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Sensorless, Brushless DC Motor Drivers

Thu, 02/28/2013 - 12:41pm
PD&D Staff

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Texas Instruments (TI) (Dallas, TX) (NASDAQ:TXN) has introduced two 3-phase, brushless DC (BLDC) motor drivers that allow designers to spin motors in minutes rather than months. Traditional BLDC motor designs require five to 10 components, along with firmware. The sensorless 5-V, 680-mA DRV10866 and the 12-V, 1.5-A DRV11873 cuts this component count to one with no firmware required, significantly reducing board space and system costs, while helping customers speed their time to market. Features include:

  • A single motor driver that eliminates the need for external gate drivers, inverters, position detection, and feedback.
  • A microcontroller (MCU) and firmware to cut board space, system cost, and development time.
  • TI InstaSPIN-FAN motor solutions.
  • An operating voltage range of 1.65 to 5.5 V.
  • A low quiescent current of 5 uA.
  • Over-current, over-temperature, shoot-through, and under-voltage lock-out on-chip protection 

For more information visit www.ti.com/drv10866-pr.

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