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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. BB Circuit Technical brief
GM310f service manual
3.3.2 Charging control
-
GM310
is use external charging IC
-Charging IC is ISL9221
1. Charging method : CC-CV
2. Charger output voltage : 5.1 V
3. Charging time : 2h 10m
4. Charging current : 600 mA
5. CV voltage : 4.2 V
6. Cutoff current : 117 mA
7. Full charge indication current (icon stop current) : 117 mA
8. Recharge voltage : 4.15 V
9. Low battery alarm
a. Idle : 3.45 V ~ 3.31 V
b. Dedicated : 3.45 V ~ 3.3 V
10. Low battery alarm interval
a. Idle : 3 min
b. Dedicated : 1 min
11. Switch-off voltage : 3.31 V
12. Charging temperature adc range
a. ~ -20 : low charging voltage operation (3.
℃
6 V ~ 3.9 V) .
b. -20 ~ 60 : standard charging (up to 4.2 V)
℃
℃
c
.
60 ~ : low charging voltage operation (3.6V ~ 3.9V)
℃
[Figure 3.3.2-1] Charging IC (ISL9221)
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Содержание GM310
Страница 1: ...Service Manual Model GM310 Internal Use Only Service Manual GM310 Date April 2009 Issue 1 0 ...
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