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CH9101N AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

CH9101N product

CH9101N

Interface - Specialized

USB to UARTWCHSOP8

The CH9101N is a compact USB-to-UART bridge chip in an SOP8 package, ideal for adding serial connectivity to microcontrollers or upgrading legacy serial devices to USB.

Best for

  • USB-to-Serial conversion
  • MCU communication

Avoid if

  • Custom VID/PID requirements (use CH9101U/H/Y/R instead)

Check before use

  • USB D+/D- trace routing

Key specifications

Baud Rate
50bps - 3Mbps
Package
SOP8
I/O Voltage
1.8V - 5V

Compliance & Environment

RoHS
RoHS Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General Connectivity

Datasheet

355313eb00720b1350352ed198fad0fa_2403131113_WCH-Jiangsu-Qin-Heng-CH9101N_C5187518.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for CH9101N: 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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Login required · CAD models billed separately as an add-on

Alternative components

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

Design and risk insights

Questions & answers

The CH9101N is a USB-to-asynchronous serial UART bridge chip designed by WCH, featuring an integrated USB 2.0 full-speed controller and internal clock.