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Summary of Contents for Microchip Technology MIC28514
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Page 1: Evaluation Board
MIC28514 Evaluation Board User’s Guide 2017 Microchip Technology Inc. DS50002565B... - Page 2 Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design Germany II GmbH & Co. KG, a subsidiary of Microchip Technology and manufacture of development systems is ISO 9001:2000 certified. Inc., in other countries.
- Page 3 For information regarding the exclusive, limited warranties applicable to Microchip products, please see Microchip’s standard terms and conditions of sale, which are printed on our sales documentation and available at www.microchip.com. Signed for and on behalf of Microchip Technology Inc. at Chandler, Arizona, USA. 2017 Microchip Technology Inc.
- Page 4 NOTES: 2017 Microchip Technology Inc. DS50002565B-page 4...
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Page 5: Table Of Contents
1.1 Introduction ....................11 1.2 MIC28514 Evaluation Board Overview ............11 1.3 MIC28514 Evaluation Board Features ............12 1.4 What the MIC28514 Evaluation Board Kit Contains ........12 Chapter 2. Installation and Operation 2.1 System and Configuration Requirements ............. 13 2.2 Board Setup .................... - Page 6 MIC28514 Evaluation Board User’s Guide 2017 Microchip Technology Inc. DS50002565B-page 6...
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Page 7: Preface
Customer Support • Document Revision History DOCUMENT LAYOUT This document describes how to use the MIC28514 Evaluation Board as a development tool to emulate and debug firmware on a target board. The manual layout is as follows: • – Important information about the MIC28514 Chapter 1. -
Page 8: Conventions Used In This Guide
MIC28514 Evaluation Board User’s Guide CONVENTIONS USED IN THIS GUIDE This manual uses the following documentation conventions: DOCUMENTATION CONVENTIONS Description Represents Examples Arial font: ® Italic characters Referenced books MPLAB IDE User’s Guide Emphasized text ...is the only compiler... Initial caps... -
Page 9: Recommended Reading
Preface RECOMMENDED READING This user’s guide describes how to use the MIC28514 Evaluation Board. Another useful document is listed below. The following Microchip document is available and recommended as a supplemental reference resource: ® • MIC28514 Data Sheet – “75V/5A Hyper Speed Control Synchronous DC/DC Buck Regulator with External Soft Start”... - Page 10 MIC28514 Evaluation Board User’s Guide NOTES: 2017 Microchip Technology Inc. DS50002565B-page 10...
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Page 11: Chapter 1. Product Overview
MIC28514 EVALUATION BOARD USER’S GUIDE Chapter 1. Product Overview INTRODUCTION This chapter provides an overview of the MIC28514 Evaluation Board and covers the following topics: • MIC28514 Evaluation Board Overview • MIC28514 Evaluation Board Features • What the MIC28514 Evaluation Board Kit Contains... -
Page 12: Mic28514 Evaluation Board Features
(default option is set to 5V) • 300 kHz Switching Frequency (adjustable from 270 kHz to 800 kHz) WHAT THE MIC28514 EVALUATION BOARD KIT CONTAINS The MIC28514 Evaluation Board includes the following items: • MIC28514 Evaluation Board (ADM00804) • Important Information Sheet ... -
Page 13: Chapter 2. Installation And Operation
USER’S GUIDE Chapter 2. Installation and Operation SYSTEM AND CONFIGURATION REQUIREMENTS The MIC28514 Evaluation Board requires only a single power supply with at least 5A current capability. The MIC28514 has an internal V LDO so no external linear regu- lator is required to power the internal biasing of the IC. In applications with V <... -
