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LS7560N Datasheet(PDF) 6 Page - LSI Computer Systems |
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LS7560N Datasheet(HTML) 6 Page - LSI Computer Systems |
6 / 8 page 7560N-080305-6 FIGURE 6. Four phase motor control requires only two Hall Sensor inputs spaced 90 electrical degrees apart. S1 is connected to one sensor and S2 and S3 are tied together and connected to the other sensor (Refer to Table 1). The Brake input (Pin 23) is used to control the Top Driver Select (Pin 20) and the Top Motor Drivers. When the Brake input is applied, the Top Motor driv- ers are turned off and the Top Driver Polarity Select is forced low turning on the Outputs 1 and 3. Since Outputs 4 and 6 are also turned on, the motor windings become shorted together. The information included herein is believed to be accurate and reliable. However, LSI Computer Systems, Inc. assumes no responsibilities for inaccuracies, nor for any infringements of patent rights of others which may result from its use. 17 15 14 12 10 11 ROTOR 3 1 2 4 24 25 26 S1 S2 S3 20 V M OUT1 OUT3 OUT4 OUT6 FIGURE 6. FOUR-PHASE FULL-WAVE MOTOR CONTROLLER 23 BRAKE TOP DRIVER POLARITY SELECT V M S1 S2, S3 OVERCURRENT SENSE (+) (-) V M S1 S2, S3 |
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Similar Description - LS7560N |
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