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MCP1642B/D High-Current Synchronous Boost Converter Evaluation Board User’s Guide

DS50002353A-page 22

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2015 Microchip Technology Inc.

A.4

BOARD – TOP COPPER AND SILK

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Summary of Contents for MCP1642B

Page 1: ...2015 Microchip Technology Inc DS50002353A MCP1642B D High Current Synchronous Boost Converter Evaluation Board User s Guide...

Page 2: ...Microchip s code protection feature may be a violation of the Digital Millennium Copyright Act If such acts allow unauthorized access to your software or other copyrighted work you may have a right to...

Page 3: ...2015 Microchip Technology Inc DS50002353A page 3 Object of Declaration MCP1642B D High Current Synchronous Boost Converter Evaluation Board...

Page 4: ...MCP1642B D High Current Synchronous Boost Converter Evaluation Board User s Guide DS50002353A page 4 2015 Microchip Technology Inc NOTES...

Page 5: ...Synchronous Boost Converter Evaluation Board 12 1 4 Contents of the MCP1642B D High Current Synchronous Boost Converter Evaluation Board 12 Chapter 2 Installation and Operation 2 1 Introduction 13 2...

Page 6: ...MCP1642B D High Current Synchronous Boost Converter Evaluation Board User s Guide DS50002353A page 6 2015 Microchip Technology Inc NOTES...

Page 7: ...a description of the user s guide Appendix A Schematic and Layouts Shows the schematic and layout diagrams for the MCP1642B D High Current Synchronous Boost Converter Evaluation Board Appendix B Bill...

Page 8: ...enu path File Save Bold characters A dialog button Click OK A tab Click the Power tab N Rnnnn A number in verilog format where N is the total number of digits R is the radix and n is a digit 4 b0010 2...

Page 9: ...es and hardware support documents latest software releases and archived software General Technical Support Frequently Asked Questions FAQs technical support requests online discussion groups Microchip...

Page 10: ...MCP1642B D High Current Synchronous Boost Converter Evaluation Board User s Guide DS50002353A page 10 2015 Microchip Technology Inc NOTES...

Page 11: ...odulation PWM at a fixed 1 MHz switching frequency has a wide input voltage range from 0 35 to 5 5V with typically 0 65V start up voltage at 1 mA load current The device is available in an 8 Lead MSOP...

Page 12: ...the applications using MCP1642B D ADJ can be set using the external resistor divider The converter can be disabled by tying the Enable pin EN to ground GND When disabled MCP1642B disconnects the path...

Page 13: ...ng the output voltage over a wide 1 8V to 5 5V range and typically can deliver over 400 mA of load current at 3 3V output when supplied from a single 1 5V cell The regulated output voltage VOUT should...

Page 14: ...high energy capacity even at high drains Additionally Ultimate Lithium batteries have a very low internal resistance allowing them to maintain a high voltage at very high loads 2 1 2 MCP1642B D High C...

Page 15: ...RE 2 2 MCP1642B D Synchronous Boost Applications VIN EN GND VFB SW VIN 1V 3 0V VOUT 3 3V COUT 10 F CIN 10 F L1 4 7 H VOUT PG MCP1642D 33 NC VIN EN GND VFB SW VIN 1 4 5V VOUT 5 0V COUT 10 F CIN 10 F L1...

Page 16: ...test points are available to connect a load The switch peak current limit will provide a safe maximum current value The maximum output current for the converters will vary with input and output volta...

Page 17: ...echnology Inc DS50002353A page 17 2 2 1 3 ADJUSTABLE VOUT SETTING The resistor divider RT and RB is used to set the converter output voltage The output voltage can be calculated using Equation 2 1 EQU...

Page 18: ...MCP1642B D High Current Synchronous Boost Converter Evaluation Board User s Guide DS50002353A page 18 2015 Microchip Technology Inc NOTES...

Page 19: ...53A page 19 Appendix A Schematic and Layouts A 1 INTRODUCTION This appendix contains the following schematics and layouts for the MCP1642 High Current Low Start up Voltage Synchronous Boost Converter...

Page 20: ...3 EN 1 SGND 7 VFB 2 PGND 6 MCP1642B ADJ U2 10uF 10V 0805 CIN2 10uF 10V 0805 COUT2 1 J6 1 J8 GND2 1 J5 1 J7 GND2 GND2 309k 1 RB GND2 SW2 VIN 8 SW 5 VOUT 4 PG 3 EN 1 SGND 7 VFB 2 PGND 6 MCP1642B 33 U1 1...

Page 21: ...Schematic and Layouts 2015 Microchip Technology Inc DS50002353A page 21 A 3 BOARD TOP SILK AND PADS...

Page 22: ...MCP1642B D High Current Synchronous Boost Converter Evaluation Board User s Guide DS50002353A page 22 2015 Microchip Technology Inc A 4 BOARD TOP COPPER AND SILK...

Page 23: ...Schematic and Layouts 2015 Microchip Technology Inc DS50002353A page 23 A 5 BOARD TOP COPPER...

Page 24: ...MCP1642B D High Current Synchronous Boost Converter Evaluation Board User s Guide DS50002353A page 24 2015 Microchip Technology Inc A 6 BOARD BOTTOM COPPER...

Page 25: ...JUMPER 2 54 mm 1x2 Handle Gold TE Connectivity Ltd 881545 2 2 L1 L2 INDUCTOR 4 7 H 2A 20 SMD XFL4020 Coilcraft XFL4020 472MEB 1 PCB MCP1642D B Printed Circuit Board Microchip Technology Inc 104 10026...

Page 26: ...MCP1642B D High Current Synchronous Boost Converter Evaluation Board User s Guide DS50002353A page 26 2015 Microchip Technology Inc NOTES...

Page 27: ...86 24 2334 2829 Fax 86 24 2334 2393 China Shenzhen Tel 86 755 8864 2200 Fax 86 755 8203 1760 China Wuhan Tel 86 27 5980 5300 Fax 86 27 5980 5118 China Xian Tel 86 29 8833 7252 Fax 86 29 8833 7256 ASI...

Page 28: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Microchip ADM00460...

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