TI: small gate driver and power MOSFET solution for motor control

Texas Instruments introduced two new device families that help reduce size and weight in motor drive applications. When used together, DRV832x brushless DC gate drivers and CSD88584/99 NexFET Power Blocks require as little as 511 mm², half the board space of competing solutions. The DRV832x BLDC gate drivers feature a smart gate-drive architecture that eliminates up to 24 components traditionally used to set the gate drive current while enabling designers to easily adjust field-effect transistor switching to optimize power loss and electromagnetic compliance. The CSD88584Q5DC and CSD88599Q5DC power blocks leverage two FETs in a unique stacked-die configuration, which doubles power density and minimizes the FET resistance and parasitic inductances typically found in side-by-side FET configurations.

An 18-volt compact BLDC motor reference design demonstrates how the DRV8323 gate driver and CSD88584Q5DC power block can drive 11 W/cm3 power and enable engineers to jump-start their designs for smaller, lighter-weight power tools, integrated motor modules, drones and more.

In addition to the 18-volt BLDC motor reference design, engineers can search for other motor reference designs that use the power blocks and gate drivers to help solve their system design challenges. The three-phase smart gate-driver evaluation module allows designers to drive a 15-A, three-phase BLDC motor using the DRV8323R gate driver, CSD88599Q5DC power block and MSP430F5529 microcontroller LaunchPad development kit.

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