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MAX6620ATI+

Linear Fan Speed Controller, DC, 3 V to 5.5 V supply, I2C Interface, 1% ACC RPM, 4 Outputs, TQFN-28

MAXIM INTEGRATED PRODUCTS MAX6620ATI+
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Manufacturer Part No:
MAX6620ATI+
Newark Part No.:
73Y5533
Technical Datasheet:
MAX6620ATI+   Datasheet
See all Technical Docs

Product Overview

The MAX6620ATI+ is a quad linear fan-speed controller in 28 pin TQFN package. It controls the speeds of up to four fans using four independent linear voltage outputs. The drive voltages for the fans are controlled directly over the I2C interface. Each output drives the base of an external bipolar transistor or the gate of a FET in high-side drive configuration. Voltage feedback at the fan’s power supply terminal is used to force the correct output voltage. It offers two methods for fan control. In RPM mode, IC monitors four fan tachometer logic outputs for precise (±1%) control of fan RPM and detection of fan failure. In DAC mode, each fan is driven with a voltage resolution of 9bits and the tachometer outputs of the fans are monitored for failure. It is used in storage equipment and servers.
  • Supply voltage range is 3V to 5.5V
  • Operating temperature range from -40°C to 125°C
  • 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
  • 250µA (typ) operating supply current
  • 3µA (typ) shutdown supply current

Applications

Motor Drive & Control

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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DC

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4Outputs

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-

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-

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TQFN

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28Pins

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3V

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5.5V

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-40°C

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125°C

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-

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-

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MSL 1 - Unlimited
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Technical Docs (1)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Available for back order

More stock available to supplier lead times which is approximately 11/21/22

Delivery in 2-4 business days
(UK Stock)

$5.85

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