ALLEGRO BLDC MOTOR DRIVER DOWNLOAD

We’ll notify you when there are updates to this product. Operating mode and control parameters can be altered through an SPI compatible serial interface. Click the image to view larger. Further information about Allegro can be found at www. This innovative control interface combined with on-chip hall commutation makes it possible to efficiently control a BLDC motor with little or no micro processing power. Allegro MicroSystems, LLC is a leader in developing, manufacturing and marketing high-performance semiconductors.

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Allegro Microsystems – A Demo Board Press Release

allegr Faults are indicated by a single open drain output than can be used to pull the PWM input low. Integrated diagnostics provide indication of under voltage, over temperature and power bridge faults and can protect the power switches under most short circuit conditions.

Further information about Allegro can be found at www. Another feature on the evaluation board, which makes operation and evaluation simple, is the onboard 5 V regulator which creates the secondary supply for logic inputs.

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This innovative control interface combined with on-chip hall commutation makes it possible to efficiently control a BLDC motor with little or no micro processing power.

The sensorless start-up scheme allows the A to operate over a wide range of motor and load combinations. We’ll mottor you when there are updates to this product. The motor is driven using block commutation trapezoidal drive where phase commutation is determined, without the need for independent position sensors, by monitoring the motor back- EMF bemf. Operating mode and control parameters can be altered through an SPI compatible serial interface.

Allegro MicroSystems – Motor Driver and Interface ICs

If this is not your local representative, find your local sales rep here. The A evaluation kit is fully compliant to 50 V and includes everything needed to spin a motor – just provide a voltage supply and a motor and you mitor be able to see just how simple the A can be to control a BLDC motor with a simple analog voltage or direct PWM.

If larger loads are needed the A has jumpers that disable the onboard bridge and provide connections to add an external bridge. Several operational modes are available including duty-cycle voltage control, current torque limit control and closed loop aolegro control. Click the image to view larger.

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Allegro MicroSystems, LLC is a leader in developing, manufacturing and marketing high-performance semiconductors. Motor operation is controlled by a programmable PWM input that can be used to define the motor operating state and provide the proportional input for the selected operating mode.

This new development kit is targeted at both the industrial and consumer markets with end applications to include power tools, lawn and garden equipment, pumps, ticketing and ATM machines and household appliances. The A can be used as a stand-alone controller communicating directly with an electronic control unit ECU or it can be used in a close coupled system with a local microcontroller MCU.