Ordering number : ENA2138 STK672-410C-E Thick-Film Hybrid IC 2-phase Stepping Motor Driver STK672-410C-E Specifications Absolute Maximum Ratings at Tc = 25C Parameter Symbol Conditions Ratings unit Maximum supply voltage 1 V max No signal 52 V CC Maximum supply voltage 2 V max No signal -0.3 to +7.0 V DD Input voltage V max Logic input pins -0.3 to +5.8 V IN Output current I max V =5V, CLOCK200Hz 3.2A OH DD Allowable power dissipation Pd max With an arbitrarily large heat sink. Per MOSFET 10 W Operating substrate temperature Tc max 105 C Junction temperature Tj max 150 C Storage temperature Tstg -40 to +125 C Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. Allowable Operating Ranges at Ta=25C Parameter Symbol Conditions Ratings unit Operating supply voltage 1 V With signals applied 10 to 45 V CC Operating supply voltage 2 V With signals applied 55% V DD Input high voltage V 0 to 5.8 V IH Output current I Tc=105C, CLOCK200Hz 3A OH Phase driver withstand voltage V TR1, 2, 3, 4 I =1mA (Tc=25C) 100minV DSS D Electrical Characteristics at Tc=25C, V =24V, V =5.0V CC DD Parameter Symbol Conditions min typ max unit V supply current I V =5.0V, ENABLE=Low Vref=2V 6 10 15 mA DD CCO DD Output average current Ioave R/L=3/3.8mH in each phase 0.51 0.59 0.66 A FET diode forward voltage Vdf If=1A 1.2 1.6 V Output saturation voltage Vsat R =23 0.3 0.5V L Control Input voltage V Except for the Vref pin 2.5 V IH input pin V Except for the Vref pin 0.6 V IL Input current Except for the Vref pin V =5V I 10 A IN IH Except for the Vref pin V =0V I 10 A IN IL Vref pin Input voltage Pin 19 VI 2 V V DD Input current Pin 19, V input Ios 12.5 A DD PWM frequency fc 37.5 50 62.5 kHz Current Distribution Ratio 2W1-2 W1-2 1-2 Vref =7/8 100 *1 2W1-2 W1-2 =6/8 93 2W1-2 =5/8 84 2W1-2 W1-2 1-2 =4/8 71 % 2W1-2 =3/8 55 2W1-2 W1-2 =2/8 40 2W1-2 =1/8 19 2 100 Notes: A fixed-voltage power supply must be used. The value of Item 1 is the design target and not measured. No.A2138-2/19