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AXP209 Datasheet(PDF) 34 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) 34 Page - List of Unclassifed Manufacturers

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AXP209
Enhanced single Cell Li-Battery and Power System Management IC
10.12 REG 31H: VOFF Shutdown voltage setting
The default value: X3H
Bit
Description
R / W
Default
value
7-4
Reserved, can not be changed
3
Sleep Mode PEK or GPIO edge wakeup enable settings:
0: Disable
1: Enable
This bit will be automatically cleared to 0 after writing, so “1 ”should be
rewritten whenever entering Sleep mode.
2-0
VOFF Setting
VOFF= [2.6+ (Bit2-0) * 0.1] V
RW
011
Default: 2.9V
10.13 REG 32H:Shutdown settings, battery detection, and CHGLED Pin control
The default value: 46H
Bit
Description
R / W
Default
value
7
Shutdown Control
RW
0
This bit is write 1 will shutdown the AXP209 outputs
6
Battery monitoring function setting bit: 0:Shut down; 1:Turn on
RW
1
5-4
CHGLED Pin function setting
00: Hi
RW
00
01: 25% 1Hz Flashing
10: 25% 4Hz Flashing
11: Output Low
3
CHGLED Pin control settings
0: Controlled by charging
RW
0
1: Controlled by REG 32H [5: 4]
2
Output off timing sequence
control
0: Shutdown simultaneously
RW
0
1: Shutdown in reverse sequence to
startup
1-0
RW
10
Shutdown delay time after N_OE
changes from low to high
00: 128mS;
01: 1S;
10: 2S;
11: 3S
10.14 REG 33H:Charge Control 1
The default value: CXH
Bit
Description
R /
W
Default
value
7
Charging function enable control bit
RW
1
0:Disable, 1:Enable
6-5
Charging target voltage
setting
00: 4.1V; 01: 4.15V; 10: 4.2V; 11: 4.36V
RW
10
Confidential
Page 34/45


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