MPS EVmEZDPD3603A-00A Manuel utilisateur

EVmEZDPD3603A-00A

Configurable 36V DC/DC Power Supply

up to 3A Evaluation Board

EVmEZDPD3603A-00A Rev. 1.1 www.MonolithicPower.com 1

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DESCRIPTION

The EVmEZDPD3603A-00A is an evaluation

board for the mEZDPD3603A, which provides an

I2C interface. The mEZDPD3603A has a 4.5V to

36V input voltage range, and an adjustable 0.6V

to 12V output voltage range (3.3V by default).

The EVmEZDPD3603A-00A has a continuous

3A of output current.

The mEZDPD3603A is a digital, DC/DC step-

down power supply with multiple-time

programmable (MTP) memory and a simple GUI

to configure the device. The GUI provides

flexible power management functions, such as

setting the output voltage, switching frequency,

output current limit, multiple protection modes,

and compensation.

For more details, refer to the mEZDPD3603A

datasheet. The mEZDPD3603A is available in a

standard DIP (16mmx23mmx6.5mm) package.

ELECTRICAL SPECIFICATIONS

Parameter

Symbol

Value

Units

Input voltage

VIN

5.5 to 36

Output voltage

VOUT

Output current

IOUT

FEATURES

4.5V to 36V Operating Input Voltage

0.6V to 12V Output Voltage

Up to 3A Continuous Current

Meets EN55022 Class B Emissions

-40°C to +85°C Operating Temperature

Configurable Parameters:

oOutput Voltage

oOutput Current Limit

oSwitching Frequency

oMultiple Selection Modes

oCompensation

Available in a Standard DIP

(16mmx23mmx6.5mm) Package

APPLICATIONS

Industrial Power Systems

All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive.

For MPS green status, please visit the MPS website under Quality

Assurance. “MPS”, the MPS logo, and “Simple, Easy Solutions” are

trademarks of Monolithic Power Systems, Inc. or its subsidiaries.

EVMEZDPD3603A-00A EVALUATION BOARD

LxW (64mmx64mm)

Board Number

MPS IC Number

EVmEZDPD3603A-00A

mEZDPD3603A

Efficiency

VIN = 24V

100

0.1 1 10

EFFICIENCY (%)

LOAD CURRENT (A)

VOUT=12V, Fsw=800k

VOUT=5V, Fsw=500k

VOUT=3.3V, Fsw=500k

EVMEZDPD3603A-00A –3A, CONFIGURABLE 36V DC/DC POWER EVAL BOARD

EVmEZDPD3603A-00A Rev. 1.1 www.MonolithicPower.com 2

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QUICK START GUIDE

1. Connect the load to:

a. Positive (+): VOUT

b. Negative (-): GND

2. Preset the power supply output to be between 4.5V and 36V, and then turn the power supply off.

3. Connect the power supply terminals to:

a. Positive (+): VIN

b. Negative (-): GND

4. Turn the power supply on. The board should automatically start up.

Figure 1 shows the recommended PCB layout.

+- - +

+-+

Power Load

GUI

SCL

GND

SDA

Figure 1: Recommended PCB Layout

PERFORMANCE SUMMARY

Parameter

Conditions

Value

Input voltage

Typical input voltage

4.5V to 36V

Output voltage

VIN = 4.5V to 36V, single output, IOUT = 0A to 3A

0.6V to 12V

Output current

VIN = 4.5V to 36V, single output,

VOUT = 0.6V to 12V

0A to 3A

Typical efficiency

VIN = 12V, VOUT = 5V, IOUT = 3A

90%

Peak efficiency

VIN = 24V, VOUT = 12V, full load, fSW = 800kHz

93.2%

Default switching

frequency

Typical switching frequency

500kHz

EVMEZDPD3603A-00A –3A, CONFIGURABLE 36V DC/DC POWER EVAL BOARD

EVmEZDPD3603A-00A Rev. 1.1 www.MonolithicPower.com 3

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USE VIRTUAL BENCH 2.2 EVALUATION KIT SET-UP

1. Connect the I2C wires to the EVB, then start the software. The evaluation kit connection should be

listed (see Figure 2).

