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Si9979CS - 3-Phase Brushless DC Motor Controller

Description

The Si9979CS is a monolithic brushless dc motor controller with integral high-side drive circuitry.

The Si9979 is configured to allow either 60 0 0r 120° commutation sensor spacing.

The internal low-voltage regulator allows operation over a wide input voltage range, 20- to 40-V dc.

Features

  • Hall-Effect Commutation.
  • 60.
  • or 120.
  • Sensor Spacing.
  • Integral High-Side Drive for all N-Channel MOSFET Bridges.
  • PWMInput.
  • Quadrature Selection.
  • Tachometer Output.
  • Reversible.
  • Braking.
  • Output Enable Control.
  • Cross Conduction Protection.
  • Current Limiting.
  • Undervoltage Lockout.
  • Internal Pull-Up Resistors.

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Datasheet preview – Si9979CS

Datasheet Details

Part number Si9979CS
Manufacturer TEMIC
File Size 428.21 KB
Description 3-Phase Brushless DC Motor Controller
Datasheet download datasheet Si9979CS Datasheet
Additional preview pages of the Si9979CS datasheet.

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Full PDF Text Transcription

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Si9979CS 3-Phase Brushless DC Motor Controller TEMIC Siliconix Features • Hall-Effect Commutation • 60· or 120· Sensor Spacing • Integral High-Side Drive for all N-Channel MOSFET Bridges • PWMInput • Quadrature Selection • Tachometer Output • Reversible • Braking • Output Enable Control • Cross Conduction Protection • Current Limiting • Undervoltage Lockout • Internal Pull-Up Resistors Description The Si9979CS is a monolithic brushless dc motor controller with integral high-side drive circuitry. The Si9979 is configured to allow either 60 0 0r 120° commutation sensor spacing. The internal low-voltage regulator allows operation over a wide input voltage range, 20- to 40-V dc. The Si9979CS provides commutation from Hall-effect sensors.
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