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AXP209 Datasheet(PDF) 12 Page - List of Unclassifed Manufacturers

Part No. AXP209
Description  Enhanced single Cell Li-Battery and Power System Management IC
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Maker  ETC2 [List of Unclassifed Manufacturers]
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AXP209 Datasheet(HTML) 12 Page - List of Unclassifed Manufacturers

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AXP209
Enhanced single Cell Li-Battery and Power System Management IC
7. Pin Definition
Num
Name
Type
Condition
Function Description
1
SDA
IO
Data pin for serial interface, normally it connect a 2.2K
resistor to 3.3V I / O power
2
SCK
I
it is the Clock pin for serial interface, normally it connect
a 2.2K resistor to 3.3V I / O power
3
GPIO3
IO
REG9EH [7]
GPIO 3
4
N_OE
I
Power output on / off switch
GND: on; IPSOUT: off
5
GPIO2
IO
REG92H [2: 0]
GPIO 2
6
N_VBUSEN
I
VBUS to IPSOUT Selection
GND: IPSOUT select VBUS
High: IPSOUT do not select VBUS
7
VIN2
PI
DCDC2 input source
8
LX2
IO
Inductor Pin for DCDC2
9
PGND2
G
NMOS Ground for DCDC2
10
DCDC2
I
DC-DC2 feedback pin
11
LDO4
O
Output Pin of LDO4
12
LDO2
O
Output Pin of LDO2
Confidential
Page 12/45


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