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AXP173 数据表(PDF) 13 Page - List of Unclassifed Manufacturers

部件名 AXP173
功能描述  Enhanced Single Cell Li-Battery and Power System Management IC
PDF  45 Pages
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制造商  ETC2 [List of Unclassifed Manufacturers]
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标志 ETC2 - List of Unclassifed Manufacturers

AXP173 数据表(HTML) 13 Page - List of Unclassifed Manufacturers

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Enhanced single Cell Li-Battery and Power System Management IC
AXP173
7．管脚定义(Pin Description)
Num
Name
Type
Condition
Function Description
IO
Host Control
Mode
TWSI Data Signal,pull high to 3.3V IO Power through an
2.2K Resistor
1
SDA/
N_HOLDEN
I
Stand Alone
Mode
N_HOLDEN: GND-Hold enable; High-not hold
2
SCK
I
TWSI Clock Signal,pull high to 3.3V IO Power through an
2.2K Resistor
3
PWROK
O
Power good indication
4
N_VBUSEN
I
VBUS to IPSOUT Selection
GND:IPSOUT select VBUS
High:IPSOUT do not select VBUS
5
VIN2
PI
DCDC2 input source
6
LX2
IO
Inductor Pin for DCDC2
7
PGND2
G
NMOS Ground for DCDC2
8
DCDC2
I
DC-DC2 feedback pin
9
LDO3
O
Output Pin of LDO3
10
LDO2
O
Output Pin of LDO2
11
LDOIN
PI
Input to LDO2 and LDO3
12
LDO4
I
Output Pin of LDO4
13
APS
PI
Internal Power Input
14
PWRON
I
Power On-Off key input，Internal 100k pull high to APS
15
BIAS
IO
External 200Kohm 1% resistor
16
VREF
O
Internal reference voltage
17
VINT
PO
Internal logic power, 2.5V
18
LDO1
O
LDO1 output，for Host RTC block
19
VBUS
PI
USB VBUS input
20
ACIN
PI
Adapter input
21,22
BAT
IO
Main Battery
23
CHGLED
O
charger status indication
24
TS
I
Battery Temperature sensor input or an external ADC input
25,26
IPSOUT
PO
System power source
27
EXTEN
O
External power module enable
28
VIN1
PI
DCDC1 input source
29
LX1
IO
Inductor Pin for DCDC1
30
PGND1
G
NMOS Ground for DCDC1
31
DCDC1
I
DCDC1 feedback pin
32
IRQ/
O
Host Control
IRQ output



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