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A4059MP8VR 参数 Datasheet PDF下载

A4059MP8VR图片预览
型号: A4059MP8VR
PDF下载: 下载PDF文件 查看货源
内容描述: [BATTERY MANAGEMENT STANDALONE LINEAR LI-ION BATTERY CHARGER]
分类和应用:
文件页数/大小: 12 页 / 317 K
品牌: AITSEMI [ AiT Semiconductor ]
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A4059  
BATTERY MANAGEMENT  
AiT Semiconductor Inc.  
www.ait-ic.com  
STANDALONE LINEAR LI-ION BATTERY CHARGER  
WITH THERMAL REGULATION  
Pin #  
5
Symbol  
BAT  
Function  
Make the battery's positive terminal connected to this pin. When the power supply  
voltage lower than the threshold latch voltage or sleep mode voltage, BAT pin  
current is less than 2μA. BAT pin provide the battery charge current and constant  
voltage charging voltage.  
When charging end, DONE pin is pulled low by internal switch represents that  
charge has ended; otherwise DONE pin is high impedance state.  
6
7
DONE  
CHRG  
When the charger to the battery charging, CHRG pin is pulled low by the internal  
switch, represents charging being; otherwise CHRG pin is in high impedance state.  
This pin can test Kelvin battery voltage, and thus precisely modulated constant  
voltage battery charging voltage, avoiding the positive from the battery to the BAT  
pin A4059 or contact resistance between the resistance wire and other parasitic  
resistance of the charge. If the FB pin and the BAT pin is an indirect one resistor,  
users can adjust the constant charging voltage.  
8
FB  
ABSOLUTE MAXIMUM RATINGS  
VCC, Input Supply Voltage  
VPROG, ISET pin Voltage  
VBAT, BAT pin Voltage  
VSS-0.3VVSS+7V  
VSS-0.3VVcc+0.3V  
Vss-0.3V6V  
VSS-0.3VVSS+7V  
VSS-0.3VVSS+7V  
1500mA  
VDONE, DONE pin Voltage  
VCHRG, CHAG pin Voltage  
IBAT, BAT pin Current  
IPROG, ISET pin Current  
1500μA  
TOPA, Operating Ambient Temperature  
-40°C~+85°C  
-65°C~+125°C  
TSTR, Storage Temperature  
Stress beyond above listed ꢀAbsolute Maximum Ratingsꢁ may lead permanent damage to the device. These are stress ratings only and  
operations of the device at these or any other conditions beyond those indicated in the operational sections of the specifications are not  
implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.  
REV1.0 - OCT 2013 RELEASED -  
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