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Preface

 2016 - 2018 Microchip Technology Inc.

DS50002723A-page 7

RECOMMENDED READING

This user’s guide describes how to use the MIC7401 Evaluation Board. Another use-
ful document is listed below. The following Microchip document is available and 
recommended as a supplemental reference resource:

MIC7401 Data Sheet 

– “

Configurable PMIC, Five-Channel Buck Regulator Plus 

One-Boost with HyperLight Load® and I

2

C Contro

l”, DS20005618A.

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. 
Accessible by using your favorite Internet browser, the website contains the following 
information:

Product Support

 – Data sheets and errata, application notes and sample 

programs, design resources, user’s guides and hardware support documents, 
latest software releases and archived software

General Technical Support

 – Frequently Asked Questions (FAQs), technical 

support requests, online discussion groups, Microchip consultant program 
member listing

Business of Microchip

 – 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 NOTIFICATION SERVICE 

Microchip’s customer notification service helps keep customers current on Microchip 
products. Subscribers will receive e-mail notifications whenever there are changes, 
updates, revisions or errata related to a specified product family or development tool of 
interest.
To register, access the Microchip web site at 

www.microchip.com

, click on 

Product 

Change Notification

 and follow the registration instructions.

CUSTOMER SUPPORT

Users of Microchip products can receive assistance through several channels:
• Distributor or Representative
• Local Sales Office
• Field Application Engineer (FAE)
• Technical Support
Customers should contact their distributor, representative or field application engineer 
(FAE) for support. Local sales offices are also available to help customers. A listing of 
sales offices and locations is included in the back of this document.
Technical support is available through the web site at: 

http://www.microchip.com/support

.

DOCUMENT REVISION HISTORY

Revision A (May 2018)

• Initial Release of this Document.

Summary of Contents for MIC7401

Page 1: ...2016 2018 Microchip Technology Inc DS50002723A MIC7401 Evaluation Board User s Guide...

Page 2: ...ceived ISO TS 16949 2009 certification for its worldwide headquarters design and wafer fabrication facilities in Chandler and Tempe Arizona Gresham Oregon and design centers in California and India Th...

Page 3: ...C7401 Evaluation Board Kit Includes 9 Chapter 2 Installation and Operation 2 1 Introduction 11 2 2 Getting Started 12 2 3 MIC7401 Evaluation Board Connectors 13 2 4 Required Software and Hardware Tool...

Page 4: ...troduction 27 A 2 ADM00812 Board Schematic 28 A 3 Board Top Silk 29 A 4 Board Top Copper and Silk 29 A 5 Board Top Copper 30 A 6 Board Mid Layer 1 30 A 7 Board Mid Layer 2 31 A 8 Board Bottom Copper 3...

Page 5: ...ow to use the I2 C Monitor 3 1 0 software application using the MIC7401 included in the kit Appendix A Schematic and Layouts Shows the schematic and layout diagrams for the MIC7401 Evaluation Board Ap...

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

Page 7: ...ing Business of Microchip Product selector and ordering guides latest Microchip press releases listing of seminars and events listings of Microchip sales offices distributors and factory representativ...

Page 8: ...MIC7401 Evaluation Board User s Guide DS50002723A page 8 2016 2018 Microchip Technology Inc NOTES...

Page 9: ...luding start up sequencing timing soft start ramp output voltage levels current limit levels and output discharge for each channel In Standby mode the PMIC can be configured in a low power state by ei...

Page 10: ...oltage of 2 4V to 5 5V The board features test points for monitoring each channel s output voltage input voltage test points dif ferent functionality connectors and high power turret connectors for bo...

Page 11: ...chnology Inc DS50002723A page 11 Output pull down Power on Reset 1 4 WHAT THE MIC7401 EVALUATION BOARD KIT INCLUDES The MIC7401 Evaluation Board kit includes the following items MIC7401 Evaluation Boa...

Page 12: ...MIC7401 Evaluation Board User s Guide DS50002723A page 12 2016 2018 Microchip Technology Inc NOTES...

Page 13: ...ck regulator 2 1 1V Buck regulator 3 1 8V Buck regulator 4 1 05V Buck regulator 5 1 25V Boost regulator 12V The MIC7401 PMIC on the Evaluation Board has been designed so that the I2 C pull up resistor...

Page 14: ...monitored at the VOUT terminal 3 Connect a jumper between VUSB and PWR or between VIN and PWR This pro vides power to the I2 C pull up resistors with the high level corresponding to either USB power 5...

Page 15: ...used to monitor the I2 C interface SDA and CLK with respect to local GND J1 can be used to interface with other I2C buses providing SDA SCL PWR and GND access J5 J6 J7 J8 J9 and J10 connectors are pr...

Page 16: ...r and follow the installation instructions 3 Download the I2 C Monitor 3 1 0 archive from www microchip com MIC7401 under Documentation Software 4 Unzip the I2 C Monitor 3 1 0 archive which contains t...

