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M54678FP Datasheet(PDF) 2 Page - Mitsubishi Electric Semiconductor |
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M54678FP Datasheet(HTML) 2 Page - Mitsubishi Electric Semiconductor |
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2 / 5 page  2-PHASE STEPPER MOTOR DRIVER M54678FP MITSUBISHI <CONTROL / DRIVER IC> V ABSOLUTE MAXIMUM RATINGS (Ta = 25 °C unless otherwise noted.) Symbol Conditions Unit Parameter Vm Output stage supply voltage -0.3 – 37 PIN FUNCTION Iout VCC Vlogic Vanalog Pd K θ Tj Topr Ratings V Output current 1phase ±1.0 V Supply voltage A -0.3 – VCC V Analog input voltage W 100mm × 100mm, t = 1.6mm glassfiber epoxy resin circuit board 1.5 °C/W Power dissipation 100mm × 100mm, t = 1.6mm glassfiber epoxy resin circuit board 2.0 °C Thermal derating 62.5 °C Junction temperature °C Operating temperature 150 -20 – 75 Rs Pin Ph, En Pin Vref, S Pin Tstg Storage temperature Logic input voltage -40 – 125 Terminal Functions Symbol Output stage supply voltage Output terminal Current sensor Power supply Phase input Enable input Sense input Vref input Voltage stabilizer output Power supply for motor working Motor drive output terminal Output current sensing resistor (Rs) connect terminal Control circuit power supply Output current direction switch “L” input → Motor on “H” input → Enable Comparator input voltage terminal Comparator reference voltage terminal Constant voltage output (Vout = 3.5V) Vm Regout Vref1, Vref2 S1, S2 En1, En2 Ph1, Ph2 VCC Rs1,Rs2 Out1, Out1B, Out2, Out2B VRs Current sensor voltage -0.3 – 7 -0.3 – VCC V RECOMMENDED OPERATIONAL CONDITIONS Limits Min. Typ. Max. Symbol Unit Parameter V VCC Supply voltage Output stage supply voltage Vm V Iout tPLH Output current Logic input rise time 5.0 — — — 5.5 35 800 2 4.5 10 50 — mA µS µS tPHL Logic input fall time PWM on time Ton µS Toff TSDon PWM off time Thermal shutdown temperature — — — 160 2 50 50 — — 5 5 — µS °C |
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