ADP5063ACPZ-1-R7 datasheet(16/44 Pages) AD

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ADP5063

Data Sheet

Rev. 0 | Page 16 of 44

INTRODUCTION

The ADP5063 is a fully programmable I2C charger for single

cell lithium ion or lithium polymer batteries, suitable for a wide

range of portable applications.

The linear charger architecture enables up to 2.1 A output

current at 4.3 V to 5.0 V (I2C programmable) on the system

power supply, and up to 1.3 A of charge current into the battery

from a dedicated charger.

The ADP5063 operates from an input voltage of 4 V up to 6.7 V

but is tolerant of voltages of up to 20 V. The 20 V voltage tolerance

alleviates the concerns of the USB bus spiking during discon-

nection or connection scenarios.

The ADP5063 features an internal FET between the linear charger

output and the battery. This feature permits battery isolation and,

therefore, system powering under a dead battery or no battery

scenario, which allows immediate system function upon

connection to a USB power supply.

The ADP5063 is fully compliant with USB 3.0 and the USB Battery

Charging 1.2 Compliance Plan Specification. The ADP5063 is

chargeable via the mini USB VBUS pin from a wall charger, car

charger, or USB host port. Based on the type of USB source, which

is detected by an external USB detection device, the ADP5063

can be set to apply the correct current limit for optimal charging

and USB compliance. The USB charger permits correct oper-

ation under all USB compliant sources such as wall chargers,

host chargers, hub chargers, and standard host and hubs.

A processor can control the USB charger using the I2C interface to

program the charging current and numerous other parameters,

including

•

Trickle charge current level

•

Trickle charge voltage threshold

•

Weak charge (constant current) current level

•

Fast charge (constant current) current level

•

Fast charge (constant voltage) voltage level

•

Fast charge safety timer period

•

Watchdog safety timer parameters

•

Weak battery threshold detection

•

Charging complete threshold

•

Recharge threshold

•

Charging enable/disable

•

Battery pack temperature detection and automatic

charger shutdown

ADP5063ACPZ-1-R7 数据表(PDF) 16 Page - Analog Devices

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