MTD2006F

SHINDENGEN Stepper Motor Driver ICs MTD Series MTD2006F Features Dual full-bridge for a bipolar motor n Dual full-bridge for a bipolar stepper motor n Constant current control (fixed frequency PWM control) n Current decay selection (correspond to microstepping drive) n Noise cancellation function (no need external RC) n Integrated flywheel and flyback diodes n Cross conduction protection n Overheating alarm function n Surface mount type package with heatsink (HSOP28) HSOP-28 g Absolute maximum ratings / Ta=25℃ Parameter Outout voltage Outout current Logic supply Logic input voltage Power dissipation* Strage temperature range Junction temperature range Symbol Vmm IOUT Vcc VLOGIC PT Tstg Tj Rating 35 1.3 6 0 to Vcc 3 -40 to 150 150 Unit V A V V W ℃ ℃ *Mounted on glass epoxy board (50.8×50.8×1mm) g Pin assignment Vmm A NC OUT1 NC Rs A NC OUT2 1 2 3 4 5 6 7 28 27 26 25 24 23 22 g Truth table LG ENA A PHA A CR ALARM Vref A Vs A ENA A or B L L H PHA A or B L H * OUT 1 or 4 L H OFF *:don't care DECAY L Output chopping Sink+Source chopping Source chopping OUT 2 or 3 H L OFF MTD2006F SHINDENGEN GND GND H 00181 OUT3 NC Rs B NC OUT4 NC Vmm B 8 9 10 11 12 13 14 21 20 19 18 17 16 15 Vs B Vref B Vcc DECAY PHA B ENA B LG B Shindengen Electric Mfg.Co.Ltd 0212 SHINDENGEN Stepper Motor Driver ICs g Electrical characteristics Parameter Output stage Load supply Load supply current Upper transistor saturation drop Lower transistor saturation drop Transistor leak current Upper ...