CH9102X Datasheet, Specs, Alternatives & ECAD | WCH | PartGenie

AI summary

CH9102X product

The CH9102X is a high-performance USB-to-UART bridge chip from WCH, ideal for adding serial connectivity to embedded systems without external crystals.

Best for

USB-to-Serial adapters
MCU firmware updates
Industrial serial communication

Avoid if

Applications requiring USB 3.0 speeds
Designs where board space is extremely limited for decoupling capacitors

Check before use

Ensure VIO and V3 power pins are configured according to the target MCU voltage levels.

Key specifications

Baud Rate: 50bps - 4Mbps
Package: QFN28
USB Compatibility: USB 2.0 Full-Speed

Compliance & Environment

RoHS: Compliant
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

GeneralConnectivity

Datasheet

13c7c48cc1df9b5c280464f23ac554bb_2403131113_WCH-Jiangsu-Qin-Heng-CH9102X_C5187522.pdf

800 KB

CAD Models

Download ECAD models for CH9102X: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol

Schematic symbol for your EDA tool

PCB Footprint

Land pattern for PCB layout

3D Model

STEP file for mechanical design

KiCad Library

Verified KiCad 8 symbol, footprint, and 3D model

Generate library

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The CH9102X is a USB bus bridge chip that converts USB signals to asynchronous serial (UART) signals, supporting baud rates up to 4Mbps.