3. TECHNICAL BRIEF
- 38 -
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
NORMAL
CHARGING
Pre-CHARGING
(1%)
(2012)
R106
0.2
4.7u
C126
VCHARGE
A5
VCHG
VMEMSEL
R3
VBATSENSE
B8
NC_B5
B5
NC_B7
B7
G16
NC_G16
R1
NC_R1
T15
NC_T15
GATEDRIVE
A6
T5
GND_NET1
A7
ISENSE
VBAT
Q100
TPCF8102
D1
1
D2
2
D3
3
D4
6
D5
7
D6
8
G
4
S
5
CUS02
D102
330
R108
1u
C143
ERHZ0000757
(5%,1/10W)
1u
C216
1K
R221
15
R217
100K
R224
2
56
31
4
UMX1NTN
Q401
R223
7.5K
390
R218
R226
20
VCHARGE
VBAT
LD200
R225
10K
2SC5585
Q200
20K
R222
VCHARGE
0
R219
RPWRON
Figure 3-21. CIRCUIT FOR BATTERY CHARGING AT AD6537B
Содержание C2100
Страница 1: ...Service Manual Model C2100 Service Manual C2100 P N MMBD0048201 Date April 2005 Issue 1 0 ...
Страница 54: ...4 TROUBLE SHOOTING 55 4 2 TX Trouble SW500 U503 X500 FL500 U501 U505 5 4 1 3 2 Test Points Figure 4 7 ...
Страница 70: ...4 TROUBLE SHOOTING 71 4 7 MIC Trouble Soldering Check U203 C225 C224 C230 Test Points Figure 4 18 ...
Страница 76: ...4 TROUBLE SHOOTING 77 4 10 KEY backlight Trouble Test Points Figure 4 21 ...
Страница 104: ... 105 8 PCB LAYOUT ...
Страница 105: ... 106 8 PCB LAYOUT ...
Страница 113: ...10 STAND ALONE TEST 114 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 117: ...Note 118 ...
Страница 119: ......
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