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AXP209 Datasheet(PDF) 31 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) 31 Page - List of Unclassifed Manufacturers

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AXP209
Enhanced single Cell Li-Battery and Power System Management IC
10.1 REG 00H:Input power status
Bit
Description
R / W
7
ACIN presence indication
R
0: ACIN Does not exist;1: ACIN Exist
6
Instructions ACIN Is available
R
5
VBUS presence indication
R
0: VBUS Does not exist;1: VBUS Exist
4
Indicates if VBUS is useable
R
3
Indicating whether the VBUS voltage is above VHOLD before used.
R
2
Indicates that the battery current direction
R
0:Battery discharging; 1:The battery is charging
1
Indicating whether ACIN and VBUS input short circuit on PCB
R
0
R
Indicating whether the boot source is ACIN or VBUS
0: Boot source isn’t ACIN/VBUS; 1: Boot source is ACIN/VBUS.
10.2 REG 01H:Power mode and charge status indication
Bit
Description
R / W
7
Indicates AXP209 over-temperature
R
0:Not too hot; 1:Over Temperature
6
Charging indicator
R
0:Not charging or charging has been
completed; 1:Charging
5
Battery connected indicator
R
0:No battery is connected to the AXP209; 1:The battery is connected to
the AXP209
4
Reservations can not be changed
R
3
Indicate whether the battery charger entered into activation mode
R
0:Did not enter the cell activation mode; 1:Has entered the cell activation mode
2
Indicates the charging current is less than the expected current
R
0:The actual charge current equal to the desired current; 1:The actual charge current is
less than the desired current
1-0
Reserved, can not be changed
R
10.3 REG 02H: USB OTG VBUS Status Indication
Bit
Description
R / W
7-3
Reserved, can not be changed
2
Indicating whether VBUS is valid or not,1 means “valid”
R
1
Indicating whether VBUS is valid or not,1 means “valid”
R
0
Indicating Session End status,1 means “valid”
R
Confidential
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