select language Products Applications Services About Search Products Applications Services About Interface ICs USB ICs Bluetooth ICs Ethernet ICs Other ICs MCU/SoC RISC-V general RISC-V featured application RISC-V Bluetooth wireless RISC-V enhanced low power Cortex-M general 8-bit microcontroller About QingKe core Featured Topics RISC-V product overview USB product index Interface conversion experts Type-C application product Wireless charging product Bluetooth & Module selection Motor control product Dedicated Feature Index MCU selection USB to serial ICs selection Home/Products/Interface ICs/USB ICs Overview Based on USB, Type-C and PD technology, Qinheng provides a rich product line of physical layer, controllers, HUBs, bridge chips (cross-interface communication and interface conversion), etc. The USB chips are equipped with kernel drivers under various operating systems, covering various application scenarios such as USB SuperSpeed, High-Speed, Full-Speed and Low-Speed data transmission, Type-C connection, USB PD power transmission, etc. and combined application scenarios of USB SuperSpeed, high-speed communication and PD high power transmission (PDUSB). communication + PD high power transmission (PDUSB) and other combined application scenarios. Lineup More USB -> Selection USB to JTAG/FIFO/SPIUSB to UARTUSB HUBUSB PD/Type-CUSB NICMCU extended USBUSB K& MUSB PHYExtension/IsolationUSB dedicated MCU 480Mbps High-speed Device High-speed USB adapter chip, realize USB to passive parallel port FIFO, USB to passive SPI, USB to GPIO and other functions, FIFO parallel port transmission up to 30M bytes / sec or more, SPI interface support for the highest frequency of 40MHz, can be used with the FPGA/CPU/MCU and other devices for high-speed data transmission and acquisition and so on. Built-in/External -40~+85℃ QFN26C3 480Mbps High-speed Device High-speed USB adapter chip, realizes USB to active SPI, USB to I2C host, USB to JTAG host, etc. SPI and JTAG interfaces support the highest frequency of 60MHz, and I2C interface supports the highest frequency of 1MHz, which can be used for CPU debugger, FPGA downloader, programmer, etc. External -40~+85℃ TSSOP20 480Mbps High-speed Device High-speed USB adapter chip, realize USB to passive SPI, USB to GPIO and other functions, SPI interface support the highest frequency of 40MHz, can be used with FPGA/CPU/MCU and other devices for high-speed data transmission and acquisition. Built-in/External -40~+85℃ LQFP48 480Mbps High-speed Device USB2.0 high-speed card reader control chip, support SD card, MMC card and SPI interface FLASH chip. Built-in 3-port HUB, support serial port recorder mode, real-time save serial port transmission data External -40~+85℃ QFN28 2.0 Full-speed Device USB bus adapter chip to realize USB to print port Built-in:CH340H External:CH340S -20~+70℃ -40~+85℃ SOP28 2.0 Full-speed Device USB bus adapter chip, realize USB to print port, parallel port, I2C, SPI, GPIO, etc. Built-in:CH341B/F/C External:CH341B/F/C/A/T/H -20~+70℃ -40~+85℃ QFN28/SSOP20/SOP28 2.0 Full-speed Host Android AOA communication control chip, realize Android USB to serial port, I2C, SPI, GPIO, PWM, etc., support manufacturer information customization External -40~+85℃ SOP16/LQFP48 2.0 Full-speed Device USB to MIDI chip, supports MIDI in and out External -40~+85℃ SSOP20 2.0 Full-speed Device Small capacity USB flash drive control chip, external EEPROM to realize small capacity USB flash drive, support USB flash drive information customization External -30~+80℃ SSOP20 CH346 CH347 CH9111 CH377 CH340 CH341 CH9343 CH345 CH331 Note: ①: CH346, CH347, CH9111, CH340 and CH341 can be used for USB to serial port, the information is shown in the table 'USB to Serial Chip'.