Figure 2: Evaluation Kit Connection

2. Click the “Direct Programming Mode”button. The register control menu should appear

3. For more details, refer to the mEZDPD3603A user guide.

Figure 3 shows the evaluation kit set-up.

USB to I2C

Communication Interface

(EVKT-USBI2C-02)

USE Cable

EVKT-USB A-B Cable

10-Pin Ribbon Cable

EVKT 10-Pin- Ribbon Cable

Input Power Supply

EVmEZDPD3603A-00A

Load

Input

Output

Virtual Bench

V2.2

Figure 3: Evaluation Kit Set-Up

Figure 4 shows the main GUI interface used to configure the device.

Figure 4: Virtual Bench Main GUI Interface

EVMEZDPD3603A-00A –3A, CONFIGURABLE 36V DC/DC POWER EVAL BOARD

EVmEZDPD3603A-00A Rev. 1.1 www.MonolithicPower.com 4

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EVALUATION BOARD SCHEMATIC

VIN

VIN C1A

10μFGND

SYNC

VOUT

GND

ADD

SDA

VCC

SCL PG

C1B

NS C1C

NS C1D

0.1μF

C1E

VOUT

PMBUS

SCL SCL

GND GND

SDAGND

GND

PGVCCVOUTSEN-VOUTSEN+VINSEN-VINSEN+SYNCEN

EN SYNC VIN GND VOUT GND VCC PG

CIN5

0.1μFCIN1

10μFCIN2

10μF

CIN3

10μF

CIN4

10μF

C2A

22μFC2B

22μF

100kΩ

0Ω

GND

60Ω/100MHz L2

6.8μH

C2C

0.1μF

0Ω

mEZDPD3603A

Figure 5: Evaluation Board Schematic

EVMEZDPD3603A-00A –3A, CONFIGURABLE 36V DC/DC POWER EVAL BOARD

EVmEZDPD3603A-00A Rev. 1.1 www.MonolithicPower.com 5

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EVMEZDPD3603A-00A BILL OF MATERIALS (1) (2) (3)

Qty

Ref

Value

Description

Package

Manufacturer

Manufacturer P/N

C1A

10µF

Ceramic capacitor,

50V, X5R

1210

Murata

GRM32ER61H106KA12L

C2A, C2B

22µF

Ceramic capacitor,

16V, X5R

1210

Murata

GRM32ER61C226KE20L

C2C, C1D

100nF

Ceramic capacitor,

50V, X7R

0402

Murata

GRM155R71H104ME14D

R1, R3

100kΩ

Film resistor, 1%,

0603, 100kΩ

0603

Yageo

RC0603FR-07100KL

R2, R4

0Ω

0603, 0Ω, ±1%

0603

Yageo

RC0603FR-070RL

Optional (EMI)

Qty

Ref

Value

Description

Package

Manufacturer

Manufacturer P/N

CIN1,

CIN2,

CIN3,

CIN4

10µF

Ceramic capacitor,

50V, X5R

1210

Murata

GRM32ER61H106KA12L

CIN5

100nF

Ceramic capacitor,

50V, X7R

0402

Murata

GRM155R71H104ME14D

60Ω,

100MHz

Bead, Z = 60Ωat

100MHz,

ZMAX = 90Ωat

500MHz,

IR= 3000mA

0805

Wurth

742792063

6.8µH

Inductor,

RDC = 0.09Ω,

ISAT = 1.25A

4828

Wurth

744043006

Note:

1) When VOUT < 3.3V, C2A = 22µF, C2B = no connection, and C1C = no connection.

2) When VOUT = 5V, C2A = 22µF, C2B = 22µF, and C1C = no connection.

3) When VOUT = 12V, C2A = 22µF, C2B = 22µF, and C1C = 100µF electrolytic capacitor.

EVMEZDPD3603A-00A –3A, CONFIGURABLE 36V DC/DC POWER EVAL BOARD

EVmEZDPD3603A-00A Rev. 1.1 www.MonolithicPower.com 6

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TYPICAL PERFORMANCE CHARACTERISTICS

VIN = 24V, VOUT = 5V, TA= 25°C, unless otherwise noted.

