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TM1903 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

TM1903 product

TM1903

PMIC - LED Drivers

LED DriverConstant CurrentSingle-wire

The TM1903 is a 3-channel constant current LED driver designed for single-wire serial control in decorative lighting applications.

Best for

  • LED decorative lighting
  • Point light sources

Avoid if

  • Applications requiring high-speed data beyond 800KHz

Check before use

  • Supply voltage configuration and series resistor selection

Key specifications

Channels
3
Output Current
14 mA
PWM Levels
256
Data Rate
800 KHz

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

LED Lighting

CAD Models

Download ECAD models for TM1903: 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 TM1903 is a dedicated 3-channel constant current LED driver circuit featuring a single-wire digital interface for cascading and 256-level PWM brightness control.