Datasheet > NCP1835_0603

NCP1835_0603

更新时间： 2024-11-23 04:37:55

品牌	Logo	应用领域
安森美 - ONSEMI		电池
页数	文件大小	规格书
16页	153K
描述
Integrated Li−Ion Charger

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NCP1835_0603 数据手册

NCP1835

Integrated Li−Ion Charger

NCP1835 is an integrated linear charger specifically designed to

charge 1−cell Li−Ion batteries with a constant current, constant

voltage (CCCV) profile. It can charge at currents of up to 1.0 A.

Its low input voltage capability, adjustable charge current, ability

to maintain regulation without a battery, and its onboard thermal

foldback make it versatile enough to charge from a variety of wall

adapters. The NCP1835 can charge from a standard voltage−source

wall adapter as a CCCV charger, or from a current limited adapter to

limit power dissipation in the pass device.

http://onsemi.com

MARKING

DIAGRAMS

Features

1835

4200

ALYWG

• Integrated Voltage and Current Regulation

• No External MOSFET, Sense Resistor or Blocking Diode Required

• Charge Current Thermal Foldback

• Integrated Pre−charge Current for Conditioning Deeply Discharged

Battery

DFN 3x3

• Integrated End−of−Charge (EOC) Detection

• 1% Voltage Regulation

MN SUFFIX

CASE 485C

1835

4242

ALYWG

• 4.2 V or 4.242 V Regulated Output Voltage

• Regulation Maintained without a Battery Present

• Programmable Full Charge Current 300 − 1000 mA

• Open−Drain Charger Status and Fault Alert Flags

1835 = Device Code

4200 = 4.2 V

4242 = 4.242 V

• 2.8 V Output for AC Present Indication and Powering Charging

Subsystems

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

• Minimum Input Voltage of 2.4 V Allows Use of Current Limited

Adapters

• Automatically Recharging if Battery Voltage Drops after Charging

Cycle is Completed

(Note: Microdot may be in either location)

• Low Profile 3x3 mm DFN Package

• Pb−Free Packages are Available

Typical Applications

• Cellular Phones

PIN CONNECTIONS

• PDAs, MP3 Players

• Stand−Alone Chargers

• Battery Operated Devices

BAT

FAULT

VSNS

DFN 3x3

CFLG

ISEL

TIMER

V2P8

GND

(Top View)

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 15 of this data sheet.

Semiconductor Components Industries, LLC, 2006

Publication Order Number:

May, 2006 − Rev. 4

NCP1835/D

12 3 4 5 6 7...16

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