WS2801S AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

WS2801S product

WS2801S

PMIC - LED Drivers

LED DriverConstant CurrentPWM

The WS2801S is a 3-channel constant current LED driver with integrated PWM control, suitable for cascaded LED display and decorative lighting applications.

Best for

  • Cascaded LED lighting systems
  • Low-cost LED displays

Avoid if

  • High-power applications without external switching transistors

Check before use

  • Power supply voltage limits
  • Resistor values for current setting

Key specifications

Channels
3
Supply Voltage
3.3V - 5.5V
Max Clock
25MHz

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

LED Lighting

CAD Models

Download ECAD models for WS2801S: 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 WS2801S is a 3-channel constant current LED driver that supports both constant current and constant voltage modes, featuring programmable PWM outputs for 256-level gray scale control.