ADT7462: System Fan Controller with Flexible Temperature and Voltage Monitor

The ADT7462 is a flexible systems monitor IC, suitable for use in a wide variety of applications. It can monitor temperature in up to three remote locations, as well as its ambient temperature. There are up to four PWM outputs. These can be used to control the speed of a cooling fan by varying the % duty cycle of the PWM drive signal applied to the fan. The ADT7462 supports high frequency PWM for 4-wire fans and low frequency PWM for 2-wire and 3-wire fans. Up to eight TACH inputs can be used to measure the speed of 3-wire and 4-wire fans. There are up to 13 voltage monitoring inputs, ranging from 12 V to 0.9 V.

Features
  • One Local and up to Three Remote Temperature Channels, Series Resistance Cancellation on Remote Channels
  • Thermal Protection Using THERM Pins
  • Up to Four PWM Fan Drive Outputs, Supports Both High and Low Frequency PWM Drives
  • Up to Eight TACH Inputs Measures the Speed of 3-wire and 4-wire Fans
  • Automatic Fan Speed Control Loop Includes Dynamic TMIN Control
  • Monitors up to 13 Voltage Inputs
  • Monitors up to 7 VID Inputs Includes VID-on-fly Support
  • Bidirectional Reset
  • Chassis Intrusion Detect
  • SMBus 1.1- and SMBus 1.0-compatible
  • 3.3 V and 5 V Operation
Applications
  • Thermal Management
End Products
  • Notebook and Desktop Computers
  • Game Consoles
  • RFID Readers
  • Multi-Channel Analog Receiver/Amplifier
Software (1)
Document TitleDocument ID/SizeRevisionRevision Date
ADT7462EBZEVB SoftwareADT7462EBZEVB_SOFTWARE.ZIP (5800.0kB)0
Package Drawings (1)
Document TitleDocument ID/SizeRevision
LFCSP32, 5x5, 0.5P932AE (58.5kB)A
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
Flexible Temperature and Voltage Monitor and System Fan ControllerADT7462/D (624kB)5
Evaluation Board Documents (4)
Document TitleDocument ID/SizeRevisionRevision Date
ADT7462EBZEVB Bill of Materials ROHS CompliantADT7462EBZEVB_BOM_ROHS.PDF (81.0kB)0
ADT7462EBZEVB Gerber Layout Files (Zip Format)ADT7462EBZEVB_GERBER.ZIP (436.0kB)0
ADT7462EBZEVB SchematicADT7462EBZEVB_SCHEMATIC.PDF (773.0kB)0
ADT7462EBZEVB Test ProcedureADT7462EBZEVB_TEST_PROCEDURE.PDF (372.0kB)0
Evaluation/Development Tool Information
ProductStatusComplianceShort Description
ADT7462EBZEVBActiveFlexible Systems Monitor IC Evaluation Board
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
ADT7462ACPZ-5RL7Last ShipmentsPb-free Halide freeLFCSP-32932AE3Tape and Reel500
ADT7462ACPZ-R7Last ShipmentsPb-free Halide freeLFCSP-32932AE3Tape and Reel1500
ADT7462ACPZ-REELActivePb-free Halide freeLFCSP-32932AE3Tape and Reel5000$2.89
Specifications
ProductData Transmission StandardICC Max (mA)VCC Min (V)VCC Max (V)T Min (°C)T Max (°C)
ADT7462ACPZ-REELSMBus435.5-40125
Flexible Temperature and Voltage Monitor and System Fan Controller (624kB) ADT7462
ADT7462EBZEVB SOFTWARE ADT7462EBZEVB
ADT7462EBZEVB BOM ROHS ADT7462EBZEVB
ADT7462EBZEVB GERBER ADT7462EBZEVB
ADT7462EBZEVB SCHEMATIC ADT7462EBZEVB
ADT7462EBZEVB TEST PROCEDURE ADT7462EBZEVB
LFCSP32, 5x5, 0.5P ADT7462