Littelfuse Powertrain Solutions

Littelfuse Powertrain Solutions ensure safety, efficiency, and reliability across various powertrain applications and harsh environments. These solutions include a wide selection of products: gate drivers, fuses, arrays, thyristors, GDTs, diodes, resistors, sensors, contactors, and more. Littelfuse Powertrain Solutions are built for high-voltage battery systems, onboard chargers, traction motor inverters, and DC-DC converters.

High-Voltage Battery System

Including fuses, diodes, and the TTape™ platform, these products are designed to provide excellent temperature stability, protection in high-voltage environments, excellent clamping capability, and dependable performance. Designed to meet AEC-Q specifications, they are suitable for high-voltage battery systems.

1. High-Voltage Fuse 4. Diodes and Fuses

2. Transfer 5. Main BMS

3. TVS Diode Array 6. Insolation Monitoring

Onboard Charger

These products include various diodes, drivers, and fuses. Features provided by these Littelfuse onboard charger solutions include a wide range of specifications, ensuring the ideal piece for any project, small form factor, durable construction, and high-efficiency designs.

1. Input Voltage 5. DC-DC Converter

2. Rectifier 6. Output Voltage

3. Power Factor Correction 7. Control Unit

4. DC Link 8. Current Shunt Resistors

Traction Motor Inverter

Excellent clamping capability, reliability, sensing accuracy, and temperature stability are a few of the benefits and features provided by these products from Littelfuse. These products meet AEC-Q standards, making them suitable for powertrain environments and harsh conditions.

1. Power Supply 3. Gate Driver

2. CAN Transceiver 4. HV Battery Pack

DC-DC Converter

Various functions in DC-DC converter applications are performed by these products, including transient voltage suppression, short-circuit protection, ESD protection, controlling the switching Si/SiC MOSFETs, thermal protection, and current measurement. These products include fuses, diodes, resistors, sensors, and diode arrays.

1. Power Supply 4. TVS Diode

2. CAN Transceiver 5. Secondary

3. Gate Driver

BDU/HV Junction Box

Designed for use in the DBU/HV junction box in a powertrain environment, these products offer fast and