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HM1802 Datenblatt(PDF) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

Teilenummer HM1802
Bauteilbeschribung  Synchronous switching type 2A lithium battery charging
PDF  21 Pages
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Hersteller  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
Direct Link  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM1802 Datenblatt(HTML) 4 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

  HM1802 Datasheet HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1802 Datasheet HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1802 Datasheet HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1802 Datasheet HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1802 Datasheet HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1802 Datasheet HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1802 Datasheet HTML 7Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1802 Datasheet HTML 8Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1802 Datasheet HTML 9Page - Shenzhen Huazhimei Semiconductor Co., Ltd Next Button
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4
REV_2.0
典型应用电路
dn~_up
auto_up
Key~
Lx
EXT
GND_P
VS
VBAT
GND_A
V_Ilmt
L=2.2uH
VIN
C1
R2=3M
C6 C7 C8
C14
C15
VOUT
GND
C12
C13
Rsb=13.5mΩ
HM1802
0.1uF
0.1uF
22uF
22uF
0.1uF
D+
D-
VREG
Vint1
Vint2
C5
C4
C3 1uF
1uF
0.1uF
22uF
R1
5K
C2=1uF
1uF 0.1uF
C9
22uF
C10
22uF
R7=1M
R8=33K
RA1
RA2
RB1
RB2
NMOS
8205A
KEY2
升压按键
M1
8
6
20
13
19
17
16
14
15
22
21
4
CLX
10nF+3.3Ω
RLX
图
1 HM1802 为 4.2V 锂离子电池 2A 充电、5V2A 升压应用示意图
封装/订购信息
NC
VOUT
VOUT
LX
VOUT
Vint1
GND_A
key~
V_Ilmt
VS
VBAT
auto_up
24 引脚 4mm*4mmQFN24 封装顶视图
（散热片接地，不可接其他电位）
订单型号
HM1802-QFN24
器件标记
HM1802
实物图片
HM



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