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TDF5140A - Brushless DC motor drive circuit

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NXP

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TDF5140A Brushless DC motor drive circuit by NXP - Datasheet Preview — Datasheet preview – TDF5140A

Datasheet Details

Part number	TDF5140A
Manufacturer	NXP
File Size	120.73 KB
Description	Brushless DC motor drive circuit
Datasheet	TDF5140A Datasheet
Additional preview pages of the TDF5140A datasheet.

TDF5140A Product details

Description

APPLICATIONS VCR Laser beam printer Fax machine Blower

Automotive.

The TDF5140A is a bipolar integrated circuit used to drive 3-phase brushless DC motors in full-wave mode.

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 protection.
Flyback diodes.
Tacho output without extra sensor.
Position pulse stage for phase-locked-loop control.
Transconductance amplifier for an external contr.

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Published: Apr 16, 2005 |