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IS31FL3731-QFLS2-TR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

IS31FL3731-QFLS2-TR product

IS31FL3731-QFLS2-TR

LED Drivers

LED DriverI2CMatrix

The IS31FL3731 is a compact 144-LED matrix driver with I2C control, ideal for animation and audio-modulated lighting in portable devices.

Best for

  • Mobile LED displays
  • Hand-held device indicators
  • Home appliance lighting

Avoid if

  • Applications requiring high-power LED driving beyond 34mA per channel

Check before use

  • EMI considerations near antennas
  • REXT resistor value for target current

Key specifications

Max LEDs
144
Interface
I2C (400kHz)
Supply Voltage
2.7V to 5.5V
Dimming
8-bit (256 steps)

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
3 (168 Hours)
ECCN
EAR99
HTSUS
8542.39.0001

Application

Consumer ElectronicsHome Appliances

Datasheet

DSAISSI100046.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for IS31FL3731-QFLS2-TR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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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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Where to Buy

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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

It is a compact LED driver capable of controlling 144 individual LEDs using a cross-plexing technique, reducing the required pin count to 18.