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1-2-3 5-Phase Stepper Motor Driver ICs SI-7510 New Pentagon Connection Absolute Maximum Ratings Parameter Main Supply Voltage Logic Supply Voltage Logic Input Voltage REF Input Voltage SENCE Input Voltage Charge Pump Output Voltage Power Dissipation Operating Ambient Temperature Storage Temperature Junction Temperature Symbol VCC1 VCC2 VIN VREF VSENCE VMC3 PD Ta Tstg Tj Ratings 44 7 -0.3 to VCC2 -0.3 to VCC2 2 48 1.6 -10 to 80 -20 to 150 150 Unit V V V V V V W C C C Except when tw<1s Remarks Recommended Operating Ranges Parameter Main Supply Voltage Logic Supply Voltage REF Input Voltage Symbol VCC1 VCC2 VREF Operating Ranges 10 to 42* 3 to 5.5 0.1 to 1 Unit V V V *: Insert a 5V Zener diode between VCC1 and VMC3 when using with VCC1 of 35 V or more. Electrical Characteristics Parameter Main Supply Current Logic Supply Current Logic Input Voltage Logic Input Current ENA Input Current REF Input Current SENCE Voltage SENCE Current MO Output Voltage RC Pin Threshold Voltage RC Pin Outflow Current Charge Pump Output Voltage High Side Output Voltage (between gate sources) Low Side Output Voltage Maximum CL Frequency Maximum Input CL Width (on) Power-on Reset time Output Delay Time CW/CCW, F/H Input Data Setup Time CW/CCW, F/H Input Data Hold Time Symbol min. ICC1 ICC2 VIL VIH IIL IIH IENA IREF VSENCE ISENCE VMOL VMOH VRCL VRCH IRC VMC3 VHGSL VHGSH VLGL VLGH fck TCON PTW TIO TICS TICH 500 500 100 1 1.5 2 7.5 4 0.5 1.5 300 VCC1+9 1 8.5 1 -20 3.75 -20 -20 -100 -20 1 20 1 20 20 20 20 Ratings typ. max. 25 10 1.25 (Ta=25C, Vcc1=24V, VCC2=5V, unless otherwise specified) Unit mA mA V V A A A A V A V V V V A V V V V V KHz s s s s s Against CL Without Zener diode VRC=0V VIL=0V VIH=5.5V VENA=0V VREF=0 to 5.5V VREF=1V VSENCE=0V, 2V IMOL=1mA IMOH=-1mA Conditions 132 ICs SI7510 Internal Block Diagram VCC2 VCC1 MC2 MC3 MC1 Pin Assignment and Function Table Pin No. 1 2 3 4 OHGA OHSA OHGB OHSB OHGC OHSC OHGD OHSD OHGE OHSE Symbol MC1 MC3 MC2 VCC1 Enable VCC2 MO CL F/H CW/CCW Reset RC Ref Sense Gnd VOLE VOLD VOLC VOLB VOLA VOHSE VOHGE VOHSD VOHG VOHSC VOHGC VOHSB VOHGB VOHSA VOHGA Function Capacitor Connection Terminal for Charge Pump (for MC2) Capacitor Connection Terminal for Charge Pump (for Gnd) Capacitor Connection Terminal for Charge Pump (for MC1) Main Supply Voltage Input Output OFF Logic Voltage Input Monitor to Detect Motor Position Clock 4-phase, 4-5 phase switching Switching Between Forward and Backward Rotation Reset RC Connection for Chopping Off Time Setting Reference Voltage Input for Motor Current Setting For Motor Current Detection Gnd Low Side MOSFET Gate Connection Pin (E-phase) Low Side MOSFET Gate Connection Pin (D-phase) Low Side MOSFET Gate Connection Pin (C-phase) Low Side MOSFET Gate Connection Pin (B-phase) Low Side MOSFET Gate Connection Pin (A-phase) High Side MOSFET Source Connection Pin (E-phase) High Side MOSFET Gate Connection Pin (E-phase) High Side MOSFET Source Connection Pin (D-phase) High Side MOSFET Gate Connection Pin (D-phase) High Side MOSFET Source Connection Pin (C-phase) High Side MOSFET Gate Connection Pin (C-phase) High Side MOSFET Source Connection Pin (B-phase) High Side MOSFET Gate Connection Pin (B-phase) High Side MOSFET Source Connection Pin (A-phase) High Side MOSFET Gate Connection Terminal (A-phase) Oscillator Charge Pump Enable MO CL 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 IO=VRS/RS IOM=Io/2 *IOM : Motor Coil Current tOFF=1.1*Rt*Ct Highside Drive Sequencer F/H CW/CCW Reset Lowside Drive OLA OLB OLC OLD OLE RC Ref Sense Gnd PWM Control Typical Connection Diagram C1 C2 24V VCC1 5V VCC2 MC1 MC2 MC3 6 1 3 2 R3 Enable MO 5 7 8 9 10 11 Logic Signal Input and Output CL F/H CW/CCW Reset 4 30 29 28 27 26 25 24 23 22 21 OHGA OHSA OHGB OHSB OHGC OHSC OHGD OHSD OHGE OHSE 4 5 10 15 3 9 1 7 14 SLA5073 8 12 13 2 6 11 22 23 24 25 26 27 28 29 30 SI-7510 5-phase SPM New Pentagon C4 R1Ref C3 R2 12 13 20 19 18 OLA OLB OLC 4 3 9 7 17 16 15 Gnd OLD OLE Pins 11 to 15: NC SLA5074 1 8 5 R1=510 R2=100(VR) R3=20K RS=0.33(1 to 2W) Rt=15 to 75K Ct=420 to 1100pF C1=2200pF C2=0.01F C3=0.1F C4=0.01F 10 2 6 14 Sense RC Rs Io Ct Rt Truth Table Pin Name Clock CW/CCW Full/Half Enable Reset Forward Rotation (CW) 4-phase excitation Disable Enable Low Level High Level Positive Edge Backward Rotation (CCW) 4-5 phase excitation Enable Reset *Be especially careful of noise on the Vcc line. The product may malfunction if noise on the Vcc line is 0.5 V or more. Input and Output Timing Chart 0 CL Reset Enable CW/CCW F/H 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 External Dimensions (DIP30) 8.80.2 (Unit : mm) OHA OHB OHC OHD OHE OLA OLB OLC OLD OLE MO Reset CW, Full CCW, Full CCW, Half CW, Half Lot No. J APAN SK S I - 7510 28.20.3 75 CL Reset 80 85 90 95 100 105 110 3.610.1 4.30.3 CW/CCW F/H OHA OHB OHC OHD OHE OLA OLB OLC OLD OLE MO CW, Half Disable Reset CCW,Full Disable The range to Prohibit Switching The range to Prohibit Switching 500ns 500ns Switchable Range CW/CCW F/H CL 1.0 - 0.06 + 0.3 7.10.5 Enable 10.16 * Condition to Switch Input Signals +0.1 0.25 - 0.05 1.778 2.80.2 0 to 15 1.654 TYP 0.460.1 Product Mass : Approx.2g ICs 133 |
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