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AXP202 датащи(PDF) 11 Page - List of Unclassifed Manufacturers

номер детали AXP202
подробное описание детали  Single Cell Li-Battery PWM Charger and Power System Management IC
PDF  48 Pages
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производитель  ETC2 [List of Unclassifed Manufacturers]
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AXP202 датащи(HTML) 11 Page - List of Unclassifed Manufacturers

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Single Cell Li-Battery PWM Charger and Power System Management IC
AXP202
7
． Pin Description
Num
Name
Type
Condition
Function Description
1
SDA
IO
Data pin for serial interface,normally it connects a
2.2K resistor to 3.3V I/O power
2
SCK
I
the Clock pin for serial interface,normally it connects
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
13
LDO24IN
PI
Input to LDO2 and LDO4
14
VIN3
PI
DCDC3 input source
15
LX3
IO
Inductor Pin for DCDC3
16
PGND3
G
NMOS GND for DCDC3
17
DCDC3
I
Feed back to DCDC3
GPIO 1
18
GPIO1
IO
REG93H[2:0]
ADC Input
GPIO 0
Low noise LDO/Switch
19
GPIO0
IO
REG90H[2:0]
ADC Input
20
EXTEN
O
External Power Enable
21
APS
PI
Internal Power Input
22
AGND
G
Analog Ground
23
BIAS
IO
External 200Kohm 1% resistor
24
VREF
O
Internal reference voltage
25
PWROK
O
Power Good Indication Output
26
VINT
PO
Internal logic power, 2.5V
27
PWREN
IO
It is the Power domain enable signal
28
LDO1
O
LDO1 output，for Host RTC block



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