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MIC23356 Evaluation Board User’s Guide

DS50002834A-page 28

 2018 Microchip Technology Inc.

A.2

B

OARD – SCHEMATIC

J15

J19

TP LOOP Black

J20

TP LOOP Red

J21

TP LOOP Red

J14

J18

2k

0603

R6

100k

0603

R7

1uF

16V

0603

C1

SDA

EN

49.9R

0603

R1

0.1uF

16V

0603

C6

J3

0.1uF

16V

0402

C3

J17

470uF

16V

C8

HDR-2.54 Male 1x3

J6

J1

J4

J5

47uF

10V

1210

C5

J13

J12

SW

2k

0603

R9

1M

0603

R3

PG

SCL

Net Tie

0.5mm

NT1

D-

D+

0R

R8

0R

R11

SCL

SDA

EN

PG

HDR-2.54 Male 1x3

J8

PWR

0R

R5

0R

R4

VDD

2

3

RST

5

6

7

8

9

10

VUSB

D-

D+

VSS

V

D

D

RST

VUS

B

D

-

D

+

VSS

MCP2221A

U2

D-

D+

ID

VBUS

GND

D-

D+

USB2.0 Micro-B Female

J7

SCL

SDA

1

2

3

4

J2

PWR

350nH

L1

4.7uF

10V

0805

C2

4.7uF

10V

0805

C11

10R

0603

1%

R12

DNP

J9

22uF

10V

0805

C9

Shunt 2.54mm 1x2 Handle

JP1

Shunt 2.54mm 1x2 Handle

JP2

0R

DNP

R10

JP2 should be mounted on 1-2 pins J8

JP1 should be mounted on 1-2 pins J6

1

2

3

PVIN

PVIN

SVIN

SCL

SDA

EN

10

11

12

13

14

15

16

PV

IN

PV

IN

SV

IN

SC

L

S

D

A

EN

MIC23356

U1

9,1

9,1

9,1

9,1

9,1

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Summary of Contents for MIC23356

Page 1: ...2018 Microchip Technology Inc DS50002834A MIC23356 Evaluation Board User s Guide Downloaded from Arrow com...

Page 2: ...09 certification for its worldwide headquarters design and wafer fabrication facilities in Chandler and Tempe Arizona Gresham Oregon and design centers in California and India The Company s quality sy...

Page 3: ...ng Started 11 2 3 1 Power Input and Output Connection 11 Chapter 3 GUI Installation and Operation 3 1 Getting Started 16 3 1 1 Required Software 16 3 1 2 Required Hardware 16 3 2 Graphical User Interf...

Page 4: ...oard Middle layer 2 31 A 8 Board Bottom Copper 31 A 9 Board Bottom Copper and Silk 32 A 10 Board Bottom Silk 32 Appendix B Bill of Materials BOM Appendix C MIC23356 Internal Registers C 1 Register MAP...

Page 5: ...A Schematic and Layouts Shows the schematic and layout diagrams for the MIC23356 Appendix B Bill of Materials BOM Lists the parts used to build the MIC23356 Evaluation Board Appendix C MIC23356 Inter...

Page 6: ...ormat where N is the total number of digits R is the radix and n is a digit 4 b0010 2 hF1 Text in angle brackets A key on the keyboard Press Enter F1 Courier New font Plain Courier New Sample source c...

Page 7: ...uestions FAQs technical support requests online discussion groups Microchip consultant program member listing Business of Microchip Product selector and ordering guides latest Microchip press releases...

Page 8: ...e 2 4V to 5 5V input voltage range low shutdown and quiescent currents make the MIC23356 ideal for single cell Li Ion battery powered applications An open drain Power Good PG output is provided to ind...

Page 9: ...5 5V with I2C programmed regulated output The I2C Monitor GUI allows comprehensive control and status reporting with the MIC23356 device 1 4 CONTENTS OF THE MIC23356 EVALUATION BOARD KIT The MIC23356...

Page 10: ...Analysis and external I2C communication FIGURE 2 1 MIC23356 Step Down Regulator with MCP2221 I2C Bridge MCP2221 MIC23356 USB I F VUSB Data PWR VIN Three way jumper fitted for selection of I2 C pull u...

Page 11: ...the YFT option whose default output voltage is 0 6V All the device options may be fitted on the board as is 2 3 1 Power Input and Output Connection 2 3 1 1 POWERING THE MIC23356 EVALUATION BOARD When...

Page 12: ...nd monitor the STATUS registers as described in Chapter 4 GUI Description 7 Optionally for more advanced readings place Oscilloscope probe 1 in SW test point to monitor the switching waveforms and pro...

Page 13: ...Efficiency vs IOUT at 1V SW 5V div PG 5V div VOUT 50 mV div AC coupled EN 5V div 0 10 20 30 40 50 60 70 80 90 100 0 001 0 01 0 1 1 10 Efficiency IOUT A VOUT 1V VIN 3 3V VIN 5 0V VIN 2 5V Downloaded f...

