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NCP1835BMNR2 PDF预览

NCP1835BMNR2

更新时间： 2024-11-25 21:55:43
品牌 Logo 应用领域
安森美 - ONSEMI 电池
页数 文件大小 规格书
14页 104K
描述
Integrated Li−Ion Charger

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NCP1835BMNR2 数据手册

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NCP1835B  
Integrated Li−Ion Charger  
NCP1835B is an integrated linear charger specifically designed to  
charge 1−cell Li−Ion batteries with a constant current, constant  
voltage (CCCV) profile.  
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 NCP1835B can charge from a standard wall adapter or  
from the USB port. It has been optimized to charge low capacity  
batteries such as those found in wireless headsets and flash  
memory−based MP3 players. It’s recommended charge current rate  
is 30−300 mA.  
http://onsemi.com  
MARKING  
DIAGRAM  
1
1835B  
ALYW  
Features  
1
• Integrated Voltage and Current Regulation  
• No External MOSFET, Sense Resistor or Blocking Diode Required  
• Charge Current Thermal Foldback  
DFN 3x3  
MN SUFFIX  
CASE 485C  
• Integrated Pre−charge Current for Conditioning a Deeply  
1835B = Device Code  
A
L
Y
W
= Assembly Location  
= Wafer Lot  
= Year  
Discharged Battery  
• Integrated End−of−Charge (EOC) Detection  
• 1% Voltage Regulation  
= Work Week  
• 4.2 V Regulated Output Voltage  
• Regulation Maintained without a Battery Present  
• Programmable Full Charge Current  
PIN CONNECTIONS  
• Open−Drain Charger Status and Fault Alert Flags  
V
CC  
1
BAT  
10  
• 2.8 V Output for AC Present Indication and Powering Charging  
FAULT  
2
3
4
5
VSNS  
9
8
7
6
Subsystems  
• Minimum Input Voltage of 2.4 V Allows Use of Current Limited  
Adapters  
DFN 3x3  
CFLG  
ISEL  
TIMER  
V2P8  
• Automatically Recharging if Battery Voltage Drops after Charging  
GND  
EN  
Cycle is Completed  
• Low Profile 3x3 mm DFN Package  
• Pb−Free Package is Available  
(Top View)  
Typical Applications  
• Wireless Headsets  
• MP3 Players  
ORDERING INFORMATION  
†
Package  
Device  
Shipping  
DFN−10  
NCP1835BMNR2  
NCP1835BMNR2G  
3000 Units/Reel  
3000 Units/Reel  
• USB Appliances  
• Battery Operated Devices  
DFN−10  
(Pb−Free)  
†For information on tape and reel specifications,  
including part orientation and tape sizes, please  
refer to our Tape and Reel Packaging Specification  
Brochure, BRD8011/D.  
©
Semiconductor Components Industries, LLC, 2005  
1
Publication Order Number:  
June, 2005 − Rev. 0  
NCP1835B/D  
1234567...14

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