Page 14: Circuit Description
2.3.1 Feedback Resistors The output voltages available on the MIC28514 Evaluation Board are: 0.8V, 1.2V, 2.5V, 3.3V, 5V and 12V, which are selectable using jumper J10. Voltages other than the ones already available can be set by modifying the R... -
Page 15: Sw Node
DS(ON) inductor current. In each switching cycle of the MIC28514 converter, the inductor cur- rent is sensed by monitoring the voltage across the low-side MOSFET, during the off period of the switching cycle, during which the low-side MOSFET is on. An internal current source of 135 µA generates a voltage across the external Current-Limit... -
Page 16: Setting The Soft Start Time
Auxiliary Bootstrap LDO (EXTVDD) The MIC28514 Evaluation Board features an auxiliary bootstrap LDO which improves the system efficiency by supplying the MIC28514 internal circuit bias power from the converter output voltage. This LDO is enabled when the voltage on the EXTVDD pin is above 4.6V (typical), and at the same time, the main LDO, which operates from V... -
Page 17: Appendix A. Schematic And Layouts
MIC28514 EVALUATION BOARD USER’S GUIDE Appendix A. Schematic and Layouts INTRODUCTION This appendix contains the following schematics and layouts for the MIC28514 Evaluation Board: • Board – Schematic • Board – Top Silk • Board – Top Copper and Silk •... -
Page 18: Board - Schematic
1 μF JACK Banana HDR-2.54 Male 1x2 HDR-2.54 Male 1x2 100V HDR-2.54 Male 2x6 0603 0805 0.1 μF 100V JACK Banana MIC28514/0.6V to 32V 0.1 μF 100V 0603 2.1k HDR-2.54 Male 1x2 0603 PGOOD 39 μF 0.1 μF 2.2 μF 2.2 μF... -
Page 19: Board - Top Silk
Schematic and Layouts BOARD – TOP SILK BOARD – TOP COPPER AND SILK 2017 Microchip Technology Inc. DS50002565B-page 19... -
Page 20: Board - Top Copper
MIC28514 Evaluation Board User’s Guide BOARD – TOP COPPER BOARD – MID COPPER LAYER 1 2017 Microchip Technology Inc. DS50002565B-page 20... -
Page 21: Board - Mid Copper Layer 2
Schematic and Layouts BOARD – MID COPPER LAYER 2 BOARD – BOTTOM COPPER 2017 Microchip Technology Inc. DS50002565B-page 21... -
Page 22: Board - Bottom Copper And Silk
MIC28514 Evaluation Board User’s Guide BOARD – BOTTOM COPPER AND SILK 2017 Microchip Technology Inc. DS50002565B-page 22... -
Page 23: Appendix B. Bill Of Materials (Bom)
Printed Circuit Board Microchip Technology 04-10614-R1 Inc. The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM Note 1: used in manufacturing uses all RoHS-compliant components. 2017 Microchip Technology Inc. DS50002565B-page 23... - Page 24 MIC28514 Evaluation Board User’s Guide TABLE B-1: BILL OF MATERIALS (BOM) (CONTINUED) Qty. Reference Description Manufacturer Part Number Connector Jack Banana Red Female, Multicomp Inc. 24.243.1 4.0 mm, TH, R/A The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM Note 1: used in manufacturing uses all RoHS-compliant components.
- Page 25 Mechanical Hardware, Rubber Pad, SJ61A2 PAD4 Cylindrical, D9.53H5.97 The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM Note 1: used in manufacturing uses all RoHS-compliant components. 2017 Microchip Technology Inc. DS50002565B-page 25...
- Page 26 MIC28514 Evaluation Board User’s Guide ® NOTES: 2017 Microchip Technology Inc. DS50002565B-page 26...
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Page 27: Worldwide Sales And Service
Thailand - Bangkok Tel: 86-29-8833-7252 Tel: 66-2-694-1351 Sweden - Stockholm Tel: 408-436-4270 Tel: 46-8-5090-4654 Fax: 86-29-8833-7256 Fax: 66-2-694-1350 Canada - Toronto UK - Wokingham Tel: 905-695-1980 Tel: 44-118-921-5800 Fax: 905-695-2078 Fax: 44-118-921-5820 2017 Microchip Technology Inc. DS50002565B-page 26 11/07/16... - Page 28 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Microchip ADM00804...
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