NXP Semiconductors EasyEVSE EV User manual

NXP EasyEVSE EV Charging Station

Development Platform User Guide

NXP Semiconductors Document identifier: CCEVCPGSUG

User Guide Rev. 0, 18 March 2022

Contents

Chapter 1 Introduction........................................................................................... 3

Chapter 2 Solution overview.................................................................................. 4

Chapter 3 Required hardware..............................................................................12

Chapter 4 Required software............................................................................... 15

Chapter 5 Configuring cloud dashboard.............................................................. 17

Chapter 6 Device registration.............................................................................. 23

Chapter 7 Board setup, wiring, and assembly..................................................... 33

Chapter 8 System powerup and operation.......................................................... 46

Chapter 9 Acronyms, abbreviations, and terminology......................................... 53

Chapter 10 Revision history.................................................................................54

Appendix A Appendix...........................................................................................55

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Chapter 1

Introduction

This document is a quick and easy guide to get the NXP’s EasyEVSE up and running. EasyEVSE is a simulated electric vehicle

charge station connected to the Microsoft Azure Iot Central.

The EasyEVSE integrates the following NXP product lines: i.MX RT106x Crossover MCU, Kinetis KM3x Metrology MCU,

CLRC663 NFC Frontend, and SE050 Secure element.

When you are familiar with the platform, see the EV Charging Station Development Platform User Manual, which provides a

comprehensive description of each building block of the EasyEVSE.

1.1 How to read this document

It is suggested to read this guide in the following sequence:

1. Solution overview. Solution overview explains the goals and components of the platform.

2. Get the hardware. Required hardware lists the required hardware and boards to run the EasyEVSE.

3. Get the software. Required software points to the required software to download.

4. Configure the cloud dashboard. Configuring cloud dashboard describes dashboard customization.

5. Device registration. Device registration explains how to register a device into the Azure IoT Central.

6. Demo board setup. Board setup, wiring, and assembly explains how to stack, program, and wire the demo boards.

7. System power up. System powerup and operation illustrates the power-up sequence and operation.

Supplementary material for readers unfamiliar with the Azure IoT Central terminology or technology is provided in the appendix.

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Chapter 2

Solution overview

NXP EasyEVSE is a development platform that enables you to develop and run a simulated electric vehicle charge station with

a mutually authenticated and secure connection with the Microsoft Azure IoT Central.

Figure 1. EasyEVSE application

The EasyEVSE consists of the following blocks:

• Host controller: i.MX RT106x cross-over MCU

• Meter: KM3x metering MCU

• Security: SE050 secure element

• NFC: CLRC663 NFC frontend

• IoT connectivity: Microsoft Azure IoT Central

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Figure 2. EasyEVSE reference design block diagram

The EasyEVSE hardware is shown in Figure 3.

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Figure 3. EVSE hardware support

The controller block manages communication with the meter, NFC, security, and IoT block. It also supports a GUI interface to

monitor and manage the EasyEVSE.

Figure 4. EVSE graphical user interface running on i.MX RT106x

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The meter block processes the simulated instantaneous current injected to the vehicle and simulates its charging state.

Figure 5. Meter block

The NFC block reads the UID of NFC devices, such as NFC MIFARE cards.

Figure 6. NFC block

The security block safely stores EasyEVSE credentials used with the Azure IoT cloud and accelerates security operations.

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Figure 7. Security block

To simplify the start-up process, the plug-and-trust SE050 secure element is not implemented in this document.

However, it is provisioned and used in the EV Charging Station Development Platform User Manual.

NOTE

The IoT and connectivity block, which is the Azure IoT central application, receives, stores, and displays telemetry from the

EasyEVSE into a dashboard after the EasyEVSE is provisioned succesfully.

The EasyEVSE telemetry consists of variables relative to the electric vehicle charge. The telemetry is continuously sent to the NXP

sample dashboard (EasyEVSE dashboard) several times per minute.

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Figure 8. EasyEVSE dashboard

The EasyEVSE dashboard enables you to modify EasyEVSE properties in real time. It simulates a real application, where the

energy delivered and the tariff cost must be changed upon the grid demand.

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Figure 9. Update EVSE properties

The EasyEVSE dashboard enables you to send commands to the EasyEVSE, for example, the Terminate Charge

Cycle command.

Figure 10. EasyEVSE commands

To help with debugging, the EasyEVSE supports the output of log console over a serial terminal, enabling you to monitor its boot,

registration, and operations.

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