Microchip Technology dsPICDEM MCHV-3 User Manual
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Microchip Technology dsPICDEM MCHV-3 User Manual

Microchip Technology dsPICDEM MCHV-3 User Manual

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dsPICDEM™ MCHV-3
Development Board
User's Guide
 2016 Microchip Technology Inc.
DS50002505A

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Summary of Contents for Microchip Technology dsPICDEM MCHV-3

  • Page 1 MCHV-3 Development Board User’s Guide  2016 Microchip Technology Inc. DS50002505A...
  • Page 2 WiperLock, Wireless DNA, and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. Microchip received ISO/TS-16949:2009 certification for its worldwide Silicon Storage Technology is a registered trademark of headquarters, design and wafer fabrication facilities in Chandler and Microchip Technology Inc.
  • Page 3 Object of Declaration: dsPICDEM MCHV-3 Development Board...
  • Page 4 MCHV-3 Development Board User’s Guide NOTES:  2016 Microchip Technology Inc. DS50002505A-page 4...

  • Page 5: Safety Notice

    • The unit is designed to be connected to the AC mains supply via a standard non-locking plug. As the unit has no mains switch, this plug constitutes the means of disconnection from the supply, and thus, the user must have unobstructed access to this plug during operation.  2016 Microchip Technology Inc. DS50002505A-page 5...
  • Page 6 MCHV-3 Development Board User’s Guide NOTES:  2016 Microchip Technology Inc. DS50002505A-page 6...

  • Page 7: Table Of Contents

    3.2 Power Module Stage ..................37 3.3 Electrical Specifications ................47 Appendix A. Board Layout and Schematics.............. 49 A.1 Introduction ....................49 A.2 Board Schematics and Layout ..............49 Index ..........................65 Worldwide Sales and Service ..................68  2016 Microchip Technology Inc. DS50002505A-page 7...
  • Page 8 MCHV-3 Development Board User’s Guide NOTES:  2016 Microchip Technology Inc. DS50002505A-page 8...

  • Page 9: Preface

    Chapter 3. “Hardware” dsPICDEM™ MCHV-3 Development Board. • – This appendix provides Appendix A. “Board Layout and Schematics” diagrams of the hardware layout, as well as schematic diagrams for the dsPICDEM™ MCHV-3 Development Board.  2016 Microchip Technology Inc. DS50002505A-page 9...

  • Page 10: Conventions Used In This Guide

    Curly braces and pipe Choice of mutually exclusive errorlevel {0|1} character: { | } arguments; an OR selection Ellipses... Replaces repeated text var_name [, var_name...] Represents code supplied by void main (void) user { ...  2016 Microchip Technology Inc. DS50002505A-page 10...
  • Page 11 Plug-In Module (PIM) Information Sheet for Internal Op Amp Configuration (DS52062) This document provides device-specific information for the dsPIC33EP256MC506 internal op amp configuration PIM. To obtain any of these documents, visit the Microchip web site at www.microchip.com.  2016 Microchip Technology Inc. DS50002505A-page 11...
  • Page 12 MPLAB IDE, MPLAB SIM simulator, MPLAB IDE Project Manager, and general editing and debugging features. • Programmers – The latest information on Microchip programmers. These include the MPLAB PM3 device programmer and the PICkit™ 3 development programmers.  2016 Microchip Technology Inc. DS50002505A-page 12...
  • Page 13 Technical support is available through the web site at: http://support.microchip.com DOCUMENT REVISION HISTORY Revision A (June 2016) This is the initial released version of the document.  2016 Microchip Technology Inc. DS50002505A-page 13...
  • Page 14 MCHV-3 Development Board User’s Guide NOTES:  2016 Microchip Technology Inc. DS50002505A-page 14...

  • Page 15: Chapter 1. Introduction

    Power Factor Correction (PFC) circuitry in order to provide a full set of tools used in motor control applications. Figure 1-1 provides a photograph of the dsPICDEM MCHV-3. A block diagram that shows the main components of the system is provided in Figure 1-2.
  • Page 16 MCHV-3 Development Board User’s Guide FIGURE 1-1: dsPICDEM™ MCHV-3 DEVELOPMENT BOARD dsPICDEM™ MCHV-3 Development Board (Part # DM330023-3)  2016 Microchip Technology Inc. DS50002505A-page 16...
  • Page 17 FIGURE 1-2: SYSTEM BLOCK DIAGRAM PFC Stage Board Power Module Board Voltage VAC Voltage Hall Hall Non-Isolated Feedback Feedback Sensors Sensors Circuitry ICSP™ Connector Circuitry and Motor) VAC Zero PFC Circuitry Crossing Current Feedback ® dsPIC Circuitry PFC Current Feedback Power Circuitry PIC24 MCU...

