3. Technical brief
GD510 Operational Description Revision A
LG Electronics 30/113 LGE Property
Figure 4 SM-Power Circuit Diagram with charging part
3.3.2. Charging
SM-POWER provides an external AC-adapter a complete charge control function for charging of
Li-Ion or Li-Ion-Polymer batteries. Either a 1-cell Li-Ion or Li-Ion-Polymer battery with 4.1, 4.2 or 4.4
Volts may be used.
4.2V~3.69V 3.69V~3.53V 3.53V~3.43V 3.43V~3.35V
Figure 5 Battery Block Indications
1. Charging method : CC-CV
2. Charger detect voltage : 4.0 V
3. Charging time : 2h 40m
4. Charging current : 380 mA
5. CV voltage : 4.2 V
6. Cutoff current : 110 mA
7. Full charge indication current (icon stop current) : 110 mA
8. Recharge voltage : 4.16 V
9. Low battery alarm
a. Idle : 3.43 V ~ 3.3 V
b. Dedicated : 3.53 V ~ 3.3 V
10. Low battery alarm interval
a. Idle : 3 min
b. Dedicated : 1 min
11. Switch-off voltage : 3.3 V
12. Charging temperature adc range
a. ~ -5 : low charging voltage operation (3.6 V ~ 3.9 V) .
b. -5G ~ 50 : standard charging (up to 4.2 V)
c. 50~ : low charging voltage operation (3.6V ~ 3.9V)
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