Datasheet > UP8003AQAG

UP8003AQAG

更新时间： 2024-11-10 01:17:51

品牌	Logo	应用领域
力智 - UPI		电池
页数	文件大小	规格书
15页	381K
描述
Multiple-Input Li-ion Battery Charger

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中文翻译

获取价格

数据手册

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UP8003AQAG 数据手册

uP8003

Multiple-Input Li-ion Battery Charger

in QFN4x4 Package

Features

General Description

The uP8003 is a highly integrated complete battery charger

specifically designed for digital still camera where PCB

area is specially concerned.

Complete Charger for 1-Cell Li-ion Batteries

Integrated Single-Pole-Triple-Throw Power

Multiplexer

Three Power Input Indications

USB Voltage Monitoring

The uP8003 integrates a single-pole-triple-throw power

multiplexer that automatically selectsAC adaptor, Dock or

USB inputs according to default priority. External ORing

diode is not necessary in real application. The USB input

power can be turned off by a USB_OFF control pin. The

uP8003 features open-drain outputs for input power

detection.Avoltage monitoring pin is also available for USB

input.

USB ON/OFF Control

Integrated Pass Element and Current Sensor

No External Blocking Diode Required

1% Voltage Accuracy

Programmable Charge Current up to 1.5A

NTC Interface for Battery Temperature Sensing

Battery Insertion Detection

The uP8003 charges battery with a minimum current when

the battery voltage is lower than 2.8V. The charger works

at constant current mode when the battery voltage is

between 2.8V and 4.2V, the charge current is

programmable up to 1.5Aby an external resistor. The charge

works at constant voltage mode when the battery voltage

is 4.2V. When the input voltage is removed, the uP8003

automatically enters a low quiescent current sleep mode,

dropping the battery drain current to 1uA.

1uA Battery Drain Current when Input Voltage

is Removed

Automatic Trickle Charging of Low Voltage

Cells

Automatic Battery Recharge

RoHS Compliant and Halogen Free

The uP8003 provides a programmable time-out function that

initiates fault alarm if charge cycle is not complete within

the time-out period. The uP8003 features open-drain status

and fault outputs that indicate charge status and fault

conditions respectively.

Pin Configuration

Other features include thermal foldback charge current,

NTC thermistor interface and automatic recharge. The

uP8003 is available in thermal-enhanced and space-saving

VQFN4x4 - 24L package.

2V8

TEMP

18 USB_IREF

17 IREF

16 CHG_PWR

15 DOCK_PWR

14 ADP_PWR

13 USB_PWR

Ordering Information

AGND

WAKE_A

WAKE_B

Order Number

Package

Top Marking

uP8003AG

uP8003AQAG VQFN4x4 - 24L

Note: uPI products are compatible with the current IPC/

JEDEC J-STD-020 requirements. They are halogen-free,

RoHS compliant and 100% matte tin (Sn) plating that are

suitable for use in SnPb or Pb-free soldering processes.

Applications

QFN4X4-24L

Digital Still Camera

Charging Docks and Cradles

USB Powered Chargers

uPI Semiconductor Corp., http://www.upi-semi.com

Rev. P02, File Name: uP8003-DS-P0202

12 3 4 5 6 7...15

中文翻译

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