MAX6620

PRODUCTION

Quad Linear Fan-Speed Controller

Industry’s First Linear Fan Controller with RPM Control—Controls Up to Four Fans with a Single IC

Data Sheet (Rev. 1) Product Selection Table
Part Models
2
1ku List Price
Starting From $3.56
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Part Details

  • Controls Up to Four Independent Fans with Linear (DC) Drive
  • Uses Four External Low-Cost Pass Transistors
  • 1% Accuracy Precision RPM Control
  • Controlled Voltage Rate-Of-Change for Best Acoustics
  • I²C Bus Interface
  • 3.0V to 5.5V Supply Voltage Range
  • 250µA (typ) Operating Supply Current
  • 3µA (typ) Shutdown Supply Current
  • Small 5mm x 5mm Footprint
MAX6620
Quad Linear Fan-Speed Controller
MAX6620: Typical Application Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 4

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Software Resources

Device Drivers 1

Hardware Ecosystem

Parts Product Life Cycle Description
Fan Speed Controllers 4
MAX6650
PRODUCTION Fan-Speed Regulators and Monitors with SMBus/I²C-Compatible Interface
MAX6651
PRODUCTION Fan-Speed Regulators and Monitors with SMBus/I²C-Compatible Interface
MAX6660
PRODUCTION Remote-Junction Temperature-Controlled Fan-Speed Regulator with SMBus Interface
MAX6639
PRODUCTION 2-Channel Temperature Monitor with Dual, Automatic, PWM Fan-Speed Controller
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Tools & Simulations

Software Development 1

IBIS Model 1

Evaluation Kits

MAX6620EVCMAXQU

Evaluation Kit/Evaluation System for the MAX6620

Buy Now View Details

Features and Benefits

  • 3V to 5.5V Supply Voltage Range
  • Controls Up to Four Independent Fans with Linear (DC) Drive
  • Uses Four External Low-Cost PNP Pass Transistors
  • Fan-Fail Output
  • I²C/SMBus-Compatible Interface
  • Fully Assembled and Tested

Product Details

The MAX6620 evaluation system (MAX6620EVCMAXQU+) consists of the MAX6620 evaluation kit (MAX6620EVKIT+) and the Maxim CMAXQUSB+ command module. Windows 2000/XP/Vista®-compatible software is also available for use with the MAX6620 evaluation system (EV system) and can be downloaded from the Maxim website (www.maximintegrated.com/evkitsoftware).

The MAX6620 evaluation kit (EV kit) is a fully assembled and tested printed-circuit board (PCB) that evaluates the MAX6620 quad linear fan-speed controller. The MAX6620 controls the speeds of up to four fans using four independent linear voltage outputs. The EV kit includes 3-pin fan headers to allow easy fan connection and an I²C/SMBus™-compatible interface that allows for software control of the drive voltage, tachometer count, fan configuration, and fan dynamics.

The Maxim CMAXQUSB command module provides the I²C/SMBus interface and is connected to the computer through the universal serial bus (USB) port. The MAX6620 EV kit software provides a graphical user interface (GUI) for exercising the MAX6620 features.

Applications

  • Communications Equipment
  • Consumer Products
  • Servers
  • Storage Equipment

MAX6620EVKIT

Evaluation Kit/Evaluation System for the MAX6620

Buy Now View Details

Features and Benefits

  • 3V to 5.5V Supply Voltage Range
  • Controls Up to Four Independent Fans with Linear (DC) Drive
  • Uses Four External Low-Cost PNP Pass Transistors
  • Fan-Fail Output
  • I²C/SMBus-Compatible Interface
  • Fully Assembled and Tested

Product Details

The MAX6620 evaluation system (MAX6620EVCMAXQU+) consists of the MAX6620 evaluation kit (MAX6620EVKIT+) and the Maxim CMAXQUSB+ command module. Windows 2000/XP/Vista®-compatible software is also available for use with the MAX6620 evaluation system (EV system) and can be downloaded from the Maxim website (www.maximintegrated.com/evkitsoftware).

The MAX6620 evaluation kit (EV kit) is a fully assembled and tested printed-circuit board (PCB) that evaluates the MAX6620 quad linear fan-speed controller. The MAX6620 controls the speeds of up to four fans using four independent linear voltage outputs. The EV kit includes 3-pin fan headers to allow easy fan connection and an I²C/SMBus™-compatible interface that allows for software control of the drive voltage, tachometer count, fan configuration, and fan dynamics.

The Maxim CMAXQUSB command module provides the I²C/SMBus interface and is connected to the computer through the universal serial bus (USB) port. The MAX6620 EV kit software provides a graphical user interface (GUI) for exercising the MAX6620 features.

Applications

  • Communications Equipment
  • Consumer Products
  • Servers
  • Storage Equipment
MAX6620EVCMAXQU
Evaluation Kit/Evaluation System for the MAX6620
MAX6620EVKIT
Evaluation Kit/Evaluation System for the MAX6620

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