MPS MP5470 Bedienungsanleitung

User Guide

MP5470 Evaluation Kit (EVKT-MP5470)

USER GUIDE –MP5470 EVALUATION KIT (EVKT-MP5470)

MP5470Evaluation Kit User Guide Rev 1.1 MonolithicPower.com 1

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Table of Contents

Overview................................................................................................................................................2

Introduction............................................................................................................................................ 2

Kit Contents........................................................................................................................................... 2

Features and Benefits............................................................................................................................ 3

Kit Specifications ................................................................................................................................... 3

Section 1. Hardware Specifications........................................................................................................4

1.1 Personal Computer Requirements ...............................................................................................4

1.2 EV5470-L-00ASpecifications........................................................................................................4

1.3 EVKT-USBI2C-02 Specifications..................................................................................................4

Section 2. Software Requirements......................................................................................................... 5

2.1 Software Installation Procedure.................................................................................................... 5

Section 3. Evaluation Kit Test Set-Up....................................................................................................6

3.1 Hardware Set-Up..........................................................................................................................6

3.2 Powering up the EVB ...................................................................................................................6

3.3 Software Set-Up...........................................................................................................................7

3.4 Device Programming Instructions.................................................................................................9

3.5 Troubleshooting Tips.................................................................................................................. 13

Section 4. Ordering Information........................................................................................................... 14

USER GUIDE –MP5470 EVALUATION KIT (EVKT-MP5470)

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Overview

Introduction

The EVKT-MP5470 is an evaluation kit for the MP5470, a complete power management IC with four

high-efficiency, step-down, DC/DC converters and flexible system configurations via the I2C and a

multi-time programmable (MTP) eFuse. The kit allows for quick evaluation of the PMIC and offers MTP

capabilities, which allows users to program custom configurations three times maximum, supporting a

wide range of designs.

Kit Contents

EVKT-MP5470 Kit contents: (items below can be ordered separately)

Part Number

Item

Quantity

EV5470-L-00A

MP5470GL evaluation board

EVKT-USBI2C-02

Includes one USB to I2C communication interface device, one USB

cable, and one ribbon cable

MP5470GL-0000

MP5470 IC which can be used for MTP programming

USB Cable Ribbon Cable

Input Power

Supply

Load

Input

Output

GUI Evaluation Board

USB to I2C

Communication Interface

Figure 1: EVKT-MP5470 Evaluation Kit Set-Up

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Features and Benefits

The MP5470 is highly customizable. Users can program the PMIC via the MPS I2C GUI and multi-time

programming (MTP).



All changes made in I2C mode will NOT be retained once the EVB is powered down.



MTP burn action can be executed three times maximum.

Features adjustable under each method are outlined below.

I2C/MTP

Programmable output voltage

Initial on/off

Selectable auto PFM/PWM or FPWM mode

Programmable soft start delay/slew rate

Programmable valley current limit

Programmable initial phase delay

Additional phase delay time

Buck output discharge on/off

Buck output limit on/off

Selectable buck parallel mode operation

Selectable switching frequency

Programmable VIN UVLO rising

Programmable PG delay time

Programmable software initially I2C slave address

Kit Specifications

Features

Specification

Supply for Board

6.5V - 16V

Operating Input Voltage

4V - 16V

Operating Systems Supported

Windows XP, 7, or later

System Requirements

Minimum 14.6 MB free

GUI Software

3 register controls: MTP Configure, BUCKCTRL,

SYSCTRL

EVB Size (L x W)

6.35cm x 6.35cm

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Section 1. Hardware Specifications

1.1 Personal Computer Requirements

The following must be minimally met to use the EVKT-MP5470.

Operating system of Windows XP, 7, or later

Net Framework 4.0

PC with a minimum of one available USB port

At least 14.6 MB of free space

1.2 EV5470-L-00ASpecifications

The EV5470-L-00A is an evaluation board for the MP5470GR-0000. For more information, please refer

to the EV5470-L-00A datasheet.

