Table of Content

1. 概述........................................................................................................................................................................................2

2. 应用领域................................................................................................................................................................................2

3. 规格........................................................................................................................................................................................2

4. 功能框图................................................................................................................................................................................3

5. 引脚定义及功能描述............................................................................................................................................................4

5.1 引脚定义......................................................................................................................................................................4

5.2 引脚描述......................................................................................................................................................................4

6. 极限参数................................................................................................................................................................................5

7. 推荐参数................................................................................................................................................................................5

8. 电气特性................................................................................................................................................................................6

9. 功能描述................................................................................................................................................................................8

9.1 充电模式......................................................................................................................................................................8

9.2 升压模式......................................................................................................................................................................

9.3 BC1.2 功能.....................................................................................................................................................................9

9.4 电量指示灯..................................................................................................................................................................

9.5 照明驱动....................................................................................................................................................................11

9.6 按键............................................................................................................................................................................11

9.7 单线接口....................................................................................................................................................................12

10. 典型应用电路图................................................................................................................................................................14

11. 寄存器列表........................................................................................................................................................................15

11.1 REG01: 状态寄存器................................................................................................................................................. 15

11.2 REG03: 电源设置以及接口状态.............................................................................................................................15

11.3 REG04: 充电和电池电压.........................................................................................................................................15

11.4 REG11: 升压输出电压设置.....................................................................................................................................16

12. 机械尺寸............................................................................................................................................................................17

12.1 封装图......................................................................................................................................................................17

12.2 封装尺寸..................................................................................................................................................................17

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HM5927