MAX6643LBBAEE+T The MAX6643LBBAEE+T is a fan speed controller from Analog Devices / Maxim Integrated. It features internal and external temperature sensing and operates from 3V to 5.5V.
Mfr Part #:

MAX6643LBBAEE+T

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX6643LBBAEE+T is a fan speed controller from Analog Devices / Maxim Integrated. It features internal and external temperature sensing and operates from 3V to 5.5V.
Total Stock: 20,089 pcs
$ Price Range: $2.06

MAX6643LBBAEE+T Available from 1 distributor

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MAX6643LBBAEE+T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Function
Mounting Type
Operating Temperature
Output Alarm
Output Fan
Output Type
SVHC Present
Sensing Temperature
Sensor Type
Supplier Device Package
Supply Current
Topology
Voltage

MAX6643LBBAEE+T Description

Short technical summary and product information.

The MAX6643LBBAEE+T is an integrated circuit designed for automatic fan speed control and temperature monitoring. It operates within a supply voltage range of 3.0V to 5.5V and consumes a typical supply current of 500μA.

 

This device features both internal and external temperature sensing capabilities, allowing for flexible system integration. It provides a PWM output to modulate fan speed based on system cooling needs, ensuring optimum performance while minimizing acoustic noise. The operating temperature range is -40°C to 125°C.

 

Key features include a 2°C temperature measurement accuracy, selectable trip temperatures, and an overtemperature output for warning or system shutdown. It also includes a FANFAIL output to indicate a failed fan. The MAX6643LBBAEE+T is available in a 16-QSOP package, suitable for surface mounting.

 

Applications for this component include networking equipment, storage equipment, servers, desktop computers, and workstations where efficient thermal management is critical.

MAX6643LBBAEE+T Quick Information

Product Type: Fan Speed Controller
Canonical Name: MAX6643LBBAEE+T Fan Speed Controller
Subcategory: Thermal Management ICs

MAX6643LBBAEE+T Compliance

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

MAX6643LBBAEE+T Estimated Pricing

Qty Low High
1+ $2.06 $2.06

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

MAX6643LBBAEE+T Features

  • Automatic fan speed control.
  • Internal and external temperature sensing.
  • Operates from 3.0V to 5.5V supply.
  • 16-QSOP package for surface mounting.
  • Overtemperature and fan failure outputs.

MAX6643LBBAEE+T Applications

  • System thermal management in computing equipment.
  • Fan speed control for power supplies.
  • Temperature monitoring in embedded systems.
  • Laptop and desktop cooling fan control.
  • Server and telecom equipment thermal monitoring.

MAX6643LBBAEE+T FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the MAX6643LBBAEE+T?

The supply voltage range is 3V to 5.5V.

What is the operating temperature range?

The operating temperature range is -40°C to +125°C.

What package options are available?

The device is available in 16-QSOP and 16-SSOP (0.154", 3.90mm width) surface-mount packages.

What is the typical supply current?

The typical supply current is 500μA.

What is the temperature measurement accuracy?

Typical accuracy is ±2°C; maximum accuracy is ±3.5°C local and ±3°C remote.

What output types does the device provide?

It provides a PWM fan output and an alarm output.

What functions does the device support?

It supports fan control and temperature monitoring, with an ADC, PWM generator, and tachometer counter.

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