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Part Number: ADT7463
Description: The ADT7463 dBCOOL controller is a complete systems monitor and multiple PWM fan controller for noise-...
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ADT7463
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DataSheet
General Description
ADT7463 General Description
The ADT7463 dBCOOL controller is a complete systems monitor and multiple PWM fan controller for noise-sensitive applications requiring active system cooling. It can monitor 12 V, 5 V, and 2.5 V CPU supply voltages, plus its own supply voltage. It can monitor the temperature of up to two remote sensor diodes, plus its own internal temperature. It can measure and control the speed of up to four fans so that they operate at the lowest possible speed for minimum acoustic noise. The Automatic Fan Speed Control Loop optimizes fan speed for a given temperature. A unique Dynamic TMIN Control Mode enables the system thermals/acoustics to be intelligently managed. The effectiveness of the system's thermal solution can be monitored using the THERM input. The ADT7463 also provides critical Thermal Protection to the system using the bidirectional THERM pin as an output to prevent system or component overheating.
ADT7463 Maximum Ratings
Positive Supply Voltage (VCC) . . . . . . . . . . . . . . . . . . . . 6.5 V
Voltage on 12 VIN Pin . . . . . . . . . . . . . . . . . . . . . . . . . . .20 V
Voltage on Any Other Input or Output Pin . . 0.3 V to +6.5 V
Input Current at Any Pin . . . . . . . . . . . . . . . . . . . . . . . ±5 mA
Package Input Current . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Maximum Junction Temperature (TJ max) . . . . . . . . . . 150°C
Storage Temperature Range . . . . . . . . . . .65°C to +150°C
Lead Temperature, Soldering
IR Reflow Peak Temperature . . . . . . . . . . . . . . . . . . . 220°C
Lead Temperature (soldering 10 sec) . . . . . . . . . . . . .300°C
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1500 V
Voltage on 12 VIN Pin . . . . . . . . . . . . . . . . . . . . . . . . . . .20 V
Voltage on Any Other Input or Output Pin . . 0.3 V to +6.5 V
Input Current at Any Pin . . . . . . . . . . . . . . . . . . . . . . . ±5 mA
Package Input Current . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Maximum Junction Temperature (TJ max) . . . . . . . . . . 150°C
Storage Temperature Range . . . . . . . . . . .65°C to +150°C
Lead Temperature, Soldering
IR Reflow Peak Temperature . . . . . . . . . . . . . . . . . . . 220°C
Lead Temperature (soldering 10 sec) . . . . . . . . . . . . .300°C
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1500 V
ADT7463 Features
·Monitors up to 5 Supply Voltages
·Controls and Monitors up to 4 Fan Speeds
·1 On-Chip and 2 Remote Temperature Sensors
·Monitors up to 6 Processor VID Bits
·Dynamic TMIN Control Mode Optimizes System
·Acoustics Intelligently
·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
·2-Wire and 3-Wire Fan Speed Measurement
·Limit Comparison of All Monitored Values
·Meets SMBus 2.0 Electrical Specifications (Fully SMBus 1.1 Compliant)
·Controls and Monitors up to 4 Fan Speeds
·1 On-Chip and 2 Remote Temperature Sensors
·Monitors up to 6 Processor VID Bits
·Dynamic TMIN Control Mode Optimizes System
·Acoustics Intelligently
·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
·2-Wire and 3-Wire Fan Speed Measurement
·Limit Comparison of All Monitored Values
·Meets SMBus 2.0 Electrical Specifications (Fully SMBus 1.1 Compliant)
ADT7463 Typical Application
·Low Acoustic Noise PCs
·Networking and Telecommunications Equipment
·Networking and Telecommunications Equipment
ADT7463 Connection Diagram
ADT7463
PDF/DataSheet Download
- Datasheet: ADT7463
- File Size: 736493 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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