JHL90 Service Manual
12.9 Battery status report and control
• Define the battery type and battery protection function.
12.9.1 Battery status
• There are four battery states for each battery pack depend on the status data
getting from Smart battery pack through SMBus: full, normal, low, critical
low.
• The battery gas-gauge and level of low power states should base on ‘current’
system configuration settings.
• Battery turn on system condition: gas gauge > 5%
Battery discharge/charging control
Charging Discharging Action
Sony and Panasonic T≥60°C
LIBP T≥45°C
Set Flag-T
Sony and Panasonic T≤55°C
LIBP T≤40°C
Clean Flag-T
T≥60
Stop charging
&
Battery Led off
Sony and
Panasonic
T>70°C T>70°C Sony and
Panasonic
LIBP T>57°C T>57°C LIBP
R.S.O.C. ≤10% (Beeping under
DOS)
R.S.O.C. < 3% LLB
Dependent on OS
Battery Voltage ≤ 8.9V and temp. >
20°C.
Or Battery Voltage ≤ 8.7V and temp.
< 20°C.
LLC
Shut down System
R.S.O.C ≤ 5% during system is in
S2R mode.
Wakeup
System
Fast Charge Time out: 12
Hours
Trickle Charge Time Out:
6 Hour.
Battery BAD
&
Battery Led off
Voltage≥13.5V
OverVoltage
&
Battery Led off
In ACPI mode
2-32
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