  • Page 18: Features

    MCHV-3 Development Board User’s Guide FEATURES This section provides some of the key features of the dsPICDEM MCHV-3 Development Board. 1.2.1 Motor Control Interfaces: • Three-phase inverter bridge with a power rating of 400V/6.5A (J17) • Hall sensors/Quadrature Encoder Interface (QEI) for sensored motor control algorithms (J9) •...

  • Page 19: Chapter 2. Getting Started

    The second stage is the Power Module Board. This board contains the PIM connector, the isolated user interface connectors and the motor drive. Figure 2-1 shows an interior view. FIGURE 2-1: dsPICDEM™ MCHV-3 DEVELOPMENT BOARD ENCLOSURE VIEW  2016 Microchip Technology Inc. DS50002505A-page 19...

  • Page 20: User Interface

    MCHV-3 Development Board User’s Guide USER INTERFACE The dsPICDEM MCHV-3 has the following components to interact with the user. Figure 2-2 shows a photograph of the front of the system. • Input/Output Control Switches (Figure 2-2): - One isolated push button (S1) - Isolated Reset push button (RESET) - Isolated 10 kΩ...
  • Page 21 Getting Started FIGURE 2-3: dsPICDEM™ MCHV-3 DEVELOPMENT BOARD (LEFT SIDE) FIGURE 2-4: dsPICDEM™ MCHV-3 DEVELOPMENT BOARD (RIGHT SIDE)  2016 Microchip Technology Inc. DS50002505A-page 21...

  • Page 22: Connecting The System

    Access to the terminal screws is provided via holes in the lid of the enclosure. A slotted screwdriver should be used. The user should only access the power terminals when the system is fully Note: discharged (see the section on page 5). “Safety Notice”  2016 Microchip Technology Inc. DS50002505A-page 22...
  • Page 23 Motor Phase 3 (M3) Output Hall Sensor A (HA) Input Hall Sensor B (HB) Input Hall Sensor C (HC) Input Hall Sensors, 5V Power Supply Terminal Output Hall Sensors, Ground Terminal Output Motor Ground Terminal Input  2016 Microchip Technology Inc. DS50002505A-page 23...
  • Page 24 The Microchip serial emulator driver (mchpcdc.inf) should be installed Note: on your PC in order to activate the USB-to-serial emulator. The emulator can be obtained from the dsPICDEM™ MCHV-3 Development Board product page: http://www.microchip.com/mchv3  2016 Microchip Technology Inc. DS50002505A-page 24...
  • Page 25 The unit is designed to be connected to the AC mains supply via a standard Note: non-locking plug. As the unit has no mains switch, this plug constitutes the means of disconnection from the supply. Therefore, the user must have unobstructed access to this plug during operation.  2016 Microchip Technology Inc. DS50002505A-page 25...

  • Page 26: Power Sequences

    Output window. 3. Once the build sequence is complete, MPLAB X IDE will program the target device and begin executing the application code in Debug mode, as shown in Figure 2-7.  2016 Microchip Technology Inc. DS50002505A-page 26...
  • Page 27 ® FIGURE 2-7: MPLAB X IDE WORKSPACE...
  • Page 28 Repeatedly click the button to step through the code. 5. Select Debug>Reset OR click the Reset icon to reset the program again. 6. Select Debug>Finish Debug Session or click the Finish Debug Session icon to exit Debug mode.  2016 Microchip Technology Inc. DS50002505A-page 28...
  • Page 29 Project window to open an existing code file. See an example Project window in Figure 2-8. FIGURE 2-8: PROJECT EXAMPLE Existing Code For more information on using MPLAB X IDE to create and edit code, see the MPLAB X IDE Help.  2016 Microchip Technology Inc. DS50002505A-page 29...
  • Page 30 Project Dashboard window of MPLAB X IDE. The Project Dashboard window also displays other useful information, such as the Starter Kit on-board V , target Device ID and target Device ID revision.  2016 Microchip Technology Inc. DS50002505A-page 30...

