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AS3661 Smartlight Driver

Programmable, 9-channel smartlight LED driver

Features

  • Three independent program execution engines; 9 programmable outputs
  • 8-bit current setting resolution and 12-bit PWM control resolution
  • Adaptive charge pump with 1x and 1.5x gain

Benefits

  • Easy generation of complex differentiating lighting effects
  • Smooth ramps and accurate colors
  • Up to 95% LED drive efficiency

Product parameters

# of Current Sinks 9
Charge Pump [mA] 150
User Memory [kbit] 1.5
Performance Features [RGB Pattern] Yes
- [Dimming] Log / linear
- [Ext. PWM]
- [Ext. Trigger] Yes
- [Audio-In]
- [LED Test] Yes
Package WL-CSP25 (2.29x2.29)-0.4

General Description

The AS3661 is a 9-channel LED driver designed to produce lighting effects for mobile devices. A high efficiency charge pump enables LED driving over full Li-ion battery voltage range. The device is equipped with an internal program memory, which allows operation without processor control.

This product suits for the following applications:

  • Smart watches
  • Mobile phones
  • Battery-powered portable devices

Tools

Title Category Headline Buy
AS3661EvalKit Application Board Evaluation Kit for AS3661

Resources

Name Type Description Language
AS3661_SW000145_1-00.zip Software Eval SW setup English

Technical Documents

Name Type Description Version Language
AS3661_BD000276_1-00.png Block Diagram AS3661 Block Diagram 1-00 English
AS3661_PD000387_1-00.png Other Product Document AS3661EvalKit Image 1-00 English
AS3661_UG000141_1-00.pdf User Guide Evaluation board 1-00 English
AS3661_DS000339_1-00.pdf Datasheet Document version 1-31 1-00 English

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