Technology Front
First Scalable Brushed DC Gate Driver
Published: Jul 01,20151211 Read
Texas Instruments (TI) introduced an integrated gate driver that offers adjustable gate drive settings with the flexibility to drive a wide range of external field-effect transistors (FETs), supporting multiple motors, speeds or varying loads. The DRV8701 enables de-signers to scale their platforms using a single gate driver across various brushed DC motor models in equipment such as white goods, household appliances, robotics, home automation, power tools, and industrial pumps and valves.
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With its adjustable gate drive, advanced protection features and other integrated compo-nents, the DRV8701 brushed DC gate driver allows designers to replace up to 45 discrete components with a single device to build smaller and more robust designs.
Engineers can test the new gate driver in their system with the DRV8701EVM evaluation module, which also incorporates the MSP430G2553 ultra-low power microcontroller and CSD18532Q5B NexFET power MOSFET. The EVM supports up to 15-A current in a compact form factor that is about the size of a business card. It is available for purchase for US$49 via the TI store and authorized distributors.
Features :
－ System flexibility and scalability
－ Reduces board space and system complexity
－ Higher system reliability
－ Wide operating voltage
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