Dual full-bridge PWM motor driver IC save PCB space
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By
Graham Prophet
Each DC motor can be controlled in forward, reverse, coast and brake modes with industry standard PHASE and ENABLE inputs. Fast or slow PWM current decay is selected via the MODE input. This device is targeted at the consumer, industrial and office automation markets.
Protection features include thermal shutdown with hysteresis, undervoltage lockout (UVLO), crossover current, and overcurrent protection. Low current sleep mode is included to improve efficiency. Two drivers in one package share charge pump components to save PCB space.
The A5995 is supplied in a leadless 6 x 6 x 0.9 mm, 36-pin QFN package with exposed power tab for enhanced thermal performance.
Allegro MicroSystems; www.allegromicro.com
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