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3. TECHNICAL BRIEF
- 37 -
In order to reduce time for trickle charging, additional circuit(Pre-charge circuit) was included.
This circuit has supplied Max 160mA current into the battery additionally.
So call it, it reduce trickle charging time
(1%)
(2012)
VBAT
VCHARGE
VCHG
VMEMSEL
R3
VBATSENSE
B8
A5
NC_B5
B5
NC_B7
B7
G16
NC_G16
R1
NC_R1
T15
NC_T15
GATEDRIVE
A6
T5
GND_NET1
A7
ISENSE
R104
0.2
C126
1u
S
5
Q101
TPCF8102-TE85L-F
D1
1
D2
2
D3
3
D4
6
D5
7
D6
8
G
4
R105
330
4.7u
C125
CUS02
D101
ERHY0007007
(1%,1/8W)
20
R226
2
3
1
Q202
2SC5585
10K
R223
R209
15
2
5
6
3
1
4
Q201
UMX1NTN
VCHARGE
R215
10K
7.5K
R220
VBAT
1u
C210
R216
1K
ONNOFF
VCHG_LED
Figure 3-20. CIRCUIT FOR BATTERY CHARGING AT AD6537B
Pre - CHARGING
NORMAL CHARGING
Содержание KG240
Страница 1: ...Date April 2006 Issue 1 0 Service Manual Model KG245 Service Manual KG245 ...
Страница 3: ... 4 ...
Страница 81: ...4 TROUBLE SHOOTING 82 4 13 KEY backlight Trouble TEST POINT Figure 4 20 a KEY Backlight Trouble ...
Страница 90: ...5 DOWNLOAD AND CALIBRATION 91 5 2 Download Procedure 5 2 1 Computer Program file MultiGSM exe Click ...
Страница 92: ...5 DOWNLOAD AND CALIBRATION 93 5 2 3 Configuration Setting C GSMULTI Model MG210 dll ...
Страница 93: ...5 DOWNLOAD AND CALIBRATION 94 5 2 4 Press Start Button KG245 ...
Страница 94: ...5 DOWNLOAD AND CALIBRATION 95 5 2 5 After Start Button Which Stand by condition KG245 ...
Страница 95: ...5 DOWNLOAD AND CALIBRATION 96 5 2 6 SW downloading Condition KG245 ...
Страница 96: ...5 DOWNLOAD AND CALIBRATION 97 5 2 7 SW downloading END Condition KG245 ...
Страница 99: ...5 DOWNLOAD AND CALIBRATION 100 4 Click on CALIBRATION START button KG245 KG245 ...
Страница 100: ...5 DOWNLOAD AND CALIBRATION 101 6 BLOCK DIAGRAM ...
Страница 101: ... 102 ...
Страница 110: ... 111 8 PCB LAYOUT ...
Страница 111: ... 112 8 PCB LAYOUT ...
Страница 112: ... 113 KG245 8 PCB LAYOUT ...
Страница 113: ... 114 KG245 8 PCB LAYOUT ...
Страница 121: ...10 STAND ALONE TEST 122 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 125: ... 126 ...
Страница 127: ... 128 ...
Страница 145: ...Note ...
Страница 146: ...Note ...