W83792AG Nuvoton Technology Corporation of America, W83792AG Datasheet - Page 60

• 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

FAN Duty Cycle Level
FAN Temperature Point
8.28 Value RAM 2⎯ Index B0h B1h B8h ~ BAh (BANK 0)
5VSB Calculation
VBAT Calculation
7-4
3-0
7
6-0
BIT
BIT
VBAT Readout
5VSB Readout
FAN4 Readout
FAN5 Readout
FAN6 Readout
FAN7 Readout
MNEMONIC
5VSB Voltage = CR[B0] * 0.024;
VBAT Voltage = CR[B1] * 0.016;
Duty Cycle Level 2
Duty Cycle Level 3
Reserved
Temperature
NAME
NAME
BANK
0
0
0
0
0
0
R/W
RO
ATTRIBUTE
INDEX
BA
BE
B0
B1
B8
B9
ATTRIBUTE
R/W
R/W
ATTR
RO
RO
RO
RO
RO
RO
reserved
For Smart Fan II mode. Specifies each temperature point
at which the output duty cycle changes.
BIT 7
For Smart Fan II mode. The output duty cycle when
temperature is between Temperature point 2 and 3.
For Smart Fan II mode. The output duty cycle when
temperature is between Temperature 3 and 4.
- 54 -
BIT 6
BIT 5
VBAT Voltage Readout
5VSB Voltage Readout
FAN 4 Count Reading
FAN 5 Count Reading
FAN 6 Count Reading
FAN 7 Count Reading
DESCRIPTION
DESCRIPTION
W83792AD/AG/D/G
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0