LG PRADA KE850 - Multimedia and Email Messaging; Setting Up New Email Messages; Email Account Setup

3. TECHNICAL BRIEF
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3.3.2. Charging
SM-POWER provides together with an external p-channel FET Siliconix NDC652P 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.
1. Charging method : CC-CV
2. Charger detect voltage : 4.0V
3. Charging time : 3h
4. Charging current : 500mA
5. CV voltage : 4.2V
6. Cutoff current : 100mA
7. Full charge indication current (icon stop current) : 100mA
Charging & Battery Connector
VBAT
R219
100K
VCHG
R220
47mohm
C229
10u
G1
G2
1
2
3
CN201
C235
33u
2.2K
R223
GND
2
3
IOUT
LOAD
51
NC
VIN
4
U205
ZXCT1010E5TA
C233
27p
R225
0.15
VSUPPLY
2
1
D3
3
G
4
S1
6
S2
NDC652P
Q203
5
D1
D2
VBAT
C231
2.2u
C230
47n
39p
C232
1K
R222
CRS08
D201
LOAD
BAT_ID
VCH_CTL
VCHS
Figure 6 SM-Power circuit diagram with charging part
Figure 6 Battery Block Indication