EE Product News

PWM Generator Keeps Things Running Smooth

Generating PWM waveforms at frequencies up to 40 kHz, the MC73110 motor controller promises to lower torque ripple while maintaining smooth operation. The single-axis device provides digital velocity and torque control for brushless dc motors and requires just a MOSFET or IGBT triple half bridge to create a complete intelligent motor controller. It operates in one of three modes: internal velocity profile mode, velocity mode with an external command signal, and torque mode with an external command signal. Other features include software-programmable velocity and current loops, 6-step and sinusoidal commutation, analog or digital command input, profile generation, and digital current loop. The MC73110 comes in a 64-pin PQFP and operates from a 3.3V supply. Price starts at $18 each in OEM quantities. PERFORMANCE MOTION DEVICES INC., Lincoln, MA. (781) 674-9860.


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TAGS: Components
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