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EV Charger Wall Box with High-End HMI

Overview

This system is a versatile 1 to 3-phase AC Electric Vehicle (EV) charger wall box, offering configurations of 1-Phase 3.7kW/16A, 7.4kW/32A, or 3-Phase 11kW/16A, 22kW/32A, with multiple IoT connectivity options. It features a primary application MCU that performs supervisory functions and communicates with the vehicle. Multiple Pmod™ extensions are attached to the application MCU, providing connectivity and metrology functions. The system can also be expanded using a single board computer (SBC) to offer high-end touch display functionality.

System Benefits​:

  • OCPP Car2Charger I/F, IEC 62196-2 ready, Type 1 or Type 2
  • Metrology Pmod boards are available upon request for rapid prototyping
  • Multiple communication interfaces can be added via Pmod extensions
    • Ethernet/Wi-Fi for Internet connectivity
    • Bluetooth® for smartphone/tablet integration
    • NFC for user authentication and billing

Block Diagram

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Test This Board Remotely

Available on Lab on the Cloud, use our PC-based GUI to instantly start configuring and testing designs in our virtual lab, no physical board needed.
Launch Lab on the Cloud
4:3 ratioCable to CarCable to CarCable to CarL1'L1'L1'L2'L2'L2'L3'L3'L3'N’N’N’PE’PE’PE’ .235Sheet.236Sheet.237Sheet.238Sheet.239Sheet.240Sheet.241Sheet.242Sheet.243Sheet.244Sheet.245Sheet.246Sheet.247 .222Sheet.223Sheet.224Sheet.225Sheet.226Sheet.227Sheet.228Sheet.229Sheet.230Sheet.231Sheet.232Sheet.233Sheet.234Sheet.1Sheet.2Sheet.3Sheet.4EU142EU142EU142Isolated AC/DC/18WIsolated AC/DC/18WIsolated AC/DC/18W1ph or 3ph Mains Input1ph or 3ph Mains Input1ph or 3ph Mains InputLCD Graphic UILCD Graphic UILCD Graphic UICapTouch ControllerCapTouch ControllerCapTouch Controller MIPI/DSIMIPI/DSIMIPI/DSI I2CI2CI2COCPP-IF PHY IsolationOCPP-IF PHY IsolationOCPP-IF PHY IsolationModules/PmodsModules/PmodsModules/PmodsEthernet Magnetics + LEDsEthernet Magnetics + LEDsEthernet Magnetics + LEDsSheet.51Sheet.52Sheet.53Sheet.54Sheet.57Sheet.58Sheet.59Sheet.61Sheet.62Sheet.63Sheet.64Sheet.84Sheet.85Sheet.86Sheet.87Sheet.88Sheet.91Sheet.92Sheet.94Sheet.95Sheet.99Sheet.101Sheet.104Sheet.105Sheet.106Sheet.108Sheet.109Sheet.123Sheet.124Sheet.126Sheet.127Sheet.1315V5V5VSheet.133Connector 1.1563V31Apk3V31Apk3V31ApkConnector 1.156.13712V12V12V1.5Amax1.5Amax1.5Amax230Vac230Vac230Vac12V 0.45Amax12V 0.45Amax12V 0.45AmaxL1L1L1L2L2L2L3L3L3NNNPEPEPEConnector 1.156.147Sheet.152Sheet.153Relais 400V/32ARelais 400V/32ARelais 400V/32ASheet.170Sheet.171Sheet.172Sheet.173Sheet.174Sheet.175Sheet.176Sheet.166Sheet.167Sheet.168Sheet.169 12V12V12VSheet.178Sheet.181Connector 1.156.182Connector 1.156.1830.15Amax0.15Amax0.15Amax 0.15Amax0.15Amax0.15Amax 0.15Amax0.15Amax0.15AmaxSheet.179Sheet.119Sheet.203 Relais 400V/32ARelais 400V/32ARelais 