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Summary of Contents for Microchip Technology MCP19111
- Page 1 Chipsmall Limited consists of a professional team with an average of over 10 year of expertise in the distribution of electronic components. Based in Hongkong, we have already established firm and mutual-benefit business relationships with customers from,Europe,America and south Asia,supplying obsolete and hard-to-find components to meet their specific needs.
- Page 2 MCP19111 PMBus™ Protocol-Enabled Point-of-Load (POL) Converter Reference Design User’s Guide 2015 Microchip Technology Inc. DS50002379A...
- Page 3 USBCheck, VariSense, ViewSpan, 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. Silicon Storage Technology is a registered trademark of Microchip Technology Inc.
- Page 4 Object of Declaration: MCP19111 PMBus™ Protocol-Enabled POL Converter Reference Design 2015 Microchip Technology Inc. DS50002379A-page 3...
- Page 5 MCP19111 PMBus™ Protocol-Enabled POL Converter Reference Design NOTES: 2015 Microchip Technology Inc. DS50002379A-page 4...
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Page 6: Table Of Contents
Recommended Reading..................10 The Microchip Web Site ..................10 Development Systems Customer Change Notification Service ......11 Customer Support ....................11 MCP19111 PMBus™-Enabled POL Converter Reference Design License..11 Revision History ....................11 Chapter 1. Product Overview 1.1 Introduction ....................13 1.2 MCP19111 Device Short Overview .............. - Page 7 MCP19111 PMBus™ Protocol-Enabled POL Converter Reference Design Appendix A. Schematics and Layouts A.1 Introduction ....................33 A.2 Board – Schematic 1 ..................34 A.3 Board – Schematic 2 ..................35 A.4 Board – Top Layer ..................36 A.5 Board – Top Copper ..................36 A.6 Board –...
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Page 8: Preface
• Revision History WARNING The present reference design is intended to be used only to prove the MCP19111 functionality and performance, solely in a laboratory environment. Microchip Technology Inc. assumes no liability for any damage resulting from using the present reference design in other purposes. -
Page 9: Document Layout
MCP19111 PMBus™ Protocol-Enabled POL Converter Reference Design DOCUMENT LAYOUT This document describes how to use the MCP19111 PMBus™ Protocol-Enabled Point-of-Load Converter Reference Design as a development tool to emulate and debug firmware on a target board, as well as how to program devices. The document is organized as follows: •... -
Page 10: Conventions Used In This Guide
Curly brackets and pipe Choice of mutually exclusive character: { | } arguments; an OR selection Ellipses... Replaces repeated text var_name [, var_name...] void main (void) Represents code supplied by user { ... 2015 Microchip Technology Inc. DS50002379A-page 9... -
Page 11: Warranty Registration
This user’s guide describes how to use the PMBus Monitoring Graphical User Interface (GUI). TB3139, MCP19111 PMBus™ Firmware Technical Brief (DS90003139) This technical brief describes how to use the MCP19111 PMBus firmware. THE MICROCHIP WEB SITE Microchip provides online support via our web site at www.microchip.com. This web site is used as a means to make files and information easily available to customers. -
Page 12: Development Systems Customer Change Notification Service
MCP19111 PMBUS-ENABLED POL CONVERTER REFERENCE DESIGN LICENSE Copyright © 2015 Microchip Technology Inc. All rights reserved. 1. License Grant. Microchip licenses to you the right to use this reference design and all related documentation (“Reference Design Materials”) for purposes of developing your application using Microchip products. -
Page 13: Revision History
MCP19111 PMBus™ Protocol-Enabled POL Converter Reference Design REFERENCE DESIGN MATERIALS ARE PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, TITLE, NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE. 3. Limit on Liability. IN NO EVENT WILL MICROCHIP BE LIABLE OR... -
Page 14: Chapter 1. Product Overview
Chapter 1. Product Overview NOTICE TO CUSTOMERS The present reference design is intended to be used only to prove the MCP19111 functionality and performance, solely in laboratory environment. Microchip Technology Inc. assumes no liability for any damage resulting from using the present reference design in other purposes. - Page 15 HDRV TRACK GPA2 BOOT PGOOD GPB2 PHASE CNTL GPA3 LDRV ADDR1 GPB7 ADDR0 GPB6 MCP19111 SYNC GPA1 ™ Alert SMBus GPA4 GPA7 GPB0 ICDDAT GPB4 MPLAB ® X I CD ICDCLK Programmer GPB5 MCLR GPA5 FIGURE 1-1: MCP19111 Typical Application.
