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HT4932S Datasheet(PDF) 1 Page - Hotchip Technology Co.,Ltd

Part # HT4932S
Description  Highly integrated and minimal peripheral components
PDF  8 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

HT4932S Datasheet(HTML) 1 Page - Hotchip Technology Co.,Ltd

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HT4932S
Ver1.1
1/8
移动电源管理方案
www.hotchip.com.cn
典型应用电路图
USB IN
VCC
D-
D+
GND
1
2
3
4
U1
C1
4.7uF
1
2
3
4
13
14
15
16
LX
KEY
PROG
L4
L4-
TRIM
CS
DPDN
C3
10uF
HT4932
C2
22uF
L1
2.2uH
R1
1.2K
B-
B+
Battery
2
1
USB-OUT
1
2
3
4
5
6
VCC
D-
D+
GND
FGND1
FGND2
VOUT
R10
1R
5
6
7
8
9
10
11
12
L2
L1
LED
L3
GND
STB
BTP
VDD
R3
24K
R2L
NC
R2H
NC
LED1
LED2
LED3
LED4
LED5
SW1
产品概述
HT4932S 是一款目前世界上集成度最高的
移动电源管理芯片,它集成了充电管理模块、
LED 指示模块、升压放电管理模块,只需用很
少的元件,就可以组成市面上功能最强的移动
电源。
主要特点
◆ 高度集成,极少的外围元器件;
◆ 内置最大 1A 线性充电模式,充电电流外部
可调;
◆ 涓流/恒流/恒压三段式充电,恒定电压
4.22V,支持对 0V 电池充电;
◆ 内置充电能根据温升自动降低充电电流,
120 度开始下降,最低可降至 0;
◆ 升压使用同步整流电路,效率最高 91%,
发热低,固定 5.1V 输出,不需要外部电阻
设置;
◆ 最大输出电流高达 1.5A(BAT=3.6V),最大
放电电流可调;
◆ 具有恒功率输出功能,有完整的过流,短
路保护,内置温度保护过温自动停止升压;
◆ 负载插入自动启动升压,负载移除自动休
眠;
◆ 四灯指示方式,且放电的过程的指示灯阈
值可以微调,能适应不同的电池的放电曲
线;
◆ 电池低压提醒功能;
◆ 具有一个设置苹果 D+,D-分压电阻设置端
◆ 支持强光,弱光,暴闪,SOS 四种手电灯
模式,并支持外扩驱动大电流 LED 灯
◆ 固定开关频率 1MHZ;
◆ 电池过充、过放保护;
◆ 4KV ESD;
◆ SOP16 封装
典型应用
◆ 移动电源
◆ 各种备用电源
◆ 蓝牙音箱


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