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AXP202 Datasheet(PDF) 32 Page - List of Unclassifed Manufacturers

Part # AXP202
Description  Single Cell Li-Battery PWM Charger and Power System Management IC
PDF  48 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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AXP202 Datasheet(HTML) 32 Page - List of Unclassifed Manufacturers

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Single Cell Li-Battery PWM Charger and Power System Management IC
AXP202
B8
Coulomb counter control register
R/W
00H
B9
FuelGuage result register
R/W
00H
Coulomb calculation formula:
C= 65536 * current LSB *（charge coulomb counter value - discharge coulomb counter value） /
3600 / ADC sample rate. Refer to REG84H setting for ADC sample rate；the current LSB is
0.5mA；unit of the calculation result is mAh. ）
REG 00H: Power Input Status
Bit
Descripiton
R/W
7
ACIN presence indication
0:ACIN not exist；1:ACIN exists
R
6
Indicating whether ACIN is usable
R
5
VBUS presence indication
0:VBUS not exist；1:VBUS exists
R
4
Indicating whether VBUS is usable
R
3
Indicating whether the VBUS voltage is above VHOLD before used.
R
2
Indicating the battery current direction
0: the battery is discharging；1: the battery is charging
R
1
Indicating whether ACIN and VBUS input short circuit on PCB
R
0
Indicating whether the boot source is ACIN or VBUS
0: Boot source isn’t ACIN/VBUS； 1: Boot source is ACIN/VBUS.
R
REG 01H: Power Working Mode and Charge Status Indication
Bit
Descripiton
R/W
7
Indicating whether AXP202 is over-temperature
0: not over-temperature； 1: over-temperature
R
6
Charge indication
0:not charge or charge finished； 1: in charging
R
5
Battery existence indication
0:no battery connected to AXP202； 1:battery already connected to AXP202
R
4
Reserved and unchangeable
R
3
Indicating whether the battery enters the activate mode
0: not enter the activate mode； 1: already entered the activate mode
R
2
Indicating whether the charging current is lower than the expected current
0:actual charging current is the same as expected current；1: actual charging current
is lower than expected current
R
1-0
Reserved and unchangeable
R



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