Page 17: ...ration 2016 2018 Microchip Technology Inc DS50002723A page 17 FIGURE 2 4 SELECTING THE DESTINATION FOLDER FIGURE 2 5 INSTALLING THE I2 C MONITOR 3 1 0 The progress can be observed in the Status bar as...

Page 18: ...can either Select the Launch the program check box to automatically start the I2 C Monitor GUI Clear the Launch the program check box to start the GUI at a later stage 7 Click the Finish button to end...

Page 19: ...install a new version of the MIC7401 any previous version or corrupted version should be removed from the computer To uninstall go to Windows Start Control Panel Uninstall a program I2CMonitor The I2...

Page 20: ...MIC7401 Evaluation Board User s Guide DS50002723A page 20 2016 2018 Microchip Technology Inc NOTES...

Page 21: ...N This chapter describes how to use the Graphical User Interface GUI for the I2C Mon itor 3 1 0 software application using the MIC7401 included in the kit NOTICE This chapter provides information rega...

Page 22: ...ITOR 3 1 0 SOFTWARE APPLICATION USING THE MIC7401 KIT 1 2 3 4 5 6 7 8 9 Legend 1 Device Menu 6 MIC7401 Global Settings 2 I2C Monitor Status and Control Bar 7 MIC7401 Status 3 I2 C Generic Operation Vi...

Page 23: ...MENU From the Settings menu a new custom board can be added to be automati cally detected and switch to it s profile To do this click Settings Device descriptors and in the Descriptors window add the...

Page 24: ...ct button to initialize the connection with the device and then the registers are available for read and write operations ScanAddr This button is used to scan for a valid address Connect Disconnect Th...

Page 25: ...C7401 data sheet TABLE 3 2 I2 C GENERIC REGISTER VIEW ITEMS Panel Item Description Operation Register This section shows the registers available for read write operations Read Write These buttons are...

Page 26: ...each regulator individually while in Standby operation mode Vout right side This box sets the output voltage of each regulator while the device is in Normal operation mode Vout left side This box sets...

Page 27: ...he respective fault bit or power cycling the device When an over temperature is detected the MIC7401 pulls down the global Power good output and all outputs are turned off During the fault condition t...

Page 28: ...POR Delay This box sets the delay for the POR flag pin The POR delay time starts as soon as AVIN voltage rises above the system UVLO upper threshold VSLT Pin Logic Level For the MIC7401 the threshold...

Page 29: ...temporary register configuration data into EEPROM permanent registers 03h 23h Reload This button reloads all data from EEPROM into the shadow reg ister No other actions are performed including soft st...

Page 30: ...MIC7401 Evaluation Board User s Guide DS50002723A page 30 2016 2018 Microchip Technology Inc...

Page 31: ...nd Layouts A 1 INTRODUCTION This appendix contains the following schematics and layouts for the MIC7401 Evaluation Board ADM00812 ADM00812 Board Schematic Board Top Silk Board Top Copper and Silk Boar...

Page 32: ...ML U2 GND GND Vin 0 47uF 6 3V 0603 C16 GND 100pF 50V 0603 C17 GND 1 2 3 4 HDR 2 54 Male 1x4 J1 SW1 SW2 SW3 SW4 SW5 SW6 1uF 16V 0603 C5 1 1 2 3 HDR 2 54 Male 1x3 J16 GND VIN EN Vout2 Vout3 Vout4 Vout5...

Page 33: ...Schematic and Layouts 2016 2018 Microchip Technology Inc DS50002723A page 33 A 3 BOARD TOP SILK A 4 BOARD TOP COPPER AND SILK...

Page 34: ...DS50002723A page 34 2016 2018 Microchip Technology Inc A 5 BOARD TOP COPPER A 6 BOARD MID LAYER 1...

Page 35: ...Schematic and Layouts 2016 2018 Microchip Technology Inc DS50002723A page 35 A 7 BOARD MID LAYER 2 A 8 BOARD BOTTOM COPPER...

Page 36: ...DS50002723A page 36 2016 2018 Microchip Technology Inc A 9 BOARD BOTTOM COPPER AND SILK A 10 BOARD BOTTOM SILK...

Page 37: ...mA 40V SOD 323 Nexperia PMEG4005AEA 115 1 J1 Connector HDR 2 54 Male 1x4 Gold 5 84 MH TH R A Samtec Inc TSW 104 08 S S RA 1 J2 Connector USB2 0 MICRO B Female SMD R A FCI 10118192 0001LF 1 J3 Connect...

Page 38: ...hip Analog Switcher Buck Boost 1 05V to 12V MIC7401YFL T5 FQFN 36 Microchip Technology Inc MIC7401YFL T5 1 U2 Microchip Interface USB I2 C UART MCP2221 I ML QFN 16 Microchip Technology Inc MCP2221 I M...

Page 39: ...6 27 5980 5118 China Xian Tel 86 29 8833 7252 Fax 86 29 8833 7256 ASIA PACIFIC China Xiamen Tel 86 592 2388138 Fax 86 592 2388130 China Zhuhai Tel 86 756 3210040 Fax 86 756 3210049 India Bangalore Tel...

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