DC fast charging station

Products and reference designs

DC fast charging station

Block diagram

Overview

Our integrated circuits and reference designs help you create smarter and more efficient DC fast charging stations that charge electric vehicles (EVs). Whether it is a power factor correction (PFC) stage, DC/DC power stage design or the central control system, we have the right ingredients to design an efficient DC charging station.

Design requirements

DC fast charging station designs require expertise to achieve:

  • Accurate sensing and control of power output directly to the vehicle battery.
  • High-power density to support faster and higher power charging standards.
  • Efficient PFC and DC/DC conversion to reduce losses.
  • Human machine interface (HMI) to ease user interaction with the system.

Block diagram

Find products and reference designs for your system.

DC fast charging station

RCD/RCM: IEC 62752 / IEC 62955 RCD/RCM: IEC 62752 / IEC 62955 Front-end communication EVSE <-> EV CCS: IEC 61851, ISO 15118... Front-end communicationEVSE <-> EVCCS: IEC 61851, ISO 15118CHAdeMO: ISO 11898GB/T CHAoJI: SAE J1939 DC/DC power topologies Uni-directional Bi-directional Convent... DC/DC power topologiesUni-directional Bi-directional Conventional PSFB Dual active bridgeResonant LLC DAB in CLLLC mode Grid Grid Charger connector Chargerconnector Back-end communication EVSE <-> Charge Mngt Syst OCPP: IEC 61... Back-end communicationEVSE <-> Charge Mngt SystOCPP: IEC 61590-90-8 Power board wired interface Power board wired interface CAN CAN RS-485 RS-485 RS-232 RS-232 AC/DC power topologies Uni-directional Bi-directional 2-L PFC... AC/DC power topologiesUni-directional Bi-directional2-L PFC 3-L T-type PFC / inverter3-L Vienna PFC 3-L ANPC PFC / inverter AC & DC E-Meter EE AC & DCE-MeterEE Grid, charger output Grid,charger output +12V +5V +3.3V +1.8V -12V +12V+5V+3.3V+1.8V-12V DC rail DC rail Controller fan Controller fan Fan motor driver Fan motor driver Front-end wired interface Front-end wired interface Pilot wire Pilot wire HPGP Module HPGPModule CAN CAN Power board self diagnostics/monitoring Power board self diagnostics/monitoring Temp sensors Temp sensors SVS SVS Controller self diagnostics/monitoring Controller self diagnostics/monitoring Temp sensors Temp sensors SVS SVS ISO rail (gate drivers) ISO rail (gate drivers) DC rail DC rail Inter-module wired interface Inter-module wired interface CAN CAN RS-232 RS-232 RS-485 RS-485 USB USB Controller signal isolation Controller signal isolation Digital isolator Digital isolator Back-end wired interface Back-end wired interface Controller digital processing Controller digital processing MCU/MPU MCU/MPU Gates & buffers Gates & buffers Voltage translator Voltage translator RTC RTC USB access USB access Ethernet Ethernet ESD ESD HMI input user interface HMI inputuser interface IO expansion IO expansion Touch controller Touch controller Light sensor Light sensor DC rail DC rail +5V +3.3V +1.8V +5V+3.3V+1.8V Power board input power protection Power board input power protection eFuse eFuse Power board non-isolated DC/DC power supply Power board non-isolated DC/DC power supply Sequencer Sequencer DC/DC VTT DC/DC VTT Low noise power Low noise power DC/DC DC/DC Isolated AC/DC power supply Isolated AC/DC power supply Isolated AC/DC Isolated AC/DC Isolated DC/DC power supply Isolated DC/DC power supply Isolated DC/DC Isolated DC/DC Controller input power protection Controller input power protection eFuse eFuse Controller non-isolated DC/DC power supply Controller non-isolated DC/DC power supply Sequencer Sequencer DC/DC VTT DC/DC VTT Low noise power Low noise power DC/DC DC/DC Ideal diode Ideal diode Supercap Supercap Bus current & voltage sense Bus current & voltage sense Amp Amp Amp Amp Current sensor Current sensor Current Current Voltage Voltage DC/DC power stage DC/DC power stage Gates & buffers Gates & buffers Gate drivers Gate drivers Power FETs PowerFETs Digital isolator Digital isolator Output current & voltage sense Output current & voltage sense Amp Amp Amp Amp Current sensor Current sensor Current Current Voltage Voltage Relay control power stage Relay control power stage Relay Relay Relay Driver Relay Driver Insulation monitor Insulationmonitor PE PE Solid state relay Solid state relay Amp Amp (optional) Analog front end (optional)Analog front end Reference Reference ADC ADC Power board signal isolation Power board signal isolation Digital isolator Digital isolator Power board fan Power board fan Fan motor driver Fan motor driver HMI output user interface HMI output user interface Audio DAC Audio DAC LED driver LED driver LCD controller LCD controller Audio driver Audio driver Back-end wireless interface Back-end wireless interface Sub-1Ghz Sub-1Ghz Wi-Fi Wi-Fi 3G/4G/LTE (optional) 3G/4G/LTE (optional) HMI wireless interface HMI wireless interface NFC NFC Bluetooth Bluetooth Input current & voltage sense Input current & voltage sense Amp Amp Amp Amp Current sensor Current sensor Current Current Voltage Voltage AC/DC power stage AC/DC power stage Gates & buffers Gates & buffers Gate drivers Gate drivers Power FETs PowerFETs Digital isolator Digital isolator Weld detector Weld detector Digital isolator Digital isolator Plug lock driver Plug lock driver H-Bridge Driver H-Bridge Driver Power digital processing Power digital processing MCU MCU RTC RTC Gates & buffers Gates & buffers Voltage translator Voltage translator Residual current monitor Residual current monitor Comp Comp Amp Amp Logic Logic H-Bridge Driver H-Bridge Driver Power board signal input/output protection Power board signal input/output protection ESD ESD Front-end signal input/output protection Front-end signal input/output protection ESD ESD Controller signal input/output protection Controller signal input/output protection ESD ESD Controller memory Controller memory

Technical documentation

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Type Title Date
White paper Impact of an isolated gate driver (Rev. A) 28 Feb 2019
White paper Maximizing power for Level 3 EV charging stations 22 Jun 2018
White paper Taking charge of electric vehicles – both in the vehicle and on the grid (Rev. A) 17 Jun 2020
Application note Power Topologies in Electric Vehicle Charging Stations PDF | HTML 15 Dec 2020
Application note Comparative Analysis of Two Different Methods for Gate-Drive Current Boosting (Rev. A) PDF | HTML 11 May 2022
Application note Using a Single-Output Gate-Driver for High-Side or Low-Side Drive (Rev. B) PDF | HTML 08 Sep 2023

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