  • Page 31: Chapter 3. Hardware

    • C25 – This is used as a charging capacitor to introduce delay before turning on the MOSFET. • U9 – MOSFET is used to turn on the relay, K1. • D15 – Diode is used to avoid premature turn-on of the MOSFET.  2016 Microchip Technology Inc. DS50002505A-page 31...
  • Page 32 IGBT. R29 controls the rising time and the di/dt when the IGBT is turned ON. R29, in parallel with R75, controls the falling time and the di/dt when the IGBT is turned off.  2016 Microchip Technology Inc. DS50002505A-page 32...
  • Page 33 R43, R53 and R54. R44 and C37 filter out the high-frequency noise. The circuit is shown in Appendix A. “Board Layout and Schematics”. The DC bus voltage is sensed at the power module stage. Please refer to for more information. Section 3.2.4 “Feedback Circuitry”  2016 Microchip Technology Inc. DS50002505A-page 33...
  • Page 34 Fault to the Microchip PIC MCU/dsPIC DSC devices. Both comparators are of an open-drain type and need an external pull-up Note: resistor. Both circuits share this pull-up resistor, creating an OR condition at the output.  2016 Microchip Technology Inc. DS50002505A-page 34...
  • Page 35 If possible, all wires should be stripped and tinned with solder before connecting to the dsPICDEM™ MCHV-3 Development Board terminals. The user should only access the power terminals when the system is fully Note: discharged (see the section on page 5). Safety Notice”  2016 Microchip Technology Inc. DS50002505A-page 35...
  • Page 36 AC Input Current Feedback Output PFC Driver Enable Output VAC Zero-Crossing Signal Output Ground, Digital Rail Output PWM Signal for the PFC IGBT Input Ground, Digital Rail Output Not Connected Output Not Connected  2016 Microchip Technology Inc. DS50002505A-page 36...

  • Page 37: Power Module Stage

    AC Input Zero Cross/AC Input Voltage (downscaled)/Potentiometer PIM_IA/IPFC PFC Current (buffered) Device Programming Clock Line Device Programming Data Line Reference Voltage (half of AV voltage) PIM_REC_NEUTR Reconstructed Motor Neutral Line Voltage Analog Supply Analog Supply  2016 Microchip Technology Inc. DS50002505A-page 37...
  • Page 38 Home Signal for QEI (test point only) OSCI Crystal Oscillator In OSCO Crystal Oscillator Out PIM_IBUS+ IBus Shunt Signal PIM_IBUS- IBus Shunt Signal Push Button UART Receive PIM_PFC_PWM PFC PWM Output HA/QEA Hall Sensor/QEI Input PIM_IB+ IB Shunt Signal  2016 Microchip Technology Inc. DS50002505A-page 38...
  • Page 39 Hall Sensor/QEI Input PIM_GEN1 General I/O UART Transmit PWM1L1 PWM Output – 1L PWM1H1 PWM Output – 1H PWM1L2 PWM Output – 2L PWM1H2 PWM Output – 2H PWM1L3 PWM Output – 3L  2016 Microchip Technology Inc. DS50002505A-page 39...
  • Page 40 Fault output to the analog 3.3V rail. R53 and C40 form a low-pass RC filter that filters out the frequencies above 53 kHz. For more information about this power module, please refer to the manufacturer’s data sheet.  2016 Microchip Technology Inc. DS50002505A-page 40...
  • Page 41 R59, R60, R58 and U13D. R54 and C42 filter out the high-frequency noise. It is possible to select any of these feedback signals using jumpers, J12, Note: J13 and J14. Please refer to for more Section 3.2.9 “User Interfaces” information.  2016 Microchip Technology Inc. DS50002505A-page 41...
  • Page 42 Using any combination (Development Board + PIM + Matrix Board) other than that mentioned in the Readme file placed in the source code may lead to unexpected operation.  2016 Microchip Technology Inc. DS50002505A-page 42...
  • Page 43 TABLE 3-3: COMMUNICATION PORT CONFIGURATION Designator Position Description Connects UART Receive Line to RX. Connects USB Receive Line to RX. Connects UART Transmit Line to TX. Connects USB Transmit Line to TX.  2016 Microchip Technology Inc. DS50002505A-page 43...
  • Page 44 Connects Hall B/QEB Sensor Signal to MONITOR_2 Connects DC Bus Shunt Current Feedback to MONITOR_3 Connects Phase M3 Voltage Feedback to MONITOR_3 Connects Hall C/INDEX Sensor Signal to MONITOR_3 Connects the POT Voltage to MONITOR_3  2016 Microchip Technology Inc. DS50002505A-page 44...
  • Page 45 PGD1/EMUD1 signals is provided by the digital isolators, U3, U6, U22 and U7. 3.2.11 Board Connectors Figure 3-2 provides the locations of the connectors. The Power Module Stage Board connectors are listed in Table 3-4. FIGURE 3-2: POWER MODULE BOARD CONNECTORS  2016 Microchip Technology Inc. DS50002505A-page 45...
  • Page 46 Fault (overcurrent or overvoltage condition) Output VAC Zero-Crossing Signal Output PFC Shunt Signal Output PWM Signal for the PFC IGBT Input Ground, Digital Rail Output PWM Fault Output Output PFC Shunt Signal Output  2016 Microchip Technology Inc. DS50002505A-page 46...

