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ADT7473ARQZ The ON Semiconductor ADT7473ARQZ is a thermal monitor and fan controller IC. It operates from 3V to 3.6V and has an operating temperature range of -40°C to 125°C.
Mfr Part #:

ADT7473ARQZ

Available from 4 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor ADT7473ARQZ is a thermal monitor and fan controller IC. It operates from 3V to 3.6V and has an operating temperature range of -40°C to 125°C.
✓ Total Stock: 6,172 pcs
$ Price Range: $2.06

ADT7473ARQZ Available from 4 distributors

✓ Authorised
✓ Non-Authorised
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

ADT7473ARQZ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Function
Halogen Free
Mounting Type
Operating Temperature
Output Alarm
Output Fan
Output Type
Sensing Temperature
Sensor Type
Supplier Device Package
Topology
Voltage
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ADT7473ARQZ Description

Short technical summary and product information.

The ADT7473ARQZ from ON Semiconductor is an integrated circuit designed for thermal monitoring and multi-fan control in noise-sensitive or power-sensitive applications. This device can manage up to four fans, driving them with either high or low frequency signals to optimize system cooling while minimizing acoustic noise.

 

It features the ability to monitor its own internal temperature as well as up to two remote sensor diodes. The ADT7473ARQZ offers an extended temperature measurement range, up to 191°C, and provides critical thermal protection through a bidirectional THERM pin. The device supports both 3-wire and 4-wire fan speed measurements and meets SMBus 2.0 electrical specifications.

 

Packaged in a 16-QSOP and designed for surface mounting, the ADT7473ARQZ operates within a voltage range of 3V to 3.6V and has an operating temperature range of -40°C to 125°C. Its functionality includes an ADC, comparator, fan speed counter, multiplexer, and register bank, making it a versatile solution for active system cooling.

ADT7473ARQZ Quick Information

Product Type: Thermal Management IC
Canonical Name: ADT7473ARQZ Thermal Monitor and Fan Controller
Subcategory: Thermal Management ICs

ADT7473ARQZ Compliance

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

ADT7473ARQZ Estimated Pricing

Qty Low High
1+ $2.06 $2.06

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

ADT7473ARQZ Features

  • Monitors up to four fans.
  • Controls fans with high/low frequency.
  • Monitors internal and two remote sensors.
  • Provides thermal protection.
  • Surface mount 16-QSOP package.

ADT7473ARQZ Applications

  • Optimizes fan speed for cooling.
  • Manages system acoustics intelligently.
  • Prevents system overheating.
  • Suitable for noise-sensitive applications.

ADT7473ARQZ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ADT7473ARQZ?

3V to 3.6V

What is the package type of the ADT7473ARQZ?

16-QSOP (also available as 16-SSOP)

What is the operating temperature range?

-40°C to 125°C

What functions does the ADT7473ARQZ perform?

Fan control and temperature monitoring.

What sensor types does the ADT7473ARQZ support?

Internal and external temperature sensors.

What is the temperature measurement accuracy?

±2.5%

What is the output interface?

SMBus.

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