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MPS HR1200 User Manual

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AN103
2
User Guide for the HR1200 I
C Kit and GUI
User Guide for the
2
HR1200 I
C Kit and GUI
Application Note
Prepared by Danica Jiang
August 2017
AN103 Rev. 1.0
MonolithicPower.com
1
8/4/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.

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Summary of Contents for MPS HR1200

  • Page 1 C Kit and GUI User Guide for the HR1200 I C Kit and GUI Application Note Prepared by Danica Jiang August 2017 AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.
  • Page 2 AN103 – USER GUIDE FOR THE HR1200 I C KIT AND GUI ABSTRACT This user guide contains guidelines to configure the electrical parameters and program the HR1200. This guide also provides step-by-step instructions on how to use the GUI and I C Kit.
  • Page 3 Online mode: Ensure that VCC of the EVB is fully discharged and the bus bulk capacitor is discharged below 10V. AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.

  • Page 4: Table Of Contents

    8.  Appendix A: USB Driver Installation ....................18  9.  Appendix B: Register Address ......................21  10.  Appendix C: Common Faults and Troubleshooting ................. 23  AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.

  • Page 5: Introduction

    AN103 – USER GUIDE FOR THE HR1200 I C KIT AND GUI 1. INTRODUCTION The HR1200 integrates a digital PFC controller and an analog LLC controller into a single chip. Under different input and output conditions, the digital PFC enables customers to optimize PFC performance through programming.

  • Page 6: Usb Isolator

    Kit connected to the board, as the current consumption of the IC will be influenced. 4. USB ISOLATOR Since the HR1200 is a primary-side controller, its reference ground is coupled to the AC line (point A). Through the Kit, point A is connected to the USB reference ground of the computer (point B, the negative side of 5V DC voltage).

  • Page 7: Step-By-Step Guide For Offline Programming

    Step 2: Connect the Kit with the EVB after the Kit is recognized by the computer (see Figure 6). Figure 6: Kit Recognized by Computer Step 3: Load the GUI folder and double click “HR1200” to start up the GUI (see Figure 7). Then the interface shown in Figure 8 appears.
  • Page 8 If the Kit connects successfully with both the USB port and EVB, then the Kit proceeds to Mode Recognition. AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.
  • Page 9 Figure 9: Main Interface in Offline Mode Step 5: Configure the parameters of the digital PFC part of the HR1200 by selecting various menu items on the GUI interface (see the below list). Personal design parameters can also be imported.
  • Page 10 Soft-start time of the PFC at high-line voltage Boot Time at Low Line Soft-start time of the PFC at low-line voltage AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.
  • Page 11 3) To achieve zero-voltage switching (ZVS) in discontinuous conduction mode (DCM), ZCD Period must be measured manually before it can be filled in. AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.
  • Page 12  π         REF_COMP 1000000 Figure 13: PF COMP Design Panel AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.
  • Page 13 To precisely compensate the AC brown-out voltage, Trim1, Trim2 and Trim3 are introduced. Please refer to Appendix B for the corresponding register address. AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.
  • Page 14 Figure 17). Figure 17: Connect Panel Press “Program” to program all panel parameters to the EEPROM of the HR1200. When programming is finished, the EEPROM data are read out and compared with the original written values to perform a self-check. If something is wrong, a corresponding prompt box displays. If there are no errors, following prompt box is displayed: “Program successfully.”...

  • Page 15: Step-By-Step Guide For Online Programming And Monitoring

    Figure 18: Main Interface in Online Mode Step 6: Configure the parameters of the digital PFC part of the HR1200 through the GUI. In addition to the panels introduced in Section 6, there is a special panel in online mode.
  • Page 16 C KIT AND GUI H. Monitor Panel This panel provides the function of monitoring the status of the HR1200. The input/output of the PFC stage can be checked to determine the fault state (see Figure 19). Figure 19: Monitor Panel Step 7: If the parameters in “Circuit”, “Design”, or “Protection”...
  • Page 17 Step 8: Disconnect the AC input. Step 9: Reset the Kit and EVB AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.

  • Page 18: Appendix A: Usb Driver Installation

    Step 2: Connect the USB board to the computer via USB cable. There should be an unrecognized device in the device manager. Step 3: Update the drivers. AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.
  • Page 19 For WINXP and WIN7 32-bit OS, the system searches for the driver file automatically. Follow the instructions and click “Next”. AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.
  • Page 20 “Open” and select “OK”. Step 8: Choose “Cypress EZ-USB Example Device” and select “Next”. The USB driver will be installed. AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.

  • Page 21: Appendix B: Register Address

    Vout Level 2 at High Line 0F, 11 Vout Level 3 at High Line 10, 11 Vout Normal at Low Line 03, 1D AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.
  • Page 22 3C Bit:3~0 Trim 1 Trim 2 Trim 3 Input Current Hysteresis Input Current Level 2 Input Current Level 1 AN103 Rev. 1.0 MonolithicPower.com 8/4/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved.

  • Page 23: Appendix C: Common Faults And Troubleshooting

    NOTICE: The information in this document is subject to change without notice. Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not assume any legal responsibility for any said applications.

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