The LS7260 LS7262 are MOS integrated circuits de- signed to generate the signals necessary to control a three phase or four phase brushless DC motor. They are the basic building blocks of a brushless DC motor controller. The circuits respond to changes at the SENSE inputs, originating at the motor position Sensors to provide electronic commutation of the motor wind- ings. Pulse Width Modulation of outputs for motor speed control is accomplished through either the ENABLE in- put or through the Analog input (V TRIP) in conjunction with the Oscillator input. Overcurrent circuitry is provided to protect the windings, associated drivers and power supply. The overcurrent circuitry causes the ex- ternal output drivers to Switch off immediately upon sensing the overcurrent condition and on again only when the overcurrent condition disappears and the pos- itive edge of either the ENABLE input or the sawtooth Oscillator occurs. This limits the overcurrent sense cycling to the chopping rate of the ENABLE input or the sawtooth Oscillator By LSI Computer Systems, Inc.
LS7260 's PackagesLS7260 's pdf datasheet

LS7260 Pinout, Pinouts
LS7260 pinout,Pin out
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