Description
The ML4425 PWM motor controller provides all of the functions necessary for starting and controlling the speed of delta or wye wound Brushless DC (BLDC) motors without Hall Effect sensors.
Features
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Stand-alone operation Motor starts and stops with power to IC On-board start sequence: Align ® Ramp ® Set Speed Patented Back-EMF commutation technique provides jitterless torque for minimum “spin-up” time Onboard speed control loop PLL used for commutation provides noise immunity from PWM spikes, compared to noise sensitive zero crossing technique PWM control for maximum efficiency Direct FET drive for 12V motors; drives high voltage motors with IC buffers from IR, IXYS, Harris, Power.
ML4425_MicroLinearCorporation.pdf