400V/32ASheet.220Sheet.221Sheet.250Sheet.251Sheet.252Sheet.253 Relais 400V/32ARelais 400V/32ARelais 400V/32ASheet.255Sheet.256Sheet.262Sheet.263Sheet.259Sheet.260Sheet.90Sheet.93 11111111Sheet.269Horizontal Wire BundleCommunication Lines B.795NnnHorizontal Wire Bundle.273Communication Lines B.795222 3Communication Lines B.795333 2..42..42..42..4Sheet.282Connector 1.156.283*SPI, I2C, UART or USB*SPI, I2C, UART or USB*SPI, I2C, UART or USBOptional CLK from SOMOptional CLK from SOMOptional CLK from SOMSheet.287Sheet.288Connector 1.156.289Sheet.290Connector 1.156.291Negative Power RailLine.758Line.759 EthernetEthernetEthernetSheet.296 OCPPOCPPOCPPSheet.307Sheet.3103/4ch Voltage & Current Sense3/4ch Voltage & Current Sense3/4ch Voltage & Current Sense 3V33V33V3Sheet.65Sheet.66Connector 1.156.3190.5Amax0.5Amax0.5AmaxSheet.324Sheet.325Connector 1.156.326Connector 1.331Sheet.339Sheet.340Connector 1.341Sheet.345Sheet.346Sheet.3483ph*23ph*23ph*2 .359Label Text 10pt.1046Sheet.365Sheet.366Sheet.369 3Apk3Apk3Apk 2222Sheet.373 2222Sheet.376 3*23*23*23*2Sheet.379 2 222Sheet.385Sheet.386SOM ModuleSOM ModuleSOM Module5Vin5Vin5VinMIPI/DSIMIPI/DSIMIPI/DSII2CI2CI2CGbit EthernetGbit EthernetGbit EthernetClkClkClkSCI*SCI*SCI*Sheet.387MCU Realtime Operations & I/F muxMCU Realtime Operations & I/F muxMCU Realtime Operations & I/F mux VddVddVdd SCI*SCI*SCI*Int. Osc.Int. Osc.Int. Osc.GPIO 3xGPIO 3xGPIO 3x UARTUARTUART UARTUARTUART SPISPISPI GPIOGPIOGPIO PWMPWMPWM UART UARTUART UARTUARTUARTSheet.388 Module Metering Module Metering Module MeteringModule MeteringModule MeteringModule Metering UARTUARTUARTWi-Fi PmodWi-Fi PmodWi-Fi PmodLTE-M ModuleLTE-M ModuleLTE-M ModuleSheet.389NFCNFCNFC SPISPISPISheet.329Sheet.330Sheet.354DC/DC BuckDC/DC BuckDC/DC BuckDC/DC Buck 12V/5ADC/DC Buck 12V/5ADC/DC Buck 12V/5AnFET Load Switch 22V/3A 1nFET Load Switch 22V/3AnFET Load Switch 22V/3AnFET Load Switch 22V/3A 2nFET Load Switch 22V/3AnFET Load Switch 22V/3AnFET Load Switch 22V/3A 3nFET Load Switch 22V/3AnFET Load Switch 22V/3A

DC/DC Buck 12V/5A

Buck Regulators (Integrated FETs)

DC/DC Buck

Buck Regulators (Integrated FETs)

Isolated AC/DC 18W

Flyback & Forward Controllers

SOM Module

A single-board computer (SBC) is commonly made as a demonstration or development system for educational usage. It can also be used for an embedded computer controller utilizing different, but standardized form factors like RPI, Qseven or 96Boards.
View Diagram

MCU Realtime Operations & I/F mux

RA Arm Cortex-M MCUs
RA Arm Cortex-M MCUs

Wi-Fi PMOD

Wi-Fi MCUs
Wi-Fi MCUs

Module Metering

RL78 Low-Power 8 & 16-Bit MCUs

NFC

NFC
NFC
  • PTX100REK
    PTX100R POS/IoT NFC Reader Demonstration Kit

nFET Load Switch 22V/3A

Load Switches

nFET Load Switch 22V/3A

Load Switches

nFET Load Switch 22V/3A

Load Switches

News & Blog Posts

Blog Post
Jan 17, 2025
Transforming EV Charging with Advanced Connectivity

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