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MIC33M656

EVALUATION BOARD

USER’S GUIDE



2019 Microchip Technology Inc.

DS50002914A-page 29

Appendix A. Schematic and Layouts

A.1

INTRODUCTION

This appendix contains the following schematic and layouts for the MIC33M656
Evaluation Board:
•

Board – Schematic

•

Board – Top Silk

•

Board – Top Copper and Silk

•

Board – Top Copper

•

Board – Signal Layer 1

•

Board – Signal Layer 2

•

Board – Bottom Copper

•

Board – Bottom Copper and Silk

•

Board – Bottom Silk

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Summary of Contents for DT100108

Page 1: ...2019 Microchip Technology Inc DS50002914A MIC33M656 Evaluation Board User s Guide...

Page 2: ...may have a right to sue for relief under that Act Trademarks The Microchip name and logo the Microchip logo Adaptec AnyRate AVR AVR logo AVR Freaks BesTime BitCloud chipKIT chipKIT logo CryptoMemory...

Page 3: ...uation Board Kit 10 Chapter 2 Installation and Operation 11 2 1 Introduction 11 2 2 Features 12 2 3 Getting Started 12 Chapter 3 GUI Installation and Operation 17 3 1 Getting Started 17 3 2 Graphical...

Page 4: ...Board User s Guide DS50002914A page 4 2019 Microchip Technology Inc Appendix B Bill of Materials BOM 35 Appendix C MIC33M656 Internal Registers 37 C 1 Register Map and I2C Programmability 37 Worldwide...

Page 5: ...n Describes the items included in the Graphical User Interface Appendix A Schematic and Layouts Shows the schematic and PCB layout diagrams for the MIC33M656 Evaluation Board Appendix B Bill of Materi...

Page 6: ...ld 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 hF1 Text in angle br...

Page 7: ...rochip Product selector and ordering guides latest Microchip press releases listing of seminars and events listings of Microchip sales offices distributors and factory representatives PRODUCT CHANGE N...

Page 8: ...MIC33M656 Evaluation Board User s Guide DS50002914A page 8 2019 Microchip Technology Inc NOTES...

Page 9: ...age on time soft start slope high side current limit HLL or Forced PWM mode of operation The 2 4V to 5 5V input voltage range low shutdown and quiescent currents make the MIC33M656 ideal for single ce...

Page 10: ...6 device This Evaluation Board demonstrates the MIC33M656 in a buck converter application supplied from an external voltage source 2 4V 5 5V with an I2 C programmed regulated output The I2 C monitor G...

Page 11: ...p to 6A control and monitor through the USB interface via the I2 C monitor GUI Pin headers are also fitted for Bode analysis and external I2 C communication FIGURE 2 1 MIC33M656 Step Down Regulator wi...

Page 12: ...utput Typical 1 5 A Shutdown Supply Current Low Dropout 100 Duty Cycle Operation Ultra Fast Transient Response Latch Off Thermal Shutdown Protection Latch Off Current Limit Protection Power Good Open...

Page 13: ...oltmeter ammeter and load as shown in Figure 2 2 Set the ammeter on a 10A range 2 Fit a jumper on the EN position across the J6 header as marked on the silkscreen 3 Once the input voltage is greater t...

Page 14: ...ASUREMENT The MIC33M656 Evaluation Board provides injection points and a termination resistor R12 for AC loop gain measurements If needed the value of R12 can be changed to optimize the injection sign...

Page 15: ...isabled either by placing the EN jumper on the J6 header in the SDN position or applying a logic 0 voltage on the EN test point Program the module via the I2 C interface using the PC GUI interface to...

Page 16: ...URRENTS When testing the MIC33M656 device at high load currents or when checking the overcurrent protection behavior it may be necessary to remove the series ammeter shown in Figure 2 2 or to replace...

Page 17: ...from www microsoft com and follow the installation instructions 2 If Adobe Acrobat Reader is already installed go to Step 3 If not download Adobe Acrobat Reader from http get adobe com reader and foll...

Page 18: ...allShield Wizard for I2CMonitor window click the Next button to start the installation FIGURE 3 1 Starting the I2C Monitor Graphical User Interface Installation 7 The installation path can be changed...

Page 19: ...S50002914A page 19 8 In the Ready to Install the Program window click the Install button and wait for the application to proceed with the installation The progress can be observed in the Status bar FI...

Page 20: ...esktop icon or browse to Windows Start All Programs Microchip I2C Monitor FIGURE 3 4 The Installation Complete Window 3 3 I2 C MONITOR GRAPHICAL USER INTERFACE UNINSTALL In order to install a new vers...

Page 21: ...nitor Graphical User Interface Main Window MIC33M656 View NOTICE This chapter provides information regarding the use of the GUI only in the case of the MIC33M656 device For other devices using the I2...

Page 22: ...ofile 4 2 2 File Menu The File menu allows the user to save Save registers to file the registers of the currently selected device to a file that can then be loaded into the GUI by using the Load regis...

Page 23: ...ers will be available for read and write operations TABLE 4 1 MONITOR STATUS AND CONTROL BAR Item Description Addr This drop down menu shows the address of the available devices Connector This drop do...

Page 24: ...I2C GENERIC REGISTER VIEW ITEMS Panel Item Description Operation Register This section shows the registers available for read write operations Read Write These buttons are used for single register rea...

