AN3090 datasheet, PDF - EEWORLD Datasheet

AN3090: DescriptionPower saving and LED status detection using the STP16DPPS05 device; File Size1MB，19 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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AN3090 Overview

Power saving and LED status detection using the STP16DPPS05 device

AN3090

Application note

Power saving and LED status detection

using the STP16DPPS05 device

Introduction

Today, the use of LEDs is growing in many market segments, including portable

applications, due to their improving performance and lower cost.

This new scenario requires that LED drivers be capable of providing good performance at

low current, and include power saving capabilities.To address these requirements,

STMicroelectronics has introduced the STP16xPPx05 family of LED drivers.

This application note describes the STP16DPPS05 low voltage 16-bit constant current LED

sink driver, with particular focus on two important features: output error detection and auto

power-saving.

December 2009

Doc ID 16496 Rev 1

1/19

www.st.com

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