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TDA5140A - Brushless DC motor drive circuit

TDA5140A Description

INTEGRATED CIRCUITS DATA SHEET TDA5140A Brushless DC motor drive circuit Product specification Supersedes data of March 1992 File under Integrated Ci.
APPLICATIONS. VCR. Laser beam printer. Fax machine. Blower. Automotive.

TDA5140A Features

* Full-wave commutation (using push/pull drivers at the output stages) without position sensors
* Built-in start-up circuitry
* Three push-pull outputs:
* 0.8 A output current (typ. )
* low saturation voltage
* built-in current limiter
* Thermal

TDA5140A Applications

* VCR
* Laser beam printer
* Fax machine
* Blower
* Automotive. TDA5140A The TDA5140A is a bipolar integrated circuit used to drive 3-phase brushless DC motors in full-wave mode. The device is sensorless (saving of 3 hall-sensors) using the back-EMF sensing

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