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CH422G AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

CH422G product

CH422G

Display Drivers

LED DriverI/O ExpanderWCH

The CH422G is a specialized driver chip for LED nixie tubes and I/O expansion, ideal for space-constrained designs requiring serial control.

Best for

  • LED display control
  • I/O pin expansion

Avoid if

  • High-speed data processing requirements

Check before use

  • Power supply decoupling
  • PCB trace thickness

Key specifications

Supply Voltage
3-5V
Interface
Two-wire Serial
Package
SOP16

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Consumer ElectronicsIndustrial Displays

CAD Models

Download ECAD models for CH422G: 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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Alternative components

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

Design and risk insights

Questions & answers

The CH422G is a WCH-manufactured integrated circuit that functions as both a dynamic LED nixie tube display driver and an I/O expansion chip.