Battery Level - Samsung VP-L900 Training Manual

Circuit Operating Description
(4) Battery Voltage Check
In order to detect a battery voltage, The BATTERY the REF and CHARGE REF must become the input.
(BATT REF: Pin 118 / CHARGE REF.IN: Pin 120).
- Remaining amount voltage of the battery it calculates.
- Justice of PRE END and END Point of battery.
- Charging mode decision of battery
(Trickle Change or Rapidity change)
AV ref
A. Bettery Level Detect
END
6-12
IC601
MICOM
CHARGE REF. IN
120
BATT REF.
118
133
EVER 3V

Battery Level

100% ~ 90%
90% ~ 60%
60% ~ 40%
40% ~ 20%
20% ~ 5%
5% below
0%
SS 3V
10kΩ
1MΩ
Fig. 6-11
<Table 6-8>
Battery Voltage
8.4V ~ 7.75V
6.0V below
Battery B+
R451
470kΩ
R452
220kΩ
Samsung Electronics