LP3910 Datasheet, PDF (54/72 Pages) Texas Instruments – Power Management IC for Hard-Drive-Based Portable Media Players

LP3910
SNVS481M – NOVEMBER 2006 – REVISED DECEMBER 2015
8.6.3 PON Register (00)H Power-On Event Register
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Access
Data
Reset
D7–5
Read Only 0
Reserved
n/a
D4
R/W
PACK
D3
Battery Insert
D2
D1
Read Only
PON by ONOFF PON by CHG_IN
0: Disable Power, 0: default
go in standby, and
wait for power on
event.
0: default
0: default
1: Acknowledge
Power On request
1: Battery Insert
caused by Battery
Insertion
1: ONOFF caused
Power On event
1: Power On
caused by
CHG_IN power
detection
0
0
0
0
D0
PON by USB
Power
0: default
1: Power On
caused by USB
power detection
0
8.6.4 CHCTL Register (01)H Charger Control Register
Access
Data
D7–6
Termination voltage
D5–2
R/W
I_CC: Full Rate Charge current
Reset
00: 4.1V (Li Ion)
01: 4.2V (Li Polymer )
10: 4.38V (Li Polymer)
11: reserved
01
0000: 100 mA
0001: 200 mA
0010: 300 mA
0011: 400 mA
0100: 500 mA
0101: 600 mA
0110: 700 mA
0111: 800 mA
1000: 900 mA
1001: 1000 mA
Factory-Programmed Default
8.6.5 CHSPV Register (02)H Charger Supervisor Register
D1
Charger enable
0: disabled
1: enabled
1
D0
End of Charge
Select
0: 5%
1: 10%
1
Access
Data
Reset
D7–6
Read only
Reserved
n/a
D5
R/W
LED Current
0: 5 mA (Standard
default)
0: 1 mA (AP
default)
1: 10 mA
(Standard default)
1: 2 mA (AP
default)
D4
R/W
LED ENABLE
0: Disabled
1:Enabled
D3
Battery
temperature
range
0: 0°C–50°C
1: 0°C–45°C
R/W
Charger status
Stat2
Stat1
0
0
0
0
0
1
D2–0
Stat0
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
1
1
0
2’b000
Charger is off
Prequalification
Constant current
charging
Constant voltage
charging
Error
Charge cycle
complete
Safety Timer
Expired
EOC / Top-off
54
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