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CH9120 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

CH9120 product

CH9120

Interface - Controllers

Ethernet BridgeUARTTCP/IPWCH

The CH9120 is a compact, integrated network-to-UART bridge chip ideal for adding Ethernet connectivity to embedded devices without complex protocol stack development.

Best for

  • Industrial serial-to-Ethernet conversion
  • Embedded IoT connectivity

Avoid if

  • High-speed Ethernet requirements (>10Mbps)
  • 5V logic systems without level shifting

Check before use

  • Configuration parameters via serial commands
  • Network cable disconnection handling

Key specifications

Baud Rate
300bps - 921600bps
Ethernet
10M Full/Half Duplex
Supply Voltage
3.3V
Package
QFN28 (4x4mm)

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Industrial AutomationConnectivity

Datasheet

6b1886a4a136ff01c7237a808714a6fa.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for CH9120: 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

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

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

Design and risk insights

Questions & answers

The CH9120 is a transparent transmission chip that bridges Ethernet network data and UART serial data, featuring an integrated TCP/IP stack.