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Page 16: What Is The Mcp19111 Pmbus™ Protocol-Enabled Point-Of-Load
Printed Circuit Board (PCB) layout that minimizes parasitics, while increasing efficiency and power density. Proper PCB layout is critical to achieve optimum MCP19111 operation, as well as power train efficiency and noise minimization. SYSTEM REQUIREMENTS To operate the board, the following tools are required: ®... -
Page 17: The Development System's Components
C connection for further board development. To resume the original functionality of the ARD00609, the user can download the 00609_RevA1.hex file from Microchip’s web site and upload it in the MCP19111 using a PICkit 3 In-Circuit Debugger/Programmer. WHAT THE MCP19111 PMBus™ PROTOCOL-ENABLED POINT-OF-LOAD CONVERTER REFERENCE DESIGN KIT CONTAINS? This MCP19111 PMBus™... -
Page 18: Chapter 2. Installation And Operation
USER’S GUIDE Chapter 2. Installation and Operation BOARD FEATURES The MCP19111 PMBus™ Protocol-Enabled Point-of-Load Converter Reference Design was developed to provide a compact, low-cost and highly efficient step-down conversion for low-to-medium output currents. The key features of this board include: •... -
Page 19: Getting Started
MCP19111 PMBus™ Protocol-Enabled POL Converter Reference Design GETTING STARTED The MCP19111 PMBus™ Protocol-Enabled Point-of-Load Converter Reference Design is fully assembled and tested to evaluate and demonstrate the MCP19111 capabilities. 2.2.1 Necessary Instruments and Tools • Adjustable DC Power Supply with 0V-15V/5 ADC Range Output Capability •... -
Page 20: Board Testing
Chapter 4. “Typical Performance Data, Curves and Waveforms”. presented in TP33 TP32 ICP/I TP35 BODE PLOT TP12 ANALYZER TP31 TP34 TP14 TP30 TP18 PROG TP41 TP40 TP16 LOAD TP17 FIGURE 2-1: Typical Test Setup. 2015 Microchip Technology Inc. DS50002379A-page 19... - Page 21 MCP19111 PMBus™ Protocol-Enabled POL Converter Reference Design TABLE 2-1: TEST POINT DESCRIPTION Test Point Name Description Note 1 Connects to GPA0 or Analog Test Output ( GPA0 Note 1 GPB1 Connects to GPB1 ( Note 1 By Default, used as Power-on Signal (connected to BT1) (...
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Page 22: Chapter 3. Calibration Procedure
For more information on the Installation and Operation of the PMBMonitor GUI, refer to the “PMBus™ Monitoring Graphical User Interface User’s Guide” (DS50002380). Developer IOUT Calibration Menu Settings Panel VOUT Settings Panel Text Box STATUS Bar Code Label FIGURE 3-1: PMBMonitor GUI – Calibration Tab. 2015 Microchip Technology Inc. DS50002379A-page 21... -
Page 23: Voltage Calibration
MCP19111 PMBus™ Protocol-Enabled POL Converter Reference Design VOLTAGE CALIBRATION Follow these steps to perform the voltage calibration procedure: 1. Select Developer from the PMBMonitor GUI main menu, then choose the Calibration tab. 2. In the VOUT Settings Panel, press the Read button. -
Page 24: Current Calibration With Inductor Temperature Measurement
5. Press Send from the bottom of the IOUT Settings Panel. WARNING Keep constant board temperature around ambient during Steps 2 to 5; therefore, all these measurements should be done as fast as possible and/or provide adequate cooling. 2015 Microchip Technology Inc. DS50002379A-page 23... - Page 25 MCP19111 PMBus™ Protocol-Enabled POL Converter Reference Design Steps 6-12 are used to calibrate the temperature coefficient. Note that these steps apply only when a different inductor and/or layout is used. 6. Write down the T0 value from the “ADC(T0)” field.
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Page 26: Chapter 4. Typical Performance Data, Curves And Waveforms
= 20A Output Voltage Overshoot during Step Load (mV) <30 Step Load 5A to 15A Switching Frequency (kHz) Typical 570 kHz — = 8V Vin=8V = 12V Vin=12V Vin=14V = 14V FIGURE 4-1: Efficiency. 2015 Microchip Technology Inc. DS50002379A-page 25...
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