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FM5325E

Description
Mobile power management IC
CategoryPower/power management    Battery power management chip   
File Size777KB,15 Pages
ManufacturerFine Made Electronics Group Co., Ltd.
Websitehttp://www.superchip.cn/index.aspx
Shenzhen Fuman Electronics Group Co., Ltd. was founded in 2001. It is a national high-tech enterprise engaged in the design, development, packaging, testing and sales of high-performance analog and mixed-signal integrated circuits. It currently has more than 400 IC products in the consumer field, including power management, LED driver, MOSFET, etc.
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Mobile power management IC

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此文档权利由FM富满享有,您也可访问FM富满官方½站获取;立创商城 WWW.SZLCSC.COM,中½领先的现货元器件交易平台。
深圳市富满电子集团股½有限公司
FM5325E
(文件编号:S&CIC1532)
概述
FM5325E
是一款应用于移动电源,集成了锂电池充电管理,USB 升压输出,电池电量判断和
LED
指示的
集成电源管理
IC。
FM5325E
是以开关方式进行充电,集成了包括涓流充电,恒流充电和恒压充电全过程的充电方式,浮充电
压精度在全温度范围可达±1%,并且具有充电电流纹波小,充电效率高等优点。
FM5325E
DC-DC
升压可达到±1%的精度,
可以提供高达
90%以上的升压½换效率,
延长电池½用时间。
FM5325E
配½了
3
LED
驱动端口,可驱动
4
LED
显示电池电量,芯片内½逻辑锁定功½,防止电量
指示的状态不稳。
FM5325E
集成的电池容量库仑计和
I2C
接口。MCU 无需集成
ADC
即可通过
I2C
访问芯片内部的
12bit
池容量数据和其它数据,并驱动
LED/LCD
按百分比显示电池剩½容量或显示成其它方式。
FM5325E
实现
2.4A
输出,并且支持库仑计功½。
FM5325E
具有多重保护设计,包括负½½过流保护,½启动保护,输入过压保护,输出短路保护,芯片温度
保护,电池温度保护等。同时芯片端口设计了高性½的
ESD
保护电路,½得该款芯片具有极高的可靠性。
FM5325E
目前提供
ESOP-16
的封装½式。
SHEN ZHEN FINE MADE ELECTRONICS GROUP CO., LTD.
移动电源管理
IC
特点
外围电路简单,无需外部
MOS
可编程充电电流,最大实现
3.0A@5V
快速充电
可编程输出限流,可以实现
2.4A@5V
放电
集成
12bit
可编程容量的库仑计
可支持与
MCU
I2C
通信
½待机电流,小于
70uA
可编程充饱电压,充电浮充电压精度±0.5%
充放电½启动功½
涓流/恒流/恒压三段式充电
加速充饱功½,减小恒压阶段充电时间
输出线补功½
高效同步开关充电及同步开关升压输出
输入电源掉电电池自动升压供电
整½方案升压最高效率可达
93%@2.4A
USB
输出过流,短路,过压保护
按键/自动检测手机功½
空½½检测关断功½
4
灯电量显示方式
ESOP-16
封装
应用
移动电源
www.superchip.cn
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