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USB-2UARTAI8H2K12U-V1.1 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

USB-2UARTAI8H2K12U-V1.1 product

USB-2UARTAI8H2K12U-V1.1

Component

USB-to-UARTdual UARTAI8H2K12UISP programming3.3 V5 Vtarget power switching

USB-2UART AI8H2K12U-V1.1 is an STC dual-UART USB interface module with selectable 3.3 V or 5 V supply and target-power switching intended for communication and ISP programming.

Best for

  • Dual-UART debugging
  • STC ISP programming setups
  • Development fixtures requiring target power cycling

Avoid if

  • A documented industrial qualification is required
  • Exact mechanical dimensions or certified compliance data are mandatory

Check before use

  • Verify the voltage-selection jumper
  • Confirm target current demand before using S-VCC
  • Validate UART signal routing and ground connection

Key specifications

Interface
USB to dual UART
Maximum baud rate
10 Mbps
Supply selection
3.3 V or 5 V
Target power control
Automatic and manual switching

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Serial communication and debuggingMCU ISP programming fixtures

Datasheet

C46594611.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for USB-2UARTAI8H2K12U-V1.1: 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

It is an STC USB-to-dual-UART module based on the AI8H2K12U controller. The module provides two serial communication channels and supports automatic target power cycling for ISP programming.