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AXP188 Datasheet(PDF) 19 Page - List of Unclassifed Manufacturers

Part # AXP188
Description  Single Cell Li-Battery and Power System Management IC
PDF  46 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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AXP188 Datasheet(HTML) 19 Page - List of Unclassifed Manufacturers

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Single Cell Li-Battery -and Power System Management IC
AXP188
7．管脚定义(Pin Description)
Num
Name
Type
Condition
Function Description
1
LX2
IO
Connect to the inductor of DC-DC2
2
VIN2
I
DC-DC2 input source
MODE=LOW (AGND)
Data pin for serial interface
3
SDA/BD1
IO
MODE=HIGH(AIPS)
BAT voltage output data bit1
MODE=LOW (AGND)
Clock pin for serial interface
4
SCK/BD0
IO
MODE=HIGH(AIPS)
BAT voltage output data bit0
5
CDLP
NC
6
CDLN
NC
7
CDRP
NC
8
CDRN
NC
MODE=LOW (AGND)
IRQ output, connect to Host
9
IRQ
IO
MODE=HIGH(AIPS)
Charger enable/disable input,
0: charger enable; 1: disable
10
AGND
G
Analog Ground
11
VREF
A
Connect a 0.1uF bypass cap to AGND
12
AIPS
P
Analog Power
13
BIAS
A
Connect a 200Kohm Resistor to AGND
14
PWROK
IO
Power good indication and reset
15
PWREN
I
Power enable input (Chip enable)
16
DCDC3
I
Feed back to DC-DC3
17
PGND3
G
GND for DC-DC3
18
LX3
IO
Connect to the inductor of DC-DC3
19
VIN3
I
DC-DC3 and LDO3 input source
20
LDO3
O
Output from LDO3
21
CHGLED
O
charger status indication (to Drive LED)
Hi-Z: not charging
25% duty 1Hz toggle: charger warning
25% duty 4Hz toggle: over voltage warning
Drive Low: charging
22
LDO1
O
LDO1 output, (RTC power supply)
23
GND
GND
24
TS
I
Battery temperature sense input
25
DC3SET
I
Select output voltage of DC-DC3 and LDO3,
=HIGH(IPSOUT): DC-DC3 is about 2.5V and
LDO3 is about 1.8V
=LOW(GND): LDO3 is about 2.5V and
DC-DC3 is about 1.8V



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