ADT7490ARQZ The ADT7490ARQZ from On Semiconductor is a thermal monitor and fan controller IC. It features multiple temperature sensors and fan control outputs for active system cooling.
Mfr Part #:

ADT7490ARQZ

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ADT7490ARQZ from On Semiconductor is a thermal monitor and fan controller IC. It features multiple temperature sensors and fan control outputs for active system cooling.
✓ Total Stock: 5,415 pcs
$ Price Range: $2.06

ADT7490ARQZ Available from 1 distributor

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✓ Non-Authorised
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ADT7490ARQZ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Function
Mounting Type
Operating Temperature
Output Alarm
Output Fan
Output Type
Sensing Temperature
Sensor Type
Supplier Device Package
Supplier Package
Topology
Voltage

ADT7490ARQZ Description

Short technical summary and product information.

The ADT7490ARQZ by On Semiconductor is an integrated circuit designed for thermal management in noise-sensitive and power-sensitive applications. It includes a local on-chip temperature sensor and two remote temperature sensors with series resistance cancellation. The device also monitors CPU temperature via a PECI interface.

 

This IC offers versatile fan control capabilities, capable of driving up to three fans using high or low frequency PWM outputs. It features four TACH inputs for measuring fan speed and an automatic fan speed control loop that optimizes operation based on thermal information. The ADT7490ARQZ provides critical thermal protection using a bidirectional THERM/SMBALERT pin and supports GPIO functionality for additional features.

 

With a voltage range of 3V to 3.6V and an operating temperature range of -40°C to 125°C, the ADT7490ARQZ is suitable for demanding environments. It is packaged in a 24-QSOP surface mount configuration, offering a compact solution for PC and server applications. The device also includes IMON monitoring for CPU current and power information.

ADT7490ARQZ Quick Information

Product Type: Thermal Management IC
Canonical Name: ADT7490ARQZ Thermal Monitor and Fan Controller
Subcategory: Thermal Management ICs

ADT7490ARQZ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ADT7490ARQZ Estimated Pricing

Qty Low High
1+ $2.06 $2.06

Estimated market price range - modelled values for guidance only, not live distributor offers.

ADT7490ARQZ Features

  • Monitors local and remote temperatures.
  • Controls up to three PWM fans.
  • Features PECI interface for CPU monitoring.
  • Wide operating temperature range.
  • SMBus interface for communication.

ADT7490ARQZ Applications

  • Ideal for PC thermal management.
  • Suitable for server cooling systems.
  • Enables noise-sensitive applications.
  • Supports power-sensitive designs.

ADT7490ARQZ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage for the ADT7490ARQZ?

The operating voltage is 3V to 3.6V.

What package type is the ADT7490ARQZ available in?

The ADT7490ARQZ is available in a 24-QSOP package.

What is the operating temperature range of the ADT7490ARQZ?

The operating temperature range is -40°C to 125°C.

Does the ADT7490ARQZ have RoHS compliance?

The RoHS status is RoHS3 Compliant.

How many local and remote temperature sensors does the ADT7490ARQZ have?

It has 1 local on-chip temperature sensor and 2 remote temperature sensors.

What is the accuracy of the temperature sensors?

The accuracy is ±1.5°C maximum.

How many PWM fan outputs does the ADT7490ARQZ support?

It supports 3 PWM outputs for fan control.

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