  • Page 47: Electrical Specifications

    IGBT. To provide additional air flow, a conventional AC muffin fan can be used (Comair-rotron Part Number 028021 or 028023). An alternative bonded fin heat sink with fans attached is also an option (C&H Technology, Inc. Part Number CH5117F).  2016 Microchip Technology Inc. DS50002505A-page 47...
  • Page 48 MCHV-3 Development Board User’s Guide NOTES:  2016 Microchip Technology Inc. DS50002505A-page 48...

  • Page 49: Appendix A. Board Layout And Schematics

    Figure A-13 – Internal Op Amp Configuration Matrix Board Schematic • Figure A-14 – External Op Amp Configuration Matrix Board Schematic • Figure A-15 – PFC – External Op Amp Configuration Board Schematic  2016 Microchip Technology Inc. DS50002505A-page 49...
  • Page 50 MCHV-3 Development Board User’s Guide FIGURE A-1: PFC STAGE BOARD LAYOUT (TOP)  2016 Microchip Technology Inc. DS50002505A-page 50...
  • Page 51 Board Layout and Schematics FIGURE A-2: PFC STAGE SCHEMATIC (SHEET 1 OF 3)  2016 Microchip Technology Inc. DS50002505A-page 51...
  • Page 52 MCHV-3 Development Board User’s Guide FIGURE A-3: PFC STAGE SCHEMATIC (SHEET 2 OF 3)  2016 Microchip Technology Inc. DS50002505A-page 52...
  • Page 53 Board Layout and Schematics FIGURE A-4: PFC STAGE SCHEMATIC (SHEET 3 OF 3)  2016 Microchip Technology Inc. DS50002505A-page 53...
  • Page 54 MCHV-3 Development Board User’s Guide FIGURE A-5: POWER MODULE STAGE BOARD LAYOUT (TOP)  2016 Microchip Technology Inc. DS50002505A-page 54...
  • Page 55 Board Layout and Schematics FIGURE A-6: POWER MODULE STAGE BOARD LAYOUT (BOTTOM)  2016 Microchip Technology Inc. DS50002505A-page 55...
  • Page 56 MCHV-3 Development Board User’s Guide FIGURE A-7: POWER MODULE STAGE SCHEMATIC (SHEET 1 OF 6)  2016 Microchip Technology Inc. DS50002505A-page 56...
  • Page 57 Board Layout and Schematics FIGURE A-8: POWER MODULE STAGE SCHEMATIC (SHEET 2 OF 6)  2016 Microchip Technology Inc. DS50002505A-page 57...
  • Page 58 MCHV-3 Development Board User’s Guide FIGURE A-9: POWER MODULE STAGE SCHEMATIC (SHEET 3 OF 6)  2016 Microchip Technology Inc. DS50002505A-page 58...
  • Page 59 Board Layout and Schematics FIGURE A-10: POWER MODULE STAGE SCHEMATIC (SHEET 4 OF 6)  2016 Microchip Technology Inc. DS50002505A-page 59...
  • Page 60 MCHV-3 Development Board User’s Guide FIGURE A-11: POWER MODULE STAGE SCHEMATIC (SHEET 5 OF 6)  2016 Microchip Technology Inc. DS50002505A-page 60...
  • Page 61 Board Layout and Schematics FIGURE A-12: POWER MODULE STAGE SCHEMATIC (SHEET 6 OF 6)  2016 Microchip Technology Inc. DS50002505A-page 61...
