W83792AG Nuvoton Technology Corporation of America, W83792AG Datasheet - Page 90

• Manufacturer Part Number: W83792AG
• Description: IC MONITOR H/W 48-LQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83792AG

• Output Type: I²C™
• Function: Hardware Monitor
• Topology: ADC, Fan Control, Register Bank
• Sensor Type: External
• Sensing Temperature: External Sensor
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Temperature Sensor Function: Temp Sensor
• Resolution: 10b
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Temperature
Sensing
Measuring CPU temperature by either
thermistor or diode.
CPUD-
VREF
VREF
VTIN2
VTIN1
VTIN2
VTIN3
VID Circuit
(From CPUA)
CPUAVID5
CPUAVID4
CPUAVID3
CPUAVID2
CPUAVID1
CPUAVID0
R25
15K 1%
10K 1%
R17
10K 1%
R19
10K 1%
R14
C5
3300p
R28
R29
R30
R31
R32
R33
THERMISTOR
RT1
RT2
THERMISTOR
RT3
1K
1K
1K
1K
1K
1K
THERMISTOR
CPUD-
D+
D-
10K 1%
10K 1%
10K 1%
(from CPU)
(for system)
(for cpu1)
(for cpu2)
VIDA5
VIDA4
VIDA3
VIDA2
VIDA1
VIDA0
VREF
Voltage Sensing
CPUA
CPUB
+5V
+3.3V
R20
- 84 -
R22
R26
34K 1%
R16
R15
R18
10K 1%
10K 1%
10K
10K
10K 1%
R21
R23
R27
50K 1%
232K 1%
120K 1%
VCOREA
VCOREB
CPUD-
VIN1
VIN0
-12V
-5V
VIN2
VIN3
Case Open Circuits
VBAT
Title
Size
Date:
S1
CASEOPEN SW
W83792AD/AG/D/G
W83792AD H/W Sensing Circuit
Document Number
Thursday , Nov ember 10, 2005
R24
10M
CASEOPEN
Sheet
2
of
4
Rev
0.6