SHINDENGEN Stepping Motor Driver ICs MTD Series OUTLINE DIMENSIONS MTD2001 Case : ZIP-27 (Unit : mm) FEATURES ●Constant-current chopping function (Off time fixed, self-oscillation) ●4-phase input (with inhibit for simultaneously turn ON) ●An ENABLE function is provided ●Protection for penetration current ●Built-in overheating protection (Alarm + shutdown) RATINGS ●Absolute Maximum Ratings (Ta=25℃) Item Symbol VCEO(SUS) IO VCC VIN PT Tj Tstg Output Voltage Output Current Logic Supply Voltage Logic Input Voltage Total Power Dissipation Junction Temperature Storage Temperature ●Electrical Characteristics (Ta=25℃) Item Output Saturation Voltage(Upper side) Output Saturation Voltage(Lower side) Output Leakage Current(Upper side) Output Leakage Current(Lower side) Logic Supply Current(Standby) Logic Supply Current(All Circuit ON) Input High Voltage Input Low Voltage Logic High Input Current Logic Low Input Current Reference Input Current Input Current(Current Sensor) Maximum Sensing Voltage Thermal Alarm Cutoff Current Thermal Alarm Output Current Thermal Alarm Temperature Thermal Shutdown Temperature Symbol Test Conditions VCE(sat)H Io=1.0A VCE(sat)L Io=1.0A IrH Vmm=60V,Vout=0V IrL Vout=60V,VRS=0V ICC(OFF) VCC=5V,VENA="H" ICC(ON) VCC=5V,VENA="L" VINH VCC = 5V VENAH VCC = 5V VINL VCC = 5V VENAL VCC = 5V lINH VCC = 5V,VIN=5V lENAH VCC = 5V,VENA=5V lINL VCC = 5V,VIN=0V lENAL VCC = 5V,VENA=0V Iref VCC=5V,Vref=0V Isense VCC=5V,VS=0V VS(max.) VCC=5V Iralm VCC=5V,Valm=5V Ialm VCC=5V,Valm=0.5V Talm TTSD Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd Ratings 60 1.5 0～7 0～VCC 5 150 -40～150 min. Unit V A V V W ℃ ℃ typ. max. 1.0 1.4 1.0 1.3 10 10 25 35 55 75 2.7 Vcc 2.7 Vcc GND 1.0 GND 1.0 10 Unit V V μA μA mA mA V V μA 10 -10 -50 -10 -1 -1 -50 -10 -10 1.5 10 2 125 150 μA μA μA V μA mA ℃ ℃ Stepping Motor Driver ICs MTD2001 ● Equivalent Circuit・Basic Application Circuit ●Pin Assignment ●True Table ENA A or B L L L L H ●Recommended Parts Value IN 1 or 4 L L H H × IN 2 or 3 L H L H × Out 1 or 4 OFF L H OFF OFF Out 2 or 3 OFF H L OFF OFF × : don't care Symbol Rs RF CF Rt Ct R1+R2 Recommended Value 0.68 2 1000 15 3300 <10 Unit Ω kΩ pF kΩ pF kΩ ●Setting of Output Current and Fixed Off Time Fig.1 shows constant current chopping wave form. Fig.1 Constant current wave form (Motor current / phase) ○Output Current setting Io = R2 Vcc ・ R1+R2 Rs ○Fixed Off Time Setting Toff=0.69・Ct・Rt ●Recommended Operating Conditions （Ta=25℃） Item Symbol Motor Supply Voltage Vmm Output Current IO Output Emitter Voltage VE Logic Supply Voltage VCC Chopping Frequency fchop Operating Temperature Top Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd min. typ. 10 4.75 20 -25 max. 50 1.2 1.5 5.25 27 120 Unit V A V V kHz ℃