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SI9979 - 3-Phase Brushless DC Motor Controller

Description

The Si9979 is a monolithic brushless dc motor controller with integral high-side drive circuitry.

The Si9979 is configured to allow either 60 or 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 PWM Input 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 – SI9979

Datasheet Details

Part number SI9979
Manufacturer Vishay Siliconix
File Size 314.70 KB
Description 3-Phase Brushless DC Motor Controller
Datasheet download datasheet SI9979 Datasheet
Additional preview pages of the SI9979 datasheet.

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Full PDF Text Transcription

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End of Life. Last Available Purchase Date is 31-Dec-2014 Si9979 Vishay Siliconix 3-Phase Brushless DC Motor Controller FEATURES Hall-Effect Commutation 60 or 120 Sensor Spacing Integral High-Side Drive for all N-Channel MOSFET Bridges PWM Input Quadrature Selection Tachometer Output Reversible Braking Output Enable Control Cross Conduction Protection Current Limiting Undervoltage Lockout Internal Pull-Up Resistors DESCRIPTION The Si9979 is a monolithic brushless dc motor controller with integral high-side drive circuitry. The Si9979 is configured to allow either 60 or 120 commutation sensor spacing. The internal low-voltage regulator allows operation over a wide input voltage range, 20- to 40-V dc. The Si9979 provides commutation from Hall-effect sensors.
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