Thursday, July 7, 2016
Motor Driver - DRV8834
I am designing a motor driver to drive a stepper motor AM1020-V-6-65. At first, I thought to use A4988 from Allegro. But its supply voltage of 8V - 35V is not suitable for a 6V motor, its chip size 5 mm x 5 mm is bigger than what I want. DRV8835 from TI has appealing 2 mm x 3 mm size but it is meant for DC motor and there is no indexer to support convenient control of stepper motors. Finally, DRV8834 with 4 mm x 4 mm size, motor supply voltage 2.5V - 10.8V, and current 1.5A per coil is chosen.
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