Littelfuse, ProTek Offer Monitoring for EVs, Aircraft

Safety and reliability are crucial in electric vehicle technology and aerospace electronics, where any failure can have critical consequences. In EV systems, monitoring devices ensure that charging processes remain safe and efficient, preventing dangerous faults and extending the lifespan of vehicles. Similarly, aerospace applications rely on protective devices to guard against unpredictable voltage spikes, which can endanger electronic components and potentially compromise flight systems.

Why is safety a concern for electric vehicle charging? Video used courtesy of Littelfuse

Littlefuse and ProTek Devices have developed monitoring products to enhance safety and performance for EV charging stations and aircraft electronics. These advanced solutions feature fault detection, high resilience to voltage surges, and compact designs that support integration across multiple applications. Additionally, these devices support high current thresholds and fast response times and are built to operate effectively in diverse settings, marking an advancement in EV charging technology and aerospace electronics.

EV charger current monitors. Image used courtesy of Littelfuse

Littelfuse’s Residual Current Monitoring Series

The RCMP20 Residual Current Monitor Series from Littelfuse is designed to enhance safety in EV charging stations. This series can detect unintended electrical currents, which helps prevent potential hazards. It supports Level 2 (home charging) and Level 3 (public or workplace charging) setups. The RCMP20 Series stands out due to its superior performance, allowing for higher charging currents and faster charging times for EVs.

Wiring diagram for the RCMP20. Image used courtesy of Littelfuse

Despite its advanced capabilities, it maintains a compact design, making it easy to integrate into various charging stations. Additionally, it features the industry's largest current transformer aperture, allowing it to handle and measure larger currents more effectively. This combination of safety, efficiency, and flexibility makes the RCMP20 Series a significant advancement in EV charging technology.

Key Features and Benefits

• Largest current transformer aperture
• Enhanced thermal performance
• High EMI resilience
• Flexible mounting options
• Compact design with PCB integration

ProTek Devices’ Transient Voltage Suppressors

The PAL704-P15K36 and PAL704-P15K36T from ProTek Devices are transient voltage suppressors (TVS) designed to protect electronic circuits from sudden voltage spikes, such as lightning strikes or power surges. These devices are used in 28-volt aircraft systems to ensure the safety and functionality of the aircraft’s electrical components. They meet several military and aviation standards (MIL-STD-704, MIL-STD-19500, and RTCA DO-160G), making them reliable for critical applications.

Transient voltage suppressors. Image used courtesy of Protek Devices

Handling up to 15,000 W for short durations, these TVS devices can absorb significant energy from voltage spikes without damage. The PAL704-P15K36 is suited for short, high-current spikes, while the PAL704-P15K36T is designed for longer-lasting spikes. Encased in durable plastic, they are lightweight and can maintain operation in temperatures ranging from -55 to 150°C.

Each PAL704-P15K36 and PAL704-P15K36T device undergoes rigorous testing to ensure 100 percent reliability and performance. This thorough testing process is crucial for applications in critical systems, such as aircraft and remote transmission lines, where even a minor failure can have significant consequences. By guaranteeing that every unit meets stringent quality standards, ProTek Devices ensures that these TVS devices provide dependable protection against voltage spikes, maintaining the integrity and safety of essential electronic circuits.