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| HIC (DC power input) 3-Phase Stepping Motor Drive IC for Universal Controller PMM3101 Micro step Outline The PMM3101 IC for stepping motor drive is a power hybrid IC (HIC) that consists of an energization mode generation circuit and a switching device to drive 3-phase stepping motors in a single package. It has been developed to facilitate the use of 3-phase stepping motors more easily so that you can easily configure a micro step drive device only with this HIC and a few peripheral parts. Features * * * * * Micro step sine wave drive driver Built-in current detection resistor Adopting MOSFET as the power drive device to reduce heat generation All-in-one package reducing the number of parts of the peripheral circuit 4 energization modes available with an external bit signal Maximum ratings (TC=25C) Item Source voltage-1 Source voltage-2 Input voltage Phase current Board temperature during operation Joint temperature Conservation temperature Symbol Condition Rating Unit VCC1 max VCC2 max Vin max IO max Tc max Tj max Tstg VCC2=0V Without signal Logic input terminal 37 7 7 2 +105 +150 -40~+125 V V V A C C C VCC2=5V,Clock ______ ______ ______ 100Hz Recommended operating conditions (Ta=15C) Item Source voltage-1 Source voltage-2 Input voltage Phase current-1 Phase current-2 Clock frequency Phase driver withstand voltage Symbol Condition With signal Without signal ______ Without heat sink Rating Unit VCC1 VCC2 VIH IO1 IO2 Clock VDSS 16~30 5.05% 0~VCC2 1.0 1.5 DC~120 60 V V V A A kHz V TC=105C, Clock 100Hz Pin 10 input frequency (rising time Tr and falling time Tf: 1.6E s or less) ID=10mA(TC=25C) 31 External Figures (unit: mm) Pin connection 1. 2. 3. 4. 5. 6. 7 . 8. 9. 10. 11. 12. 13. 14. 15. 16. 17 . 18. 19. 20. 21. 22. VCC1B VCC1C UO WO VO Vz VCC1A GND2 Vref Clock Mode A Mode B Hold CW/CCW Enable Reset GND1 VCC2 UI VI WI P .GND A PMM3101 Pin No. Name 64 56 8.5 21 +0.2 2-O3.6-0.1 31 PMM3101 16.5 1 23 41 2.9 2 (5.8) 24x2=48 +0.2 0.5-0.05 +0.2 0.4-0.05 Electrical characteristics (TC=25C, VCC1=24V, VCC2=5V) Rating Item Symbol Condition Min Standard Max Unit - VCC2 source current Effective output current ICCO Ioe Vdf Vsat IOL VIH VIL IIL VrH Ir FC Enable="L" Each phase R/L = 2/6mH, 6.1 0.37 1.0 0.45 - - - 12 0.42 1.6 0.56 0.1 - mA Arms V V mA V V 2W2-3 phase energization If=1A(RL=23) RL=23 RL=23 Pins 10 to 16 Pins 10 to 16 Pins 10 to 16 = GND level Pull-up resistance: 20k 0.32 - - - FET diode forward voltage Output saturation voltage Output leak current "H" level input voltage "L" level input voltage Input current 4.0 - 1.0 550 VCC2/2 810 39 115 0 440 23 250 - A V Vref input voltage Vref input current PWM frequency Pin 9 Pin 9 = 2.5V Internal resistance: 4.0k - 625 31 A kHz 32 PMM3501 HIC (DC power input) Function of each terminal Terminal name Function Motor current setting input Pulse input for motor drive Pause input Motor rotational direction setting input Power off input System reset Input condition for operation - Operates at the rising edge Vref Clock Hold CW/CCW Enable Reset Hold = "L" level "H" level = CW rotation "L" level = CCW rotation Enable = "L" level Reset = "L" level Energization mode table Input condition Energization mode 1 step angle (degree) Basic step division number Mode A L L H H Mode B L H L H 2EX 2-3EX W2-3EX 2W2-3EX 1.2 0.6 0.3 0.15 1 2 4 8 Example of Application Circuit Vcc2(5V) PMM3101 Clock Mode A Mode B Hold CW / CCW Enable Reset Vref 9 C3 17 8 22 23 P.GND C1 18 10 11 12 13 14 15 16 6 7 1 2 3 19 5 20 4 21 + + C2 Vcc1 16~30V 3 2 1 Stepping motor + C4 R1 R2 Recommended circuit part constants C1 220F C2 2.2F C3 0.1F C4 10F For the R1 and R2 constants, determine the Vref voltage according to the following equation. Vref (V) = motor current adjustment value (A/phase) x 1.3 Notice that 100 is recommended for R2 due to the configuration of the internal circuit of the PMM3101. Place the GND side of the source by-pass capacitor of VCC1 (C1) as close to pins 22 and 23 as possible to reduce noise. 33 |
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