TA8415P

TA8415P TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TA8415P STEPPING MOTOR CONTROLLER / DRIVER The TA8415P is general purpose unipolar stepping motor controller / driver, applicable to 3 / 4 phase motors and 1, 1−2, 2 phase excitation drive by initial setting of control terminals. FEATURES l 1 chip stepping motor controller / driver. l 3 or 4 phase and 1, 1−2, 2 phase excitation drive are available. l CW / CCW rotation and 1 clock or 2 clock drive are available. l Hysteresis is provided with clock, CW / CCW, reset inputs for noise protection. l Output enable, initial detect are available. l Output current up to 400mA (MAX.) BLOCK DIAGRAM Weight: 1.11 g (Typ.) 1 2001-06-13 PIN FUNCTION TA8415P PIN No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SYMBOL CW / CCW EA EB 3/4 MO φ1 φ2 GND φ3 φ4 E CK−OUT CK1 CK2 R VCC PIN NAME Clock Wise / Counter Clock Wise Excitation A Excitation B 3 Phases / 4 Phases Monitor Out φ1 Out φ2 Out GND φ3 Out φ4 Out Output Enable Clock−Out Clock In−1 Clock In−2 Reset VCC FUNCTIONAL DESCRIPTION Direction Control Input Function Table A Phase Excitation Mode Input Truth Table B Phase Control Input MO = “L” at Initial State φ1 Output φ2 Output GND φ3 Output φ4 Output Outputs are Enable at E = “H” Clock Output Clock Input 1 Clock Input 2 Truth Table A Reset Input VCC TRUTH TABLE A TRUTH TABLE B CK1 CK2 CW / CCW FUNCTION H L CW L L Inhibit H L CCW L L Inhibit H H CCW L H Inhibit H H CW L H Inhibit EA EB 3/...