Page 14: ...6 EVALUATION BOARD WITH THE EXTERNAL I2 C MASTER In order to use the MIC23356 with an external I2 C master like a microcontroller microprocessor or another I2 C master the on board MCP2221 must be dis...

Page 15: ...SIDERATIONS For the best performance with the minimum occupied board space some proper layout techniques should be applied First the input and output capacitors should be placed as close to the MIC233...

Page 16: ...stallation instructions 3 Download the I2 C Monitor Graphical User Interface minimum v 3 1 2 archive from www microchip com MIC23356 under Documentation Software 4 Unzip the I2 C Monitor Graphical Use...

Page 17: ...d to keep the default path Click Next to continue FIGURE 3 2 Selecting the Destination Folder Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Do...

Page 18: ...or Graphical User Interface Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from...

Page 19: ...y 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 C Monitor GUI will automatically close...

Page 20: ...eets and User s Guides Status Bar Progress Bar MIC23356 Control by MCP2221 GP0 output I2C Monitor Status and Control Bar I2 C Generic Register View MIC23356 I2 C Programmable Features MIC23356 I2 C Di...

Page 21: ...stom board to be automatically detected and switch to its profile To do this go to Settings Device descriptors and in the Descriptors window add the desired Board descriptor and select the desired Dev...

Page 22: ...Analyzer Rate This drop down menu is used to select the corresponding communication rate for the device Pull Ups This drop down menu is used to activate the internal pull ups from the PICkit Serial A...

Page 23: ...row com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded...

Page 24: ...igh side when VIN is close to VOUT This feature is available only in High Range mode option MIC23356 SAYFT Read Write These buttons are used to read write the registers that contain the information de...

Page 25: ...e loading the trim and configuration data into the digital core At successful start up this box remains unchecked clear Buck Enabled This box indicates the internal state of the regulator determined b...

Page 26: ...d TABLE 4 5 STATUS BAR ITEMS Item Description Status Label The status label shows if there is any device connected to the board Refer to Table 4 6 for a list of possible labels Progress Bar This bar s...

Page 27: ...rrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloade...

Page 28: ...ndle JP2 0R DNP R10 JP2 should be mounted on 1 2 pins J8 JP1 should be mounted on 1 2 pins J6 1 2 3 PVIN PVIN SVIN SCL SDA EN 10 11 12 13 14 15 16 PVIN PVIN SVIN SCL SDA EN MIC23356 U1 9 1 9 1 9 1 9 1...

Page 29: ...ed from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Page 30: ...om Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from...

Page 31: ...ed from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Page 32: ...row com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded...

Page 33: ...USB 2 0 Micro B Female SMD R A FCI 10118193 0001LF 0 J9 NOT POPULATED FCI 77311 118 02LF 1 L1 Inductor 350 nH 3 3A 20 SMD L3 2W3 5H1 5 Coilcraft XEL3515 351 1 PCB1 MIC23356 Evaluation Board Printed C...

Page 34: ...ant components TABLE B 1 MIC23356 EVALUATION BOARD BILL OF MATERIALS BOM CONTINUED Qty Reference Description Manufacturer Part Number Note 1 The components listed in this Bill of Materials are represe...

Page 35: ...ry Fast Frequency bit 5 Reserved bit bit 4 ILIM High Side Peak Current Limit bit 0 3 5A 1 5A bit 3 2 EN_DELAY 3 2 Enable Delay bits 00 250 s 01 1 ms 10 2 ms 11 3 ms bit 1 EN_INT Enable Bit Register Co...

Page 36: ...0 0011 800 0100 1000 0101 1200 0110 1400 0111 1600 1000 1800 1001 2000 1010 2200 1011 2400 1100 2600 1101 2800 1110 3000 1111 3200 Downloaded from Arrow com Downloaded from Arrow com Downloaded from A...

Page 37: ...V 0xF4 1 225V 0x95 0 75V 0xB5 0 91V 0xD5 1 07V 0xF5 1 23V 0x96 0 755V 0xB6 0 915V 0xD6 1 075V 0xF6 1 235V 0x77 0 6V 0x97 0 76V 0xB7 0 92V 0xD7 1 08V 0xF7 1 24V 0x78 0 605V 0x98 0 765V 0xB8 0 925V 0xD8...

Page 38: ...0xF4 3 62V 0x55 0 86V 0x75 1 18V 0x95 1 72V 0xB5 2 36V 0xD5 3V 0xF5 3 64V 0x56 0 87V 0x76 1 19V 0x96 1 74V 0xB6 2 38V 0xD6 3 02V 0xF6 3 66V 0x57 0 88V 0x77 1 2V 0x97 1 76V 0xB7 2 4V 0xD7 3 04V 0xF7 3...

Page 39: ...t Good 1 Power Good Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow co...

Page 40: ...ohsiung Tel 886 7 213 7830 Taiwan Taipei Tel 886 2 2508 8600 Thailand Bangkok Tel 66 2 694 1351 Vietnam Ho Chi Minh Tel 84 28 5448 2100 EUROPE Austria Wels Tel 43 7242 2244 39 Fax 43 7242 2244 393 Den...

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