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HT4906 Datasheet(PDF) 9 Page - Hotchip Technology Co.,Ltd

Part # HT4906
Description  Li-ion Battery Charger
PDF  11 Pages
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Manufacturer  HOTCHIP [Hotchip Technology Co.,Ltd]
Direct Link  http://www.hotchip.com.cn/English/Index/index.html
Logo HOTCHIP - Hotchip Technology Co.,Ltd

HT4906 Datasheet(HTML) 9 Page - Hotchip Technology Co.,Ltd

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HT4906
9
3.7<Vbat<3.95V
L1
L2
L3
L4
T
3.95<Vbat<4.25V
 升压模块:
1、内部基准 1.25V, 输出电压可调
2、过流或短路自动关闭 Boost
3、驱动外部 POWER-MOS, 输出最大电流值可调
4、开关频率 500KHz
5、高达 90%的转换效率
6、输入电压范围:3-5V
7、检测负载电流<50mA 后延时 30 秒进入待机模式, 待机电流<20uA
8、软启动功能;
9、手机插拔自动识别升压功能;
10、处于充电态时,若负载端有手机接入,则在前级 AC 掉电时,自动启动升压系统为手机充电
 过温保护功能
 内置 LED 手电筒驱动:手电筒功能在充电或者升压阶段都有效
 按键功能:
1、 短按按键一下从待机状态唤醒,启动升压,对内置电池电量检测;若无负载或轻载则电量显示 30S
后关闭;
2、 连续按按键 2 下(见示意图)打开或者关闭 LED 手电功能,



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