  • Page 62 REC_NEUTR PIM_REC_NEUTR MONITOR_1 PIM_V_M1/POT MONITOR_2 PIM_V_M2 MONITOR_3 PIM_V_M3/IBus PIM_DC_BUS /IBu s PIM_IBUS/V B IPFC/IA PIM_IA/IPFC VACZX_VAC_POT/IB PIM_IB/POT PIM_POT FAULT_IP/IBus PIM_FLT_OUT1 PIM_FLT_OUT2 PWM2L1 PIM_PFC_PWM HC/INDX PIM_HALLC/INDX/STP_PWM PIM_GEN1 PIM_GEN2 V_M1 PIM_QEA/IA/V_M1 V_M2 PIM_QEB/IB/V_M2 V_M3 PIM_INDX/POT/V_M3  2016 Microchip Technology Inc. DS50002505A-page 62...
  • Page 63 PFC_L PIM_PFC_L REC_NEUTR PIM_REC_NEUTR MONITOR_1 PIM_V_M1/POT MONITOR_2 PIM_V_M2 MONITOR_3 PIM_V_M3/IBus PIM_DC_BUS VBUS/IBus PIM_IBus/V IPFC/IA PIM_IA/IPFC VACZX_VAC_POT/IB PIM_IB/POT PIM_POT FAULT_IP/IBus PIM_FLT_OUT1 PIM_FLT_OUT2 PWM2L1 PIM_PFC_PWM HC/INDX PIM_HALLC/INDX/STP_PWM PIM_GEN1 PIM_GEN2 V_M1 PIM_QEA/IA/V_M1 V_M2 PIM_QEB/IB/V_M2 V_M3 PIM_INDX/POT/V_M3  2016 Microchip Technology Inc. DS50002505A-page 63...
  • Page 64 PFC_L PIM_PFC_L REC_NEUTR PIM_REC_NEUTR MONITOR_1 PIM_V_M1/POT MONITOR_2 PIM_V_M2 MONITOR_3 PIM_V_M3/IBus PIM_DC_BUS /IBus PIM_IBus/V IPFC/IA PIM_IA/IPFC VACZX_VAC_POT/IB PIM_IB/POT PIM_POT FAULT_IP/IBus PIM_FLT_OUT1 PIM_FLT_OUT2 PWM2L1 PIM_PFC_PWM HC/INDX PIM_HALLC/INDX/STP_PWM PIM_GEN1 PIM_GEN2 V_M1 PIM_QEA/IA/V_M1 V_M2 PIM_QEB/IB/V_M2 V_M3 PIM_INDX/POT/V_M3  2016 Microchip Technology Inc. DS50002505A-page 64...

  • Page 65: Index

    Power Module Stage Board Overview ............15 Connectors............45 Power Sequences Electrical Specifications ........... 47 Application Debug Setup ........26 Inverter.............. 47 Power-Down ............. 26 PFC..............47 Power-up............26 Programming and Debugging ......26  2016 Microchip Technology Inc. DS50002505A-page 65...
  • Page 66 Programming Problems ........30 Safety Notice .............. 5 Sales and Service ............ 67 User Interfaces ............44 Starter Kit On-Board Information Tab ........ 30 Warranty Registration..........11 Worldwide Sales and Service........67 WWW Address ............12  2016 Microchip Technology Inc. DS50002505A-page 66...

  • Page 67: Microchip Technology Inc. Ds50002505A

    Index NOTES:  2016 Microchip Technology Inc. DS50002505A-page 67...

  • Page 68: Worldwide Sales And Service

    Tel: 886-2-2508-8600 Tel: 631-435-6000 China - Xian Tel: 86-29-8833-7252 Fax: 886-2-2508-0102 San Jose, CA Fax: 86-29-8833-7256 Tel: 408-735-9110 Thailand - Bangkok Tel: 66-2-694-1351 Canada - Toronto Fax: 66-2-694-1350 Tel: 905-673-0699 Fax: 905-673-6509 07/14/15  2016 Microchip Technology Inc. DS50002505A-page 68...

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