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EMQ8931 - 3-Channel Power Management IC

Description

The EMQ8931 is a high efficiency, 3-channel power management IC for portable devices application.

It integrates a complete linear charger for single cell lithium-ion battery, a linear regulator and a high efficiency step-down DC/DC converter.

Features

  • ultra-high power supply rejection ratio (75dB at 1kHz), low output voltage noise (30µV), low dropout voltage (180mV), low quiescent current (110µA) and fast transient response. It operates from 2.5V to 5.5V input voltage, up to 300mA loading capability and regulates adjustable output voltage from 1.2V to 5.0V. accuracy ＊ ＊ ＊ ＊ ＊ ＊ Automatic recharge Charge status indicator C/10 charge termination Battery reverse leakage current less than 1µA 45µA shutdown supply current Soft-start limits inrush.

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Datasheet preview – EMQ8931

Datasheet Details

Part number EMQ8931
Manufacturer Elite MicroPower
File Size 1.23 MB
Description 3-Channel Power Management IC
Datasheet download datasheet EMQ8931 Datasheet
Additional preview pages of the EMQ8931 datasheet.

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    Full PDF Text Transcription

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    Preliminary Elite MicroPower Inc. EMQ8931 3-Channel Power Management IC For Portable Devices GENERAL DESCRIPTION The EMQ8931 is a high efficiency, 3-channel power management IC for portable devices application. It integrates a complete linear charger for single cell lithium-ion battery, a linear regulator and a high efficiency step-down DC/DC converter. The linear charger (CH1) operates from 4.25V to 5.5V input voltage and up to 1A charging capability. It is thermal regulated and specifically designed to work within USB power specifications. The linear regulator (CH2) features ultra-high power supply rejection ratio (75dB at 1kHz), low output voltage noise (30µV), low dropout voltage (180mV), low quiescent current (110µA) and fast transient response. It operates from 2.5V to 5.
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