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TDA5341 - Brushless DC motor and VCM drive circuit with speed control

Description

The TDA5341 is a BiCMOS integrated circuit used to drive brushless DC motors in full-wave mode.

The device senses the rotor position using an EMF sensing technique and is ideally suited as a drive circuit for a hard disk drive motor.

Features

  • Full-wave commutation (using push-pull output stages) without position sensors.
  • Built-in start-up circuitry.
  • Three push-pull MOS outputs:.
  • 1 A output current.
  • Low voltage drop.
  • Built-in current limiter.
  • Thermal protection.
  • General purpose operational amplifier.
  • Reset generator.
  • Motor brake facility.
  • Actuator driver (H-bridge current-controlled).
  • Power-down detector.
  • Automatic par.

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Datasheet preview – TDA5341

Datasheet Details

Part number TDA5341
Manufacturer NXP
File Size 169.35 KB
Description Brushless DC motor and VCM drive circuit with speed control
Datasheet download datasheet TDA5341 Datasheet
Additional preview pages of the TDA5341 datasheet.

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Full PDF Text Transcription

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INTEGRATED CIRCUITS DATA SHEET TDA5341 Brushless DC motor and VCM drive circuit with speed control Product specification File under Integrated Circuits, IC11 1997 Jul 10 Philips Semiconductors Product specification Brushless DC motor and VCM drive circuit with speed control FEATURES • Full-wave commutation (using push-pull output stages) without position sensors • Built-in start-up circuitry • Three push-pull MOS outputs: – 1 A output current – Low voltage drop – Built-in current limiter • Thermal protection • General purpose operational amplifier • Reset generator • Motor brake facility • Actuator driver (H-bridge current-controlled) • Power-down detector • Automatic park and brake procedure • Adjustable park voltage • Sleep mode • Speed control with Frequency-Locked Loop (FLL) • Seria
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