EV Charging Communication

KCU EVCC

Electric vehicle communication controller integrating ISO 15118 / DIN 70121 PLC communication, CCS charging interfaces, in-vehicle CAN, and charging-control I/O.

Positioning

Electric vehicle communication controller integrating ISO 15118 / DIN 70121 PLC communication, CCS charging interfaces, in-vehicle CAN, and charging-control I/O.

NXP S32K344 ASIL-D MCU provides the control core for charging control, vehicle networking, and PLC communication.

QCA7006AQ PLC supports HomePlug HPGP / HPAV communication over the CP line for ISO 15118 / DIN 70121.

CAN0 / CAN1 / CAN2, 100BASE-TX Ethernet, ADC, GPIO, HSO, and H-Bridge outputs support vehicle and charger integration.

Key Advantages

ASIL-D Control Core

NXP S32K344 Cortex-M7 MCU for EVCC control, communication, and I/O management.

PLC Charging

QCA7006AQ HomePlug HPGP / HPAV supports high-level charging communication over CP.

Vehicle Networking

CAN0, CAN1, CAN2, CAN-FD wake-up, and 100BASE-TX Ethernet PHY.

Protected Outputs

HSO relay driver and DRV8874-Q1 H-Bridge with OCP, TSD, and UVLO.

System Architecture

Specifications

Control Core

MCU	NXP S32K344, Cortex-M7, ASIL-D
Power Management	FS26 PMIC, 12V to 5V / 3V3 / 1V5, watchdog, reset
Debug / UART	SWDCLK, SWDIO, UART0
External 5V	P2 VCC_5V, 100mA@5V power output

Charging Communication

PLC	QCA7006AQ HomePlug HPGP / HPAV
PLC Storage	SPI Flash for QCA firmware and configuration
Charging Pins	CP ±12V PWM + PLC I/O, PP 0-3.3V proximity, PE charger earth
Protocols	ISO 15118, DIN SPEC 70121, CCS integration

Vehicle Networking

CAN0	TJA1145 CAN transceiver, BMS / CAN-FD wake-up
CAN1 / CAN2	TJA9251 CAN transceiver
Ethernet	100BASE-TX PHY, RMII to S32K344 EMAC, MDC / MDIO
UARTD	3.3V TX / RX

Outputs & Protection

HSO Driver	PTA_OUT1 / PTA_OUT2, 12V high-side relay driver
H-Bridge	DRV8874-Q1, AEC-Q100 Grade 1
Motor Output	4A continuous / 8A peak, 12V, PH/EN mode
Protection	OCP, TSD, UVLO

Interfaces & Pins

Power / Ground

P1 VCC 24V, 9-24V power input

P2 VCC_5V, 100mA@5V power output

P3 power GND

P4 signal GND

P5 wake-up input

CAN / UART

P9 / P10 CAN0 H/L

P11 / P12 CAN1 H/L

P13 UARTD_TX 3.3V output

P14 UARTD_RX 3.3V input

Analog

P15 ADC_TEMP1 NTC temperature input

P16 ADC_TEMP2 NTC temperature input

P17 ADC_CURR current sense input

P18 ADC_HV high-voltage monitor

P19 ADC_AUX auxiliary analog input

Charging / Output

P6 CP ±12V PWM + PLC I/O

P7 PP 0-3.3V proximity input

P8 PE charger earth

P20 / P21 motor output

P22 12V output, P23 24V output

Software & Protocols

ISO 15118 / DIN SPEC 70121 charging communication stack integration.

CCS charging flow, CP / PP state handling, and PLC connection management.

CAN / CAN-FD data exchange with BMS, OBC, VCU, or charger main control.

Charging state, relay control, lock motor control, and fault-protection strategies.

Integration with KopherV2G, UDS diagnostics, and project-specific application software.

Applications

Vehicle EVCC

Vehicle-side charging communication controller integrating OBC, BMS, VCU, and external charging equipment.

CCS Integration

CP/PP, PLC, CAN, and charging-flow control shorten CCS system development.

Charger Control

Can serve as charger-side controller or test platform for ISO 15118 / DIN 70121 validation.

Lab & Certification

Supports protocol validation, HIL testing, vehicle testing, and pre-certification integration.

Need EVCC sample evaluation or protocol integration?

KCU EVCC can be tailored for vehicle-side OBC, full EVCC, charger control, and certification targets with KopherV2G software integration.