F81866A
VBAT
R55
R57
1K
VIN1
C21
100p
D1+
C20 3300P
D+
D-
VCORE
+5VSB
D1+
D-
R56
2M
from CPU
SW1
1
2
20K
COPEN#
VIN2
C23
100p
D2+
C22
1000P
D2+
Q9
PNP
for
R58 4.7K
C24 3300P
3906
SYSTEM
D-
CASE OPEN CIRCUIT
R59
R61
20K
20K
DIODE SENSING CIRCUIT
VIN3
C25
100p
+5V
R60 4.7K
RT1
10K 1%
VIN4
C26
100p
R62 10K 1%
R64 10K 1%
+12V
VREF
D1+
(for system)
R63 2K
THERMISTOR
VSB5V
RT2
10K 1%
VREF
D2+
(for system)
VSB3V
R65
THERMISTOR
VOLTAGE SENSING.
The best voltage input level is about 1V.
330
R66
THERMISTOR SENSING CIRCUIT
4.7K
P_LED
D11
LED
Q10
NPN
LED_VCC
Temperature Sensing
VSB5V
VSB3V
R67
330
R68
4.7K
SUS_LED
D12
LED
Q11
NPN
LED_VSB
VCC3V
R69
4.7K
OVT#
LED
OVT# PULL-UP
Title
Feature Integration Technology Inc.
Size
B
Document Number
F81866A
Rev
<Rev Code>
Date:
Friday , October 07, 2011
Sheet
4
of
8
205
Jan, 2012
V0. 12P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
