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IS31FL3238 - 18-CHANNEL LED DRIVER

Datasheet Summary

Description

IS31FL3238 is an LED driver with 18 constant current channels.

Each channel can be pulse width modulated (PWM) by 16 bits for smooth LED brightness control.

Features

  • 2.7V to 5.5V VCC supply.
  • 1MHz I2C interface, automatic address increment function with readout function.
  • Four selectable I2C addresses.
  • Accurate color rendition - Selectable 16-bit PWM 256/1024/4096/65536 - 8-bit dot correction - 8-bit global current adjust.
  • Open/Short detect function.
  • 62kHz PWM frequency (8-bit PWM).
  • Temperature detect function.
  • EMI/noise reduction technology - Spread spectrum - Selectable 6 phase delay - 180 degree phase delay.
  • -40.

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Datasheet preview – IS31FL3238

Datasheet Details

Part number IS31FL3238
Manufacturer Lumissil
File Size 445.30 KB
Description 18-CHANNEL LED DRIVER
Datasheet download datasheet IS31FL3238 Datasheet
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IS31FL3238 18-CHANNEL LED DRIVER GENERAL DESCRIPTION IS31FL3238 is an LED driver with 18 constant current channels. Each channel can be pulse width modulated (PWM) by 16 bits for smooth LED brightness control. In addition, each channel has an 8-bit output current control register which allows fine tuning the current for rich RGB color mixing, e.g., a pure white color LED application. The maximum output current of each channel is designed to be 78mA, which can be adjusted by one 8-bit global control register. Proprietary programmable algorithms are used in IS31FL3238 to minimize audible noise caused by the MLCC decoupling capacitor. All registers can be programmed via a high speed I2C (1MHz).
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