TDF5140A Datasheet (NXP) - Brushless DC motor drive circuit

TDF5140A, Brushless DC motor drive circuit

APPLICATIONS * VCR * Laser beam printer * Fax machine * Blower * Automotive.

TDF5140A The TDF5140A 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

TDF5140A 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