TA7712F

TA7712P/F TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA7712P,TA7712F 3 PHASE BI−DIRECTIONAL FOR MOTOR CONTROL IC FEATURES l FG is not required. (System for obtaining rotation signal through position sensing) l Start / stop, CW / CCW and brake functions are provided. l Gain of position sensing circuit is high, and hysteresis is provided. l Rotation signal output is provided. (Frequency signal of three times the position sensing output (hall sensor output) can be obtained.) l External transistor type. Weight DIP20−P−300−2.54A : 2.25 g (Typ.) SSOP24−P−300−1.00 : 0.32 g (Typ.) 1 2001-06-13 BLOCK DIAGRAM TA7712P/F TA7712P / TA7712F 2 2001-06-13 PIN FUNCTION PIN No. PF 11 22 33 45 56 67 78 8 10 9 11 10 12 11 13 12 14 13 ― 14 17 15 18 16 19 17 20 18 22 19 23 20 24 SYMBOL FUNCTION DESCRIPTION La+ a−phase upper drive output terminal La− a−phase lower drive output terminal Lb+ b−phase upper drive output terminal Lb− b−phase lower drive output terminal Lc+ c−phase upper drive output terminal Lc− c−phase lower drive output terminal GND GND terminal START / STOP START / STOP switch terminal CW / CCW Forward rotation / Reverse rotation switch terminal BRAKE Break terminal FGOUT TFG N. C. Hc− Hc+ Hb− Hb+ Ha− Ha+ FG signal output terminal C, R connection terminal Non connection c−phase Hall Amp. negative c−phase Hall Amp. positive input terminal b−phase Hall Amp. negative input terminal b−phase Hall Amp. positive input terminal a−phase Hall Amp. negative in...