SI-7230M

Bipolar Driver IC SI-7230M s Ratings Absolute maximum rating Type No. SI-7230M Supply voltage (V) VCC1 50 V CC2 7 Peak voltage of pins C A and CB (V) V SP 70 Output current (A) Io 3.2 Junction temperature ( °C) Tj +125 Operating ambient temperature (°C) Top –20 to +80 (Ta = 25 °C) Storage temperature (°C) Tstg –30 to +100 s Characteristics Electrical characteristics Supply voltage Output current *Comparator threshold voltage Excitation signal input voltage Excitation signal input current (mA) IIL max 1.6 min 19 Oscillation frequency V CC2 input current (mA) ICC2 max 150 (V) V CC1 Type No. SI-7230M min 15 typ max min 30 45 4.5 V CC2 IO (mA/ø) I OM typ max min V THF typ max min max min 5 5.5 200 3000 535 (V) VTHPD VIL(ON) typ max min (V) VIH(OFF) V CC2 VCC2 –0.4 +2 typ max min max min max 0 0.5 (kHz) F typ max 21 25 580 625 1.025 1.125 1.225 0.515 0.555 0.595 * VTHF : Conditions shown in the standard external connection diagram with VCC2 = 5V and R S = 1Ω VTHPD : Conditions shown in the standard external connection diagram with R X = 1kΩ, V CC2 = 5V and RS = 1Ω s Block diagram Auxiliary power supply VCC2 Reference voltage Comparator amplifiter Main power supply VCC1 Current controller Variable current resistor Rx Trigger pulse generator circuit Excitation signal amplifier M Excitation signal (4-phase) SI-7230M Counter EMF Canceller Current detection resistor RS + CA, CB s Equivalent circuit diagram AIN 7 CA 2 AOAO 4 5 AIN 8 BIN 15 D10 1 VCC1 D9 R1 VCC2 R9 Tng...