Allegro MicroSystems

A4919 Three-Phase MOSFET Driver IC with On-Board Regulator

Allegro MicroSystems' A4919 three-phase MOSFET driver IC supplies both sensors and microprocessor power

Image of Allegro MicroSystems A4919 Three-Phase MOSFET Driver IC with On-Board RegulatorAllegro MicroSystems' A4919 is designed for a wide range of industrial applications. It can be controlled with block (trapezoidal), sinusoidal, or vector commutation when interfaced with a microprocessor. The A4919 is designed to be a simple direct control gate driver for both the commercial and industrial markets. It provides LDO for peripherals or a microprocessor, and provides complete flexibility over commutation.

Features
  • High-current three-phase gate drive for N-channel MOSFETs
  • 5.5 V to 50 V supply voltage range
  • Regulated logic supply voltage output option
  • Low-current sleep mode option
  • Motor phase short-to-supply and short-to-ground detection
  • Cross-conduction protection
  • Undervoltage and overtemperature monitors
Applications  
  • Lawn and garden equipment
  • Battery-operated power tools
  • Industrial grinders
  • Vacuum cleaners
  • Continuous positive airway pressure (CPAP) machines

A4919 Three-Phase MOSFET Driver IC with On-Board Regulator

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IC GATE DRVR HI/LOW SIDE 28TSSOPA4919GLPTR-TIC GATE DRVR HI/LOW SIDE 28TSSOP3996 - Immediate$2.50View Details
Published: 2018-03-13

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A4919 Three-Phase Controller Allegro A4919 three-phase controllers feature 5.5 V to 50 V supply voltage range as a high current 3-phase gate drive for N-channel MOSFETs.