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MAX6645BAFAUB+T

IC CNTRLR FAN SPEED 10-UMAX

Product Category: Thermal Management
Mfr. Part #
MAX6645BAFAUB+T
Manufacturer: Maxim Integrated
Package: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Lead Free Status /RoHS Status:
Data Sheet: MAX6645BAFAUB+T Datasheet
Inventory: In Stock

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Mfr. Part #: MAX6645BAFAUB+T

Specifications
Product Details

Specifications

Manufacturer Maxim Integrated

Product Category Thermal Management

Series -

Packaging Tape & Reel (TR)

Package-Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

Operating-Temperature -40Â°C ~ 125Â°C

Mounting-Type Surface Mount

Output-Type PWM

Function Fan Control, Temp Monitor

Voltage-Supply 3 V ~ 5.5 V

Supplier-Device-Package 10-uMAX

Topology ADC, PWM Generator, Tach Counter

Accuracy Â±3.5Â°C Local(Max), Â±3Â°C Remote(Max)

Sensor-Type Internal and External

Temperature Sensor -40Â°C ~ 125Â°C, External Sensor

Output-Alarm Yes

Output-Fan Yes

Product Details

General Description

The MAX6643/MAX6644/MAX6645 monitor temperature and automatically adjust fan speed to ensure optimum cooling while minimizing acoustic noise from the fan. Each device measures two temperature locations.

Features

â™¦ Simple, Automatic Fan-Speed Control
â™¦ Internal and External Temperature Sensing
â™¦ Detect Fan Failure Through Locked-Rotor Output, Tachometer Output, or Fan-Supply Current Sensing
â™¦ Multiple, 1.6% Output Duty-Cycle Steps for Low Audibility of Fan-Speed Changes
â™¦ Pin-Selectable or Factory-Selectable LowTemperature Fan Threshold
â™¦ Pin-Selectable or Factory-Selectable HighTemperature Fan Threshold
â™¦ Spin-Up Time Ensures Fan Start
â™¦ Fan-Start Delay Minimizes Power-Supply Load at Power-Up
â™¦ 32Hz PWM Output
â™¦ Controlled Duty-Cycle Rate-of-Change Ensures Good Acoustic Performance
â™¦ 2Â°C Temperature-Measurement Accuracy
â™¦ FULLSPD/FULLSPD Input Sets PWM to 100%
â™¦ Pin-Selectable OT Output Threshold
â™¦ 16-Pin QSOP and 10-Pin ÂµMAX Packages

Applications

Networking Equipment
Storage Equipment
Servers
Desktop Computers
Workstations

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Mfr. Part #: MAX6645BAFAUB+T