System Fan Controller with Flexible Temperature and Voltage Monitor

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Overview

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.

  • Thermal Management
  • Notebook and Desktop Computers
  • Game Consoles
  • RFID Readers
  • Multi-Channel Analog Receiver/Amplifier
  • 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

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Product

Status

ECAD Models

Compliance

Package Type

Case Outline

MSL Type

MSL Temp (°C)

Container Type

Container Qty.

ON Target

Data Transmission Standard

ICC Max (mA)

VCC Min (V)

VCC Max (V)

T Min (°C)

T Max (°C)

Pricing ($/Unit)

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ADT7462ACPZ-REEL

Active

Pb

A

H

P

LFCSP-32

3

260

REEL

5000

Y

SMBus

4

3

5.5

-40

125

$4.5665

More Details

ADT7462ACPZ-R7

Obsolete

Pb

A

H

P

LFCSP-32

3

260

REEL

1500

N

SMBus

4

3

5.5

-40

125

Price N/A

More Details

ADT7462ACPZ-5RL7

Obsolete

Pb

A

H

P

LFCSP-32

3

260

REEL

500

N

SMBus

4

3

5.5

-40

125

Price N/A

More Details

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