W83782D Datasheet, PDF (71/73 Pages) Winbond – MONITORING IC

11. APPLICATION CIRCUIT OF WINBOND W83782D / 781D
VOLTAGE SENSING
CPUVCOA
GTLVOLT
3VCC
+12V
R11 R
10K
R1
R
10K
R2
R
VCOREA
VINR0
3VIN
10K
R3
R
28K 1%
+12VIN
R4
R
10K 1%
GNDA
R18 R
56K 1%/782D
R27 R
60.4K 1%/781D
R21 R
232K 1%/782D
210K 1%/781D
-12VIN
-12V
VREF
VBAT
R22 R
0 /782D
VBAT/-12VOUT
5VSB ^{R38 R}
5.1K 1%/782D
R36
R
7.5K 1%/782D
R37 R
0/782D
60.4K 1%/781D
R19
R
56K 1%/782D
R28
R
GNDA
5VSB/-5VOUT
-5VIN
R20 _R
-5V
120K 1%/782D
90.9K 1%/781D
3VCC
TO PIIX4
{THRM#
EXTSMI#
R9
R
4.7K
R10
R
4.7K
OVT#
SMI#
GNDA
GNDA
L2
INDUCTOR
FB
Select one of the two setting.
Set A2-A0 as 3 lowest order
bits of ISA address bus
SA2
SA1
SA0
ADRMSELIN
A2
A1
A0
GNDD
Set A2-A0 as bit2, bit1, bit0
of 7 bit I2C address setting
VCC
IA2
IA1
IA0
ADRMSELIN
A2
A1
A0
VCC
L1
INDUCTOR
FB
C3
CAP
10u
C4
CAP
0.1u
VREF
T3
T2
T1
CS#
VREF
VID0
OVT#
ADRMSEL
SMI#
A2
A1
A0
37
38
39
VREF
VTIN3/PIITD3
40
41
VTIN2/PIITD2
VTIN1/PIITD1
42
43
VID0
OVT#
44
45
ADRMSEL
SMI#
46
47
SA2/IA2
SA1/IA1
48
SA0/IA0
CS#
IOR#
IOW#
CLKIN
CPU Voltage ID output
3VCC
R12
R13
R14
R
R
R
10K
10K
10K
PIIVID4
PIIVID3
PIIVID2
PIIVID1
PIIVID0
U1
R25 R
0 /781D
RSTOUT#
24
VID2
PWMOUT1
23
22
SDA
SCL
21
20
FAN1IO
FAN2IO
19
18
FAN3IO/PWMOUT2
VID4
17
16
CASEOPEN#
MR
15
14
GNDD
VCC
13
VID2
SDA
SCL
VID4
GNDD
VCC
W83782D
R26 R
0 /782D
FAN1IN
FAN2IN
CASEOPEN#
RESETDRV
PWMOUT1
VCC
R29
R
0/782D
R30
R
0/781D
PWMOUT2
FAN3IN
C1
CAP
10u
C2
CAP
0.1u
Beep Circuits
VCC
SD[0..7]
R34
R
10K/782D
R33
R
100
LS1
SPEAKER
R35
R
0/782D
R32
0R/781D
R15
R
10K
R16
R
10K
VID4
VID3
VID2
VID1
VID0
BEEP/GPO#
R31
R
510/782D
Q1
NPN
3904/782D
3VCC
SDA
SCL
R
R6
0
R5 0
R
R7
R
4.7K
R8
R
4.7K
SMDAT
SMCLK
ADRMSELIN
IRQ
R23 R
0 /782D
R24
R
0 /781D
ADRMSEL
Winbond Electronic Corp.
Title
W83781D-W83782D Application Circuit
Size
Document Number
Custom
Date:
Thursday, July 23, 1998
Sheet
1
of
Rev
0.3
2