IRMCF171 查看數據表（PDF） - International Rectifier

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IRMCF171

High Performance Sensorless Motor Control IC

International Rectifier 

IRMCF171

List of Figures

Figure 1. Typical Application Block Diagram Using IRMCF171 ................................................. 5

Figure 2. Pinout of IRMCF171 ................................................................................................... 6

Figure 3. IRMCF171 Block Diagram .......................................................................................... 7

Figure 4. IRMCF171 Leg Shunt Connection Diagram ............................................................... 9

Figure 5. IRMCF171 Single Shunt Connection Diagram ......................................................... 10

Figure 6. Crystal circuit example ............................................................................................. 17

Figure 7. Voltage droop and S/H hold time.............................................................................. 18

Figure 8 Op amp output capacitor ........................................................................................... 19

Figure 9. SYNC timing ............................................................................................................. 20

Figure 10. Gatekill timing ......................................................................................................... 21

Figure 11. ITRIP timing............................................................................................................ 21

Figure 12. Interrupt timing........................................................................................................ 22

Figure 13. I2C Timing ............................................................................................................... 23

Figure 14. SPI write timing....................................................................................................... 24

Figure 15. SPI read timing ....................................................................................................... 25

Figure 16. UART timing ........................................................................................................... 26

Figure 17. CAPTURE timing .................................................................................................... 27

Figure 18. JTAG timing............................................................................................................ 28

Figure 19. PWMUL/PWMUH/PWMVL/PWMVH/PWMWL/PWMWH output............................. 29

Figure 20. All digital I/O except motor PWM output ................................................................. 29

Figure 21. RESET, GATEKILL I/O........................................................................................... 29

Figure 22. Analog input............................................................................................................ 30

Figure 24 Analog operational amplifier output and AREF I/O structure .................................. 30

Figure 25. VSS,AVSS pin I/O structure ................................................................................... 30

Figure 26. VDD1,VDDCAP pin I/O structure............................................................................ 31

Figure 27. XTAL0/XTAL1 pins structure .................................................................................. 31

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© 2013 International Rectifier

April 20, 2013

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