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AXP209 Datasheet(PDF) 36 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) 36 Page - List of Unclassifed Manufacturers

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AXP209
Enhanced single Cell Li-Battery and Power System Management IC
7-6
Startup press time settings
00: 128mS; 01: 3S; 10: 1S; 11: 2S.
RW
01
5-4
Long press time setting
00: 1S; 01: 1.5S;10: 2S; 11: 2.5S.
RW
01
3
Automatic shutdown on long press time exceeding the shutdown time
RW
1
0:Disable; 1:Enable
2
PWROK Signal Delay after power-up completed
RW
1
0: 8mS; 1: 64mS
1-0
Shutdown time setting
00: 4S; 01: 6S; 10: 8S; 11: 10S.
RW
01
10.18 REG 37H: DC-DC Operating frequency settings
The default value: 08H
Bit
Description
R / W
Default
value
7-4
Reserved, can not be
changed
3-0
DC-DC switching frequency
Each level changes by 5%
The default value 1.5MHz
RW
1000
F = [1 +/- (Bit3-0) * 5%)] * 1.5MHz
10.19 REG 38H: VLTF-charge Battery charging low temperature threshold settings
The default value: A5H
Bit
Description
R / W
Default
value
7-0
Battery Under-temperature
threshold setting when the
battery is charging, M
M*10H,When M=A5H, corresponding
voltage is 2.112V
RW
A5H
Voltage range 0V ~ 3.264V
VLTF-charge = M * 10H * 0.0008V
10.20 REG 39H: VHTF-charge Battery charging high temperature threshold setting
The default value: 1FH
Bit
Description
R / W
Default
value
7-0
When charging the battery
temperature threshold setting,N
N*10H, When N=1FH, the
corresponding voltage is 0.397V
RW
1FH
Voltage range 0V ~ 3.264V
VHTF-charge = N * 10H * 0.0008V
10.21 REG 3AH: System IPSOUT Vwarning Level1
The default value: 68H
Bit
Description
R / W
Default
value
7-0
System IPSOUT Vwarning Level1
RW
68H
Confidential
Page 36/45


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