Littelfuse Off-Highway Electric Vehicle Solutions

Littelfuse provides a wide range of solutions for off-highway electric vehicles. These electric vehicles share a similar architecture and have a power range from 48V to 400V. Off-highway electric vehicles include electric forklifts, golf carts, three-wheelers, tow tractors, compactors, and excavators.

Electric Vehicle Powertrain Architecture

On Board Charger & Battery + BMS

Battery + BMS products from Littelfuse include fuses, TVS diodes, HV-DC contactor relays, and NTC thermistors, providing safety protection in high-voltage environments and safety to the system with high isolation. The On-Board Charger portfolio comprises fuses, gate drivers, GDTs, TVS diodes, and TVS diode arrays, providing various benefits, including excellent temperature stability and performance reliability and accurate temperature reading, enabling safe device operation.

1. On-Board Charger

2. Battery Pack + BMS

12V Battery 6 PDU & DC/DC Converter

The 12V Battery + PDU products offer many benefits for engineers, including the ability to stand up to mechanical shock and vibration, improved flexibility for designs, and excellent clamping capability. The DC/DC converter section of the EV powertrain architecture provides the reliability of the equipment without performance degradation and reduces switching and conduction losses for higher efficiency.

3. 12V Battery + PDU

4. DC/DC Converter

Traction Motor Inverter & Junction Box

Traction Motor Inverter products include TVS diode arrays, gate drivers, and IGBT discrete modules. Features of these products include fast response time, low gate charge, low EMI, and an efficient design. The Junction Box section includes fuses that provide safety protection in high-voltage environments and quicker reaction time.

5. Traction Motor Inverter

6. Junction Box