Fully integrated drive reduces design complexity and PCB area compared to discrete solutions
Worcester, MA – Allegro MicroSystems, LLC announces the introduction of the new motor driver IC A5950 for DC motor pulse width modulation (PWM) control with a peak output current of ±3A and an operating voltage of up to 40V. The automotive market includes applications such as head-up displays, variable speed drives, door closures and engine thermal management. In addition, it can drive brushless DC motors in commercial markets for applications such as ATMs, robotic vacuum cleaners, printers, copiers, ticketing and vending machines.
The A5950 features an input termination design for controlling the speed, direction and torque of the DC motor via an external PWM control signal. The A5950 also integrates an internal synchronous rectification control circuit to reduce power consumption during PWM operation and provide a low current standby mode for efficiency. Internal circuit protection includes overcurrent protection, motor to ground or power short, hysteresis thermal shutdown, VBB undervoltage monitoring, and cross current protection. The diagnostics feature includes an analog output that can be used to monitor the current flowing through the external sense resistor and the open-drain FAULTn output.
The A5950 is available in a flat 4mm & TImes; 4mm, 16-contact QFN (suffix "EU") package, and is available with a tin-coated side (suffix "-J") or a 16-pin eTSSOP (suffix "LP"). Power solder tabs for enhanced thermal performance.
For pricing and other information on the A5950 device, please contact Allegro Shanghai.
About Allegro MicroSystems, LLCAllegro MicroSystems, LLC is a leader in the development, manufacture and sale of high performance semiconductors. Allegro's innovative solutions serve many high-growth applications in the automotive market, as well as office automation, industrial and consumer/communications. Headquartered in Worcester, Massachusetts, Allegro has design, application and sales support centers around the world. For more information on Allegro, please visit http://CN.
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