ADT7470
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ADT7470

Temperature Sensor Hub and Fan Controller

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Part Models 3
1ku List Price Starting From $2.77
Features
  • Monitors and Controls Speed of up to 4 Fans Independently
  • PWM Outputs Drive each Fan under Software Control
  • FULL_SPEED Input Allows Fans to be Blasted 100% by External Hardware
  • Tristate ADDR Pin Allows up to 3 Devices on a Single Bus
  • Monitors up to 10 Remote Temperature Sensors
  • SMBALERT Interrupt Signals Failures to System Controller
  • Temperature Decoder Interprets TMP05 / TMP06 Temperature Sensors and Communicates Values over I2C Bus
  • See datasheet for additional features
Additional Details
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The ADT74701 controller is a multichannel temperature sensor and PWM fan controller and fan speed monitor for systems requiring active cooling. It is designed to interface directly to an I2C® bus. The ADT7470 can monitor up to 10 daisy-chained TMP05 temperature sensors. It can also monitor and control the speed of four fans, in automatic or in manual control loops.

A FULL_SPEED input is provided to allow the fans to be blasted to maximum speed, via external hardware control, under extreme thermal conditions or on system startup. An SMBALERT interrupt communicates error conditions such as fan under speed and over temperature measurements to the system service processor. Individual error conditions can then be read from status registers over the I2C bus.

APPLICATIONS

  • Servers
  • Networking and telecommunications equipment
  • Desktops
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file View Data Sheet (Rev.E)
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Part Models 3
1ku List Price Starting From $2.77
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ADT7470

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Data Sheet

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UPDATED 11/30/2004
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ADT7470: Temperature Sensor Hub and Fan Controller Data Sheet (Rev.E)

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Technical Articles

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UPDATED 04/15/2004
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Celsius-to-digital thermometer works with remote sensor redirect icon

User Guide

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UPDATED 10/02/2012
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EVAL-ADT7470EB: ADT7470 Evaluation Board redirect icon

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Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
ADT7470ARQZ 16-Lead QSOP external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
ADT7470ARQZ-REEL 16-Lead QSOP external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link
ADT7470ARQZ-REEL7 16-Lead QSOP external-link
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  • Material Declaration external-link
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  • Reliablity Data external-link

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Product Lifecycle

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Aug 26, 2010

- 10_0001

Halogen Free Material Change for QSOP Products

ADT7470ARQZ

PRODUCTION

ADT7470ARQZ-REEL

PRODUCTION

ADT7470ARQZ-REEL7

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PCN10_0001_Form

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Material_Report

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Detailed Parts List

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Reliability Report

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Jul 21, 2009

- 09_0144

ADT7470 Data sheet functional description corrections

ADT7470ARQZ

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ADT7470ARQZ-REEL

PRODUCTION

ADT7470ARQZ-REEL7

PRODUCTION

pdf

ADT7470

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Material_Report

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PCN09_0144_Form

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Apr 8, 2009

- 09_0060

ADT7470 Metal mask edit

ADT7470ARQZ

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ADT7470ARQZ-REEL

PRODUCTION

ADT7470ARQZ-REEL7

PRODUCTION

pdf

Form

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xls

Material_Report

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Oct 10, 2008

- 08_0058

Wafer Fab transfer from 6" C5 Analog Devices, Ireland to 8" C5 TSMC, Taiwan

ADT7470ARQZ

PRODUCTION

ADT7470ARQZ-REEL

PRODUCTION

ADT7470ARQZ-REEL7

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08_0058RevA_PL

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Material_Report.csv

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RQR03610A

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Aug 26, 2010

- 10_0001

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Halogen Free Material Change for QSOP Products

ADT7470ARQZ

PRODUCTION

ADT7470ARQZ-REEL

PRODUCTION

ADT7470ARQZ-REEL7

PRODUCTION

pdf

PCN10_0001_Form

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xls

Material_Report

Download

pdf

Detailed Parts List

external-icon

pdf

Reliability Report

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Jul 21, 2009

- 09_0144

arrow down

ADT7470 Data sheet functional description corrections

ADT7470ARQZ

PRODUCTION

ADT7470ARQZ-REEL

PRODUCTION

ADT7470ARQZ-REEL7

PRODUCTION

pdf

ADT7470

external-icon

xls

Material_Report

Download

pdf

PCN09_0144_Form

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Apr 8, 2009

- 09_0060

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ADT7470 Metal mask edit

ADT7470ARQZ

PRODUCTION

ADT7470ARQZ-REEL

PRODUCTION

ADT7470ARQZ-REEL7

PRODUCTION

pdf

Form

external-icon

xls

Material_Report

Download
Oct 10, 2008

- 08_0058

arrow down

Wafer Fab transfer from 6" C5 Analog Devices, Ireland to 8" C5 TSMC, Taiwan

ADT7470ARQZ

PRODUCTION

ADT7470ARQZ-REEL

PRODUCTION

ADT7470ARQZ-REEL7

PRODUCTION

xls

08_0058RevA_PL

Download

pdf

Form

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Material_Report.csv

pdf

RQR03610A

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Evaluation Kits 1

EVAL-ADT7470

ADT7470 Evaluation Board

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EVAL-ADT7470

ADT7470 Evaluation Board

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EVAL-ADT7470
ADT7470 Evaluation Board

Features and Benefits

  • On-board and remote temperature sensing
  • On-board and remote fan control
  • No calibration necessary
  • Programmable over/under temperature limits
  • USB serial interface
  • Supports SMBus Alert
  • 3 V to 5.5 V supply
  • 16-lead QSOP
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Product Detail

The ADT7470 evaluation board is a multi-functional board which includes fan control and monitoring functions in addition to temperature sensing using on board TMP05's. All I/O functionality of the ADT7470 can be exercised without using any external components.


Please note: This Evaluation software does not run on Windows 8 or Windows 10 (USB driver is non-compliant with OS >Windows 7).

Resources

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EVAL-ADT7470EB: ADT7470 Evaluation Board Download

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Evaluation Kits1

EVAL-ADT7470

ADT7470 Evaluation Board

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