MAX31760

PRODUCTION

Precision Fan-Speed Controller with Nonvolatile Lookup Table

Customizable Lookup Table-Based Fan Controller Enables Smooth Control of Fan Speed to Reduce Acoustic Noise

Part Models
2
1ku List Price
Starting From $1.24
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Part Details

  • Operating Settings Stored in Nonvolatile Memory for Automatic Operation at Power-On
  • 48-Step Nonvolatile LUT Maps Temperature to PWM Duty Cycle
  • Smooth PWM Duty-Cycle Transitions Minimize Audibility of Fan Noise
  • Two Tachometer Inputs for Measuring the RPM of Two Fans Independently
  • Active-Low FF/FS Pin Multiplexes Fan-Failure Output with Full-Speed Fan-Drive Input
  • Accurately Senses Remote and Local Temperature
  • Programmable Thermal Diode Ideality Factor Minimizes Ideality Factor Mismatch
  • Automatic Series Resistance Cancellation
  • Dedicated Active-Low ALERT Pin for Temperature Faults
  • Active-Low SHDN Pin Available for System Overtemperature Shutdown
  • 3.0V to 3.6V Operating Voltage Range
  • -40°C to +125°C Operating Temperature Range
MAX31760
Precision Fan-Speed Controller with Nonvolatile Lookup Table
MAX31760: Typical Application Circuit
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Software Resources


Tools & Simulations


Evaluation Kits

MAX31760EVKIT

Evaluation Kit for the MAX31760

Features and Benefits

  • Controls and Monitors Up to Two Fans
  • 2-Wire, 3-Wire, and 4-Wire Fan Configurations
  • EV Kit Hardware is USB Powered (USB Cable Included)
  • USB HID Interface
  • Windows XP®-, and Windows® 7-Compatible Software
  • RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX31760 evaluation kit (EV kit) provides the hardware and software graphical user interface (GUI) necessary to evaluate the MAX31760 precision fan-speed controller with nonvolatile lookup table.

The EV kit comes with a MAX31760AEE+ installed, as well as mounting holes and headers for 4-wire, 3-wire, and 2-wire fans. The kit also includes a USB-to-I2C interface for easy communication with a PC. 

Applications

  • NAS/DAS
  • Networking Equipment
  • Servers
  • STB/DVR

MAX31760EVKIT
Evaluation Kit for the MAX31760

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