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TDA5140A - Brushless DC motor drive circuit

TDA5140A Description

INTEGRATED CIRCUITS DATA SHEET TDA5140A Brushless DC motor drive circuit Product speciļ¬cation 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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