MAX6641

PRODUCTION

SMBus-Compatible Temperature Monitor with Automatic PWM Fan-Speed Controller

Industry's Smallest, Single Temperature Sensor and Fan Controller in MSOP Package

Data Sheet (Rev. 1) Product Selection Table
Part Models
4
1ku List Price
Starting From $1.83
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Part Details

  • Tiny 3mm x 5mm µMAX Package
  • Thermal Diode Input
  • Local Temperature Sensor
  • Open-Drain PWM Output for Fan Drive
  • Programmable Fan Control Characteristics
  • Automatic Fan Spin-Up Ensures Fan Start
  • ±1°C Remote Temperature Accuracy (+60°C to +145°C)
  • Controlled Rate of Change Ensures Unobtrusive Fan-Speed Adjustments
  • Temperature Monitoring Begins at Power-On for Fail-Safe System Protection
  • Active-Low OT Output for Throttling or Shutdown
MAX6641
SMBus-Compatible Temperature Monitor with Automatic PWM Fan-Speed Controller
MAX6641: Typical Application Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Application Note 1

Design Note 1

Technical Articles 2

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Hardware Ecosystem

Parts Product Life Cycle Description
Fan Speed Controllers 1
MAX6645
PRODUCTION Automatic PWM Fan-Speed Controllers with Overtemperature Output
Product 1
MAX6678
2-Channel Temperature Monitor with Dual Automatic PWM Fan-Speed Controller and Five GPIOs
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