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LP55231 Datasheet - Texas Instruments

LP55231-etcTI.pdf

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Datasheet Details

Part number:

LP55231

Manufacturer:

Texas Instruments ↗

File Size:

1.63 MB

Description:

9-channel led driver.

LP55231, 9-channel LED driver

The LP55231 is a 9-channel LED driver designed to produce lighting effects for mobile devices.

A highefficiency 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.

The LP5523

LP55231 Features

* 1 Three Independent Program Execution Engines, 9 Programmable Outputs With 25.5-mA Full-Scale Current, 8-Bit Current Setting Resolution and 12-Bit PWM Control Resolution

* Adaptive High-Efficiency 1×/1.5× Fractional Charge Pump - Efficiency up to 94%

* LED Drive Efficiency U

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