CH9328 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

CH9328 product

CH9328

Resonators

UART to HIDUSB BridgeWCH

The CH9328 is a specialized UART-to-HID keyboard bridge chip designed to interface serial devices with computers as standard USB keyboards.

Best for

  • Serial-to-USB keyboard conversion
  • Custom HID input devices

Avoid if

  • High-speed data transfer needs beyond HID keyboard class

Check before use

  • Operating mode pin configuration

Key specifications

Supply Voltage
3.3V / 5V
Interface
USB 2.0 Full-Speed
Package
SOP-16

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Consumer Electronics

CAD Models

Download ECAD models for CH9328: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

Real-time and catalog pricing from verified distributors

Alternative components

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

Design and risk insights

Questions & answers

It is a dedicated chip that converts serial UART data into USB HID keyboard signals, allowing serial devices to act as keyboards.