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HM4021 Datasheet(PDF) 9 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Part # HM4021
Description  Built-in power stage with low-resistance NMOS FET technology ensures high efficiency and low power consumption
PDF  9 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

HM4021 Datasheet(HTML) 9 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

  HM4021 Datasheet HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4021 Datasheet HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4021 Datasheet HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4021 Datasheet HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4021 Datasheet HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4021 Datasheet HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4021 Datasheet HTML 7Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4021 Datasheet HTML 8Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM4021 Datasheet HTML 9Page - Shenzhen Huazhimei Semiconductor Co., Ltd  
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background image
HM4021
无线充电接收
+锂电保护芯片
Iscp
短路电流保护阀值
持续时间大于
90US
2.7
3.2
4
A
VBAT_end
充电结束电池电压
4.15
4.2
4.24
V
IBAT_max
最大充电电流
VDD=3.6V
-
100
mA
ICHS2
LED恒流驱动电流
340
420
500
uA
ICHS1
CHS1输出电流
VDD=3.6V
1
mA
tOD
过放延时时间
42
172
ms
tOCP
过流延时时间
5
22
ms
tSCP
短路延时时间
110
180
250
us
过热保护
TOTP
过热保护阈值
-
160
-
℃
Thsy
迟滞温度
-
40
-
℃
注
1：要考虑到封装的热阻，要不会产生过热保护，SOT23-6 封装负载电流小于 1.5A，DFN6(2*2)封装
芯片肚子没有跟
PCB 的铜皮焊接散热，负载电流小于 1.5A。



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