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HM8256 Datasheet(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM8256
Description  3/4/5 lithium battery pack protection chip
PDF  25 Pages
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Manufacturer  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Direct Link  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM8256 Datasheet(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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HM8256
管脚定义
辅控芯片
(MS = 0):过充电迟滞解除信息接收管脚
辅控芯片
(MS = 0):过放电迟滞释放信号及唤醒信号接收管脚
SEL1 = 1,SEL0 = 0:HM8256监控4串电芯
总计
24个管脚。
4
管脚号
管脚名
I/O
功能描述
1
CTLC
I
充电
MOS控制管脚 (优先级高于芯片内部保护电路)
2
CTLD
I
放电
MOS控制管脚 (优先级高于芯片内部保护电路)
3
CHSE
I
主控芯片
(MS = 1):充电器检测管脚
4
BALO
O
过放电迟滞释放信号及唤醒信号输出管脚
5
VM
I
负载检测管脚
6
CHG
O
充电
MOS控制管脚 (开漏输出)
7
DSG
O
放电
MOS控制管脚
8
DSD
O
过放电保护延时设置电容连接管脚
9
CHD
O
过充电保护延时设置电容连接管脚
10
CDC
O
充放电过流
1保护延时设置电容连接管脚
11
SENS
I
电流检测管脚
12
BALI
I/O
主控芯片
(MS = 1):过充电迟滞信号传递管脚
13
TEMP0
O
温度电阻连接管脚
14
TEMP1
15
MS
I
主控芯片
/辅控芯片选择管脚
16
SEL0
I
SEL1 = 0,SEL0 = 0:HM8256监控5串电芯
SEL1 = 1,SEL0 = 1:HM8256监控3串电芯
17
SEL1
18
GND
P
地线连接管脚,连接第
5节电芯的负极
19
VC5
I
电芯连接管脚,连接第
5节电芯的正极和第4节电芯负极
20
VC4
I
电芯连接管脚,连接第
4节电芯的正极和第3节电芯负极
21
VC3
I
电芯连接管脚,连接第
3节电芯的正极和第2节电芯负极
22
VC2
I
电芯连接管脚,连接第
2节电芯的正极和第1节电芯负极
23
VC1
I
电芯连接管脚,连接第
1节电芯的正极
24
VDD
P
电源正端连接管脚,连接第
1节电芯的正极



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