BRUSHLESS DC MOTOR CONTROLLER
LSI/CSI
LS7560N LS7561N
U® L LSI Computer Systems, Inc. 1235 Walt Whitman Road, Melville, NY 11747 (631) 271-0400 FAX ...
Description
LSI/CSI
LS7560N LS7561N
U® L LSI Computer Systems, Inc. 1235 Walt Whitman Road, Melville, NY 11747 (631) 271-0400 FAX (631) 271-0405
A3800
BRUSHLESS DC MOTOR CONTROLLER
April 2012
FEATURES Open loop motor control Tachometer output for closed loop motor control Error Amplifier and PWM Speed Comparator with full accessibility High noise immunity Schmitt Triggers on Sensor inputs 5.5V Reference Supply for external sensors Cycle-by-cycle current sensing Static, or current limited dynamic, motor braking Output enable delay on speed direction reversal Enable input with fault sensing capability Fault Indicator output 60°/300° or 120°/240° electrical sensor spacing selection Selectable PWM of top and bottom drivers or bottom drivers only CMOS compatible motor outputs with drive capability Selectable top driver polarity Low power dissipation +10V to +18V Power Supply (VDD - VSS) LS7560N, LS7561N (DIP); LS7560N-S, LS7561N-S (SOIC);
LS7560N-TS, LS7561N-TS (TSSOP) - See Figure 1 -
Note: LS7560N/LS7561N are backward compatible with LS7560/LS7561
FIGURE 1. PIN CONNECTION DIAGRAM TOP VIEW
LS7560N
LSI
SEQUENCE SELECT 1 ENABLE 2
FAULT INDICATOR 3 RC 4
TACHOMETER OUT 5 ERROR AMP (+) 6
28 V DD (+V) 27 F/R
26 S3 25 S2 24 S1
HALL SENSORS
23 BRAKE
ERROR AMP (-) 7 ERROR AMP OUT 8
OSCILLATOR 9 CURRENT SENSE (+) 10
22 BRAKE SELECT 21 PWM CONTROL 20 TOP DRIVER POLARITY SELECT 19 V R
CURRENT SENSE (-) 11 OUT 6 12 OUT 5 13
18 V SS (-V) 17 OUT 1 16 OUT ...
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