TDA5143T Datasheet PDF (Brushless DC motor drive circuit)

TDA5143T - Brushless DC motor drive circuit

Description

The TDA5143T 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 technique to sense the rotor position.

Features

Full-wave commutation (using push/pull drivers at the output stages) without position sensors.
Built-in start-up circuitry.
Three push-pull outputs:.
output current 0.85 A (typ. ).
low saturation voltage.
built-in current limiter.
soft-switching outputs for low Electromagnetic Interference (EMI).
Thermal protection.
Flyback diodes.
Tacho output without extra sensor.
Transconductance amplifier for a.

Datasheet Details

Part number	TDA5143T
Manufacturer	NXP
File Size	149.81 KB
Description	Brushless DC motor drive circuit
Datasheet	TDA5143T Datasheet
Additional preview pages of the TDA5143T datasheet.

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Full PDF Text Transcription

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INTEGRATED CIRCUITS DATA SHEET TDA5143T Brushless DC motor drive circuit Product speciﬁcation Supersedes data of March 1992 File under Integrated Circuits, IC11 June 1994 Philips Semiconductors Philips Semiconductors Product speciﬁcation Brushless DC motor drive circuit FEATURES • Full-wave commutation (using push/pull drivers at the output stages) without position sensors • Built-in start-up circuitry • Three push-pull outputs: – output current 0.85 A (typ.) – low saturation voltage – built-in current limiter – soft-switching outputs for low Electromagnetic Interference (EMI) • Thermal protection • Flyback diodes • Tacho output without extra sensor • Transconductance amplifier for an external control transistor. QUICK REFERENCE DATA Measured over full voltage and temperature range.

Published: Apr 23, 2005 |