Page 25: ...Activate output pull down when disabled This check box activates the automatic output pull down resistor when the MIC33M656 is disabled Latch off after 4 OverTemp Cycles This check box sets the latch...

Page 26: ...to simplify this an auxiliary trigger signal is provided on pin GP2 of the MCP2221 This signal is triggered for each user Read Write command TABLE 4 4 MIC33M656 I2 C DIAGNOSTIC AREA ITEMS Panel Items...

Page 27: ...device connected to the board Refer to Table 4 6 for a list of possible labels Progress Bar This bar shows the level of completion for a given command TABLE 4 6 STATUS LABELS Status Label Description...

Page 28: ...MIC33M656 Evaluation Board User s Guide DS50002914A page 28 2019 Microchip Technology Inc NOTES...

Page 29: ...ic and Layouts A 1 INTRODUCTION This appendix contains the following schematic and layouts for the MIC33M656 Evaluation Board Board Schematic Board Top Silk Board Top Copper and Silk Board Top Copper...

Page 30: ...D 3 0 USB 2 0 Micro B Female J7 GND SCL SDA 1 2 3 4 J2 PWR 4 7 F 10V 0805 C2 4 7 F 10V 0805 C11 10R 0603 1 R12 1 1 2 DNP J9 22 F 10V 0805 C9 JP1 JP2 0R DNP R10 JP2 should be mounted on 1 2 pins J8 GN...

Page 31: ...Schematic and Layouts 2019 Microchip Technology Inc DS50002914A page 31 A 3 BOARD TOP SILK A 4 BOARD TOP COPPER AND SILK...

Page 32: ...MIC33M656 Evaluation Board User s Guide DS50002914A page 32 2019 Microchip Technology Inc A 5 BOARD TOP COPPER A 6 BOARD SIGNAL LAYER 1...

Page 33: ...Schematic and Layouts 2019 Microchip Technology Inc DS50002914A page 33 A 7 BOARD SIGNAL LAYER 2 A 8 BOARD BOTTOM COPPER...

Page 34: ...MIC33M656 Evaluation Board User s Guide DS50002914A page 34 2019 Microchip Technology Inc A 9 BOARD BOTTOM COPPER AND SILK A 10 BOARD BOTTOM SILK...

Page 35: ...54 Male 1x3 Tin 5 84 MH TH Vertical Samtec Inc TSW 103 07 T S 1 J7 Connector USB 2 0 Micro B Female SMD R A Amphenol ICC 10118193 0001LF 1 J10 Connector RF Coaxial Ultra Miniature Male SMD Vertical H...

Page 36: ...ack 3M 70006431483 1 PCB1 Printed Circuit Board Microchip Technology Inc 04 11021 R1 0 C4 C5 DO NOT POPULATE Taiyo Yuden Co Ltd LMK325B7476MM TR 0 J9 DO NOT POPULATE Amphenol ICC 77311 118 02LF 0 R10...

Page 37: ...ster FAULT OT_WARN EN_STAT BOOT_ERR SSD HICCUP OT LATCH_OFF PG REGISTER C 1 CTRL1 CONTROL REGISTER ADDRESS 0x00 R W 0 R W 0 R W 0 R W 0 R W 0 R W 0 R W 0 R W 0 TON 1 0 ILIM 1 0 EN_DELAY 1 0 EN_INT EN_...

Page 38: ...Bit is set 0 Bit is cleared x Bit is unknown bit 7 DIS_100PCT Disable 100 Duty Cycle 0 100 DC 1 Disable 100 DC bit 6 FPWM Force PWM 0 HLL 1 FPWM bit 5 OT_LATCH Overtemperature Latch 0 Latch off immed...

Page 39: ...5V 0xCA 1 015V 0xEA 1 175V 0x8B 0 7V 0xAB 0 86V 0xCB 1 02V 0xEB 1 18V 0x8C 0 705V 0xAC 0 865V 0xCC 1 025V 0xEC 1 185V 0x8D 0 71V 0xAD 0 87V 0xCD 1 03V 0xED 1 19V 0x8E 0 715V 0xAE 0 875V 0xCE 1 035V 0x...

Page 40: ...78V 0x6D 1 1V 0x8D 1 56V 0xAD 2 2V 0xCD 2 84V 0xED 3 48V 0x4E 0 79V 0x6E 1 11V 0x8E 1 58V 0xAE 2 22V 0xCE 2 86V 0xEE 3 5V 0x4F 0 8V 0x6F 1 12V 0x8F 1 6V 0xAF 2 24V 0xCF 2 88V 0xEF 3 52V 0x50 0 81V 0x7...

Page 41: ...at POR 1 Bit is set 0 Bit is cleared x Bit is unknown bit 7 OT_WARN Overtemperature Warning 0 No Fault 1 Fault bit 6 EN_STAT Buck On Off Control 0 Off 1 On bit 5 BOOT_ERR Boot up Error 0 No Fault 1 F...

Page 42: ...00 China Xian Tel 86 29 8833 7252 China Xiamen Tel 86 592 2388138 China Zhuhai Tel 86 756 3210040 ASIA PACIFIC India Bangalore Tel 91 80 3090 4444 India New Delhi Tel 91 11 4160 8631 India Pune Tel 91...

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