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HM4021 Datasheet(PDF) 8 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) 8 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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12.极限工作条件
◇电源电压
VDD ------- -0.3V to 4.5 V
◇信号输出端电压
SOL -------- -0.3 to 4.5V
◇信号输入端电压
SI --------
−0.3V to 4.5V
◇接收线圈端电压
VCHG -------- -0.3V to 20V
◇信号输出端电压
SOH ------- −0.3V to 4.5V
◇存放温度范围
------- −55℃ to 150℃
ESD保护(HBM人体模式) ---------------- ±2KV
13.电气参数
如果没有特别说明,下列性能的测试条件为
VIN = 3.7V, TA = 25°C
符号
参数
测试条件
最小值
典型值
最大值
单位
VDD
输入电压
-
-
5.5
V
IQ
静态电流
省电模式
-
6
10
uA
Ipd
过放电后消耗电流
1
uA
VUVLOF
过放检测阈值
VIN下降
3.12
3.18
3.24
V
VUVLOR
过放恢复阈值
VIN上升
3.4
3.5
V
VRE
自动恢复阀值
自动恢复时对应
VDD到CM端电压
1.3
1.7
2.4
V
VRSTB
低压复位阈值
VIN下降
-
2.1
-
V
Rdson
CM端开关内阻
I=0.5A@25CV
210
MΩ
涓流充电开关导通电
Vchg=4.5,
VDD=2.7V
-
8
-
Rchg
恒流充电开关导通电
Vchg=4.5,
VDD=3.6V
-
1
-
Fosc
内部时钟频率
@-40~150C
22
33
44
KHZ
Vref
内部参考基准
-
1.25
-
V
Iocp(注1)
放电过流保护阀值
持续时间大于
8MS
2.0
2.4
2.7
A
HM4021
无线充电接收
+锂电保护芯片



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