Components and Devices Suitable for EV Charging and EV Charging Station Application Requirements
As the Electric Vehicle market continues to grow, so will the need for EV Charging Solutions. The demand for EVs supports the contribution to global environmental health concerns by substantially reducing pollution, along with many other benefits. Industry experts forecast significant sales growth in the coming years for the automotive market, making EVs a key part of the next generation of vehicles and means of transport. To accommodate this influx, the network of EV Charging Stations must improve as more EVs take the roads. As a solution for EV Charger and EV Charging Station designs, Panasonic offers a wide range of Electronic Components and Devices that support charge control, communication, and human interface device requirements for EV Charging applications.
The ASQMR1 Series Seal Type Snap Action Switches feature an installed Resistor that protects circuits thus preventing malfunctions such as disconnection and wiring short circuits. Resistor installed Switches contribute to device miniaturization and decreased weight by not requiring a separate Resistor on the board. The ASQMR1 Series is suitable for EV Charging Guns and other applications.
The ABS Series Sealed Subminiature Snap Action Switches are compact in size and offer high sealing performance. Featuring an elastomer double molding technology which contributes to steady sealing quality. Panasonic's ABS Series Switches provide superior operating position precision and are suitable for EV Charging Guns and other applications.
The PAN9520 Series RF Module is a 2.4 GHz 802.11 b/g/n Embedded Wi‑Fi RF Module based on Espressif ESP32-S2, including the powerful Xtensa® 32-bit LX7 CPU. An integrated chip antenna and QSPI memory enable the PAN9520 Series RF Module to be used in a variety of stand-alone or host-controlled applications and are suitable for EV-related Wireless Communication applications.
The PAN9026 Series is a dual band 2.4/5 GHz 802.11 a/b/g/n Wi-Fi Radio Module with integrated Bluetooth BDR/EDR/LE, specifically designed for highly integrated and cost-effective applications and are also suitable for EV-related Wireless Communication designs. The simultaneous and independent operation of the two standards enables high data rates (802.11n) and low-power operation (Bluetooth Low Energy).
The Hybrid Capacitors combine the benefits of Aluminum Electrolytic and Specialty Polymer Capacitors resulting in a Capacitor featuring high endurance, low-ESR, high tolerance for ripple current, inrush currents, and elevated temperature. Hybrid Capacitors are known for their stable electric characteristics at high frequencies while maximizing reliability and are suitable for EV Charging Stations and other applications.
The ECQ-UB Series Film Capacitors feature an operating temperature range of -40°C to 110°C, a rated voltage of 300 V.AC, and a nominal capacitance range of 0.001µF up to 1.0µF. A flame-retardant plastic case and non-combustible resin are utilized leading to accreditation in accordance with UL/CSA and European safety regulations for Class X1 and Class Y2. The ECQ-UB Series Capacitors and are suitable for EV Charging Stations and other applications.
The ECW-FG Series Metallized Polypropylene Film Capacitors are rated for 85/85 and tested up to 1000 hours! They are used for automotive applications featuring Panasonic's non-inductive, metallized polypropylene film construction with a flame retardant plastic case. The ECW-FG Series Capacitors are suitable for EV Charging Stations and many other applications.
The ERA-xV and ERA-xK Series Resistors are manufactured with a gold inner terminal and soft outer terminal, making them highly reliable and stable when faced with high temperature and high humidity. Featuring a uniquely durable design for high ESD resistance and operating temperature range. These Resistors are suitable for EV Charging Stations and other applications.
Panasonic's ERZ-E1xAxxxSx Series Radial Leaded Disc ZNR® (Zinc Oxide Non-Linear Resistor) Transient / Surge Absorbers features outstanding performance, small diameter size and a broad operating temperature range of -40°C to +125°C. The ERZ-E1xAxxxSx Series are suitable for EV Charging Stations, EV Charging Guns and other applications.
Panasonic's AQV258H5 Series HE 1 Form A Type PhotoMOS® Relays in a DIP6 Package offers a 1500V high voltage capability with switching reliability and application safety in Battery Monitoring Systems (BMS). The AQV258H5 Series are suitable for EV Charging applications where battery insulation solutions are required for leakage detection.
The GE 2 Form A Series PhotoMOS® Relays apply to 2 Form A use and two independent 1 Form A use, ranging from Output rating of 60V 500mA to 600V 40mA, with an I/O isolation voltage of 5000Vrms (reinforced). These are available in 8 pin DIP through-hole or surface mount. The GE 2 Form A Series Relays are suitable for EV Charging related Battery Monitoring Systems.
Panasonic's HE Series Relays PV Type is available in three different contact ratings: 35A, 48A, or 90A. These Relays have a 1 Form A (SPST-NO) contact arrangement in a PC Board mountable small case size. The HE Series Relays feature the minimum contact gap and 2.5kW surge breakdown required by photovoltaic standard requirements. The HE Series Relays are suitable for EV Charging Inverter Disconnection for single phased chargers.
The HE-S Series is a compact Power Relay with low operating power and high-capacity switching. This Relay features contacts with long electrical life and a high-capacity resistive switching load rating of 35A at 277VAC for 50,000 cycles. This Relay also features a mirror contact structure (compliant with EN60947-4-1) which uses a 2 Form A coupled with a 1 Form B contact arrangement. The HE-S Series Relays are suitable for EV Charging Inverter Disconnection for 3-phased chargers.
1. Safety Cutoff on the AC Side (Figure 1.1)
The purpose of this Relay is to be used to protect the grid power network by cutting off the circuit to prevent abnormal currents that occur from affecting the commercial power supply. Panasonic offers a line-up of AC Power Relays such as the LF-G, HE-S, and HE PV Type Series which can be used as safety measures to protect the power supply system.
2. Safety Cutoff on the DC Side (Figure 1.3)
This can be one of the most demanding requirements for a DC Power Relay. These Relays are required as a safety measure in the event of a defect in or malfunction of the battery or system. The Panasonic EP Relay Series features a hermetically sealed construction, with a hydrogen gas mix enclosed within a ceramic capsule to enhance arc reduction at these high voltage and current values.
3. Signal Control for IC Card Activation (Figure 1.4)
For models that require the use of IC cards for charge control, low on-resistance type PhotoMOS® Relays with voltages around 30V to 60V are ideal.
4. Insulation Detection for Battery Inside the Inverter (Figure 1.2/ Figure 2)
If the insulation in a station deteriorates, a ground-fault current passes when the relay is turned on, and a sensor detects the current. High load voltage types PhotoMOS® are ideal for use with quick charger stations which carry high voltage. With their high switching speeds and electrical isolation, these Relays are ideal for scanning battery cells.
Panasonic's Varistors (ZNR Surge Absorber) Type: E have a quick response to steep impulse voltage. Compact in size with a large surge withstanding capability, these Varistors offer low clamping voltage for better surge protection. Panasonic's Varistor Type: D Series: E features large surge current and energy handling capability for absorbing transient overvoltage in compact sizes. With a voltage range 200V to 1100V and a maximum surge current up to 10,000A, these Radial Leaded Disc ZNR® Transient/Surge Absorbers offer space and cost savings as well as a finer grain structure which facilitates enhanced performance while allowing for size reduction.
See Panasonic Components and Devices at work in EV Charging Design Application examples below. Here you'll find suitable products for each area of your EV Charging design including the following:
EV Charging Plug
Click on the block diagram to expand the lightbox view.
This EV Charging block diagram featuring Panasonic Components and Devices used in EV Charging HMI/System Control, Charge Unit & Charging Plug design.