced low-power general-purpose MCU based on QingKe V4B 32-bit RISC-V core, 144MHz, with 64KB Flash, 20KB SRAM, USB host/device, CAN, 2x 12-bit ADC and dual OPA

32-bit RISC-V Microcontroller

CH32V203C8T6

WCH

The CH32V203C8T6 is an industrial-grade, enhanced low-power general-purpose microcontroller based on a 32-bit RISC-V V4B core, featuring a 144MHz main frequency, 64KB Flash, 2

32-bit RISC-V MicrocontrollerLQFP-48 7x7mm

CH32V203C8U6

WCH

Industrial-grade low-power general-purpose 32-bit RISC-V (QingKe V4B) MCU running at 144MHz with 64KB Flash, 20KB SRAM, USB host/device, CAN, 12-bit ADC and dual OPA.

32-bit RISC-V MicrocontrollerQFN-48 7x7mm

CH32V203F6

WCH

Industrial-grade low-power general-purpose MCU based on QingKe V4B 32-bit RISC-V core running up to 144MHz, with 32KB Flash, 10KB SRAM, USB host/device, CAN, 12-bit ADC and OPAs in a 20-pin package

32-bit RISC-V MicrocontrollerTSSOP-20

CH32V203F8

WCH

Industrial-grade low-power general-purpose 32-bit RISC-V (QingKe V4B) MCU running up to 144MHz with 64KB Flash, 20KB SRAM, USB host/device, CAN, 12-bit ADCs, dual OPA and touch-key detection.

32-bit RISC-V Microcontroller

CH32V203G6

WCH

Industrial-grade low-power general-purpose MCU based on QingKe V4B 32-bit RISC-V core running up to 144MHz, with 32KB Flash, 10KB SRAM, USB host/device, CAN, dual OPA, 12-bit ADC and Touchkey.

32-bit RISC-V MicrocontrollerQFN-28 4x4mm

CH32V203G8

WCH

Industrial-grade general-purpose 32-bit RISC-V (QingKe V4B) MCU with 144MHz main frequency, 64KB Flash, 20KB SRAM, USB host/device, CAN, dual ADC/OPA and touch-key support

32-bit RISC-V Microcontroller

CH32V203K6

WCH

Industrial-grade low-power general-purpose 32-bit QingKe V4B RISC-V MCU with 144MHz CPU, 32KB Flash and 10KB SRAM, dual USB (host/device), CAN, dual OPA, 12-bit ADC and touch-key support

32-bit RISC-V MicrocontrollerLQFP-32 7x7mm