MTD2005F

SHINDENGEN Stepping Motor Driver ICs MTD Series MTD2005F FEATURES chopping function (Frequency fixed, separate-oscillation) ● 2-phase input (ENA input is useful for half step drive) ● Selectable slow/fast current decay for improved micro stepping ● A noise cancel function is provided (No externally attached filter needed) ● Protection for penetration current ● Built-in thermal alarm ● Built-in flywheel diodes ● Constant-current OUTLINE DIMENSIONS Case : HSOP-28 (Unit : mm) RATINGS ● Absolute Maximum Ratings (Ta=25 ℃ ) Item Output Voltage Output Current Logic　 Supply　 Voltage Logic　 Input　 Voltage Total Power Dissipation Junction Temperature Storage Temperature Symbol V CEO(SUS) IO V CC V IN PT Tj Tstg Symbol Test Conditions V CE (sat)H Io=0.8A V CE (sat)L Io=0.8A Ir H Vmm=60V,Vout=0V I rL Vout=60V,V RS=0V I CC (OFF) Vcc=5V,V ENA="H" I CC (ON) Vcc=5V,V ENA="L" VphaH V CC = 5V VphaL V CC = 5V IphaH V CC = 5V,Vpha=5V IphaL V CC = 5V,Vpha=0V V ENAH V CC =5V V ENAL V CC =5V I ENAH V CC =5V,V ENA=5V I ENAL V CC =5V,V ENA=0V V DECH V CC =5V V DECL V CC =5V I DECH V CC =5V,V DEC =5V I DECL V CC =5V,V DEC =0V Iref V CC =5V,Vref=0V Isense V CC =5V,V S=0V V S(max.) V CC =5V tb V CC =5V,Ct=3300pF Iralm V CC =5V,Valm=5V Ialm V CC =5V,Valm=0.5V Talm Ratings 60 1.0 0～ 6 0 ～ V CC 3 150 -40 ～ 150 min. typ. 1.0 1.0 Unit V A V V W ℃ ℃ max. 1.4 1.4 10 10 19 25 26 33 Vcc 0.8 10 -150 Vcc 0.8 10 -100 -150 Vcc 0.8 10 -200 -1 -1 1.35 10 2 140 -300 -10 -10 1.0 ● 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) Phase"H"Input Voltage Phase"L"Input Voltage Phase"H"Input Current Phase"L"Input Current Enable ” H ” Input Voltage Enable ” L ” Input Voltage Enable ” H ” Input Current Enable ” L ” Input Current DECAY ” H ” Input Voltage DECAY ” L ” Input Voltage DECAY ” H ” Input Current DECAY ” L ” Input Current Reference Input Current Input Current(Current Sensor) Maximum Sensing Voltage Pulse Blanking Time Thermal Alarm Cutoff Current Thermal Alarm Output Current Thermal Alarm Temperature 2.7 GND -100 2.7 GND 2.7 GND Unit V V μA μA mA mA V V μA μA V V μA μA V V μA μA μA μA V μs μA mA ℃ Copyright & Copy;2000 Shindengen Electric Mfg.Co.Ltd Stepping Motor Driver ICs ● Equivalent Circuit・Basic Application Circuit MTD2005F ● Pin Assignment ●True Table ENA A or B L L H ENA A or B L H × Out 1 or 4 L H OFF Out 2 or 3 H L OFF ●Recommended Parts Value Symbol Rs Rt Ct R1+R2 Recommended Value 0.68 13 4700