ADT7476
ADT7476 is Remote Thermal Controller and Voltage Monitor manufactured by onsemi.
Features
- Monitors Up to Five Voltages
- Controls and Monitors Up to Four Fans
- High and Low Frequency Fan Drive Signal
- One On-Chip and Two Remote Temperature Sensors
- Extended Temperature Measurement Range Up to 191°C
- Automatic Fan Speed Control Mode Controls System Cooling Based on Measured Temperature
- Enhanced Acoustic Mode Dramatically Reduces User Perception of
Changing Fan Speeds
- Thermal Protection Feature via THERM Output
- Monitors Performance Impact of Intel® Pentium® 4 Processor
- Thermal Control Circuit via THERM Input
- 3-wire and 4-wire Fan Speed Measurement
- Limit parison of All Monitored Values
- Meets SMBus 2.0 Electrical Specifications
- This Device is Pb-Free, Halogen Free and is Ro HS pliant
QSOP- 24 NB CASE 492B
PIN ASSIGNMENT
SDA 1
24 PWM1/XTO
SCL 2
23 VCCP
GND 3
22 +2.5VIN/THERM
VCC 4
21 +12VIN/VID5
VID0/GPIO0 5
20 +5VIN
VID1/GPIO1 6
19 VID4/GPIO4
VID2/GPIO2 7 (Top View) 18 D1+
VID3/GPIO3 8
17 D1-
TACH3 9 PWM2/
10 SMBALERT
TACH1 11
16 D2+ 15 D2- 14
- TACH2 12
13 PWM3/ADDREN
- TACH4/THERM/SMBALERT/GPIO6/ADDR...