Efficiency

VIN = 24V

Load Regulation

VIN = 24V

Line Regulation

Full load

Case Temperature Rise

VIN = 24V

Start-Up through VIN

Shutdown through VIN

CH1: VOUT

5V/div.

CH2: VIN

10V/div.

CH3: SW

10V/div.

CH4: IL

2A/div.

2ms/div.

CH1: VOUT

5V/div.

CH2: VIN

20V/div.

CH3: SW

10V/div.

CH4: IL

5A/div.

20ms/div.

100

0.1 1 10

EFFICIENCY (%)

LOAD CURRENT (A)

VOUT=12V, Fsw=800k

VOUT=5V, Fsw=500k

VOUT=3.3V, Fsw=500k

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

0 0.5 1 1.5 2 2.5 3

LOAD REGULATION (%)

LOAD CURRENT (A)

VOUT=12V, Fsw=800k

VOUT=5V, Fsw=500k

VOUT=3.3V, Fsw=500k

-0.3

-0.2

-0.1

0.1

0.2

0.3

0 6 12 18 24 30 36

LINE REGULATION (%)

INPUT VOLTAGE (V)

VOUT=12V, Fsw=800k

VOUT=5V, Fsw=500k

VOUT=3.3V, Fsw=500k

0.5 1.5 2.5

CASE TEMPERATURE RISE

(°C )

LOAD CURRENT (A)

VOUT=12V, Fsw=800k

VOUT=5V, Fsw=500k

VOUT=3.3V, Fsw=500k

EVMEZDPD3603A-00A –3A, CONFIGURABLE 36V DC/DC POWER EVAL BOARD

EVmEZDPD3603A-00A Rev. 1.1 www.MonolithicPower.com 7

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TYPICAL PERFORMANCE CHARACTERISTICS (continued)

VIN = 24V, VOUT = 5V, TA= 25°C, unless otherwise noted.

Start-Up through EN

Shutdown through EN

CH1: VOUT

5V/div.

CH2: VEN

2V/div.

CH3: SW

10V/div.

CH4: IL

5A/div.

CH1: VOUT

5V/div.

CH2: VEN

2V/div.

CH3: SW

10V/div.

CH4: IL

5A/div.

1ms/div.

40μs/div.

SCP Entry

SCP Recovery

CH1: VOUT

5V/div.

CH2: VIN

10V/div.

CH3: SW

10V/div.

CH4: IL

5A/div.

CH1: VOUT

5V/div.

CH2: VIN

10V/div.

CH3: SW

10V/div.

CH4: IL

5A/div.

10ms/div.

Load Transient

1.5A to 3A, without external COUT

Output Voltage Ripple

Full load, without external COUT

CH1:

VOUT/AC

500mV/div.

CH4: IL

2A/div.

CH1:

VOUT/AC

50mV/div.

CH2: VIN

20V/div.

CH3: SW

10V/div.

CH4: IL

5A/div.

100μs/div.

2μs/div.

EVMEZDPD3603A-00A –3A, CONFIGURABLE 36V DC/DC POWER EVAL BOARD

EVmEZDPD3603A-00A Rev. 1.1 www.MonolithicPower.com 8

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PCB LAYOUT

Figure 6: Top Layer

Figure 7: Middle Layer 1

Figure 8: Middle Layer 2

Figure 9: Bottom Layer

EVMEZDPD3603A-00A –3A, CONFIGURABLE 36V DC/DC POWER EVAL BOARD

Notice: The information in this document is subject to change without notice. Please contact MPS for current specifications. Users should

warrant and guarantee that third-party Intellectual Property rights are not infringed upon when integrating MPS products into any application.

MPS will not assume any legal responsibility for any said applications.

EVmEZDPD3603A-00A Rev. 1.1 www.MonolithicPower.com 9

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Revision History

Revision

Revision Date

Description

Pages

Updated

1.0

05/24/2018

Initial Release

1.1

09/08/2020

Updated Description, Features, and board picture

Added Electrical Specifications

Updated Quick Start Guide

Updated schematic

Updated BOM

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