Figure 2: EV5470-L-00A Evaluation Board

1.3 EVKT-USBI2C-02 Specifications

The EVKT-USBI2C-02 refers to the USB to I2C communication interface device, which connects the

EVB and the PC, and its supporting accessories. It provides I2C and PMBus capabilities. Together with

MPS Virtual Bench Pro and GUI tools, it provides a quick and easy way to evaluate the performance of

MPS digital products. For more details, refer to the EVKT-USBI2C-02 datasheet.

Figure 3: EVKT-USBI2C-02 Communication Interface Device

Feature

Specification

Supply for Evaluation Board

6.5V - 16V

Operating Input Voltage

4V - 16V

EVB Size (L x W)

6.35cm x 6.35cm

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Section 2. Software Requirements

2.1 Software Installation Procedure

Programming occurs through the MPS I2C GUI. Follow the instructions below to install the software.

Note: This software can be downloaded directly from the MPS website. .

1. Browse to the folder containing the thumb drive contents.

2. Double click the .exe file to open the set-up guide (see Figure 4).

3. Follow the prompts in the set-up guide.

4. Wait for status screen to verify that installation is complete (see Figure 5).

Figure 4: MPS I2C GUI Set-Up Guide

Figure 5: Driver Set-Up Success

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Section 3. Evaluation Kit Test Set-Up

3.1 Hardware Set-Up

The hardware must be properly configured prior to use. Follow the instructions below to set up the EVB.

1. Locate the proper wires to connect the EVB to the EVKT-USBI2C-02 communication interface

device.

2. Connect SCL, SDA, and GND (see Figure 6). If needed, refer to the datasheet for further

clarification.

3. Use the USB cable to connect the EVKT-USBI2C-02 communication interface device to the PC and

follow the instructions below to set up the EVB.

Figure 6: EVB to MPS I2C Communication Interface Device Wire Connection

3.2 Powering up the EVB

1. Preset power supply between 6.5V and 16V.

2. Turn power supply off.

3. Connect power supply terminals to:

a. Positive (+): VIN

b. Negative (–): GND

4. Connect load to:

Load1:

a. Positive (+): Vout1

b. Negative (–): GND

Load2:

a. Positive (+): Vout2

b. Negative (–): GND

Load3:

a. Positive (+): Vout3

b. Negative (–): GND

Load4:

a. Positive (+): Vout4

b. Negative (–): GND

5. Turn power supply on after making connections. The board will start up automatically.

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3.3 Software Set-Up

After connecting the hardware according to the steps above, follow the steps below to use the GUI

software.

1. Start the software. It will check the EVB connection automatically.

If connection is successful, the address will be listed in the “Slave Address” (see Figure 7).

Figure 7: Appearance of Address Shows Successful Connection

If not, one of two warnings will appear at the bottom:

1) “No Slave Found. Please Check the Connection!” This means that the evaluation board is

not connected (see Figure 8).

2) “Device is not available. Please check the Connection!” This means that the USB I2C

communication interface device is not connected (see Figure 9).

Figure 8: Warning Indicates Unsuccessful Connection –Evaluation Board Not Connected

No Slave Found. Please check the connection!

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Figure 9: Warning Indicates Unsuccessful Connection –USBI2C Communication Interface Devices not

Connected

2. If connection is successful, proceed to Step 3. Otherwise, check the connections between the EVB,

communication interface device, and PC. Re-plug the USB into the PC and restart the GUI.

3. Select MP5470 from under Part Numbers. The Register Control menu will appear on the left side.

I2C register values will be read automatically and displayed on the right (see Figure 10).

Figure 10: Values from I2C Shown in Table

4. Find the item you want to change and select the desired value from the drop-down menu. The

changed information of the item will appear on the right side (see Figure 11).

Device is not available. Please check the connection!

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Figure 11: Refer to Datasheet to Translate 0’s and 1’s



All changes made via the I2C will be restored to default values once the EVB is powered down.

3.4 Device Programming Instructions

The MP5470 can be custom programmed and saved to the PMIC. Follow the instructions outlined

below to create and export customized configurations.

1. Open the GUI on computer.

2. Ensure the correct connection between USB dongle, EVB, and computer.

3. Select the MP5470 part number from Part Numbers menu.

4. User can change any parameter they choose within the table (e.g.: change system switching

frequency from 800kHz to 1060kHz).

Figure 12: Parameters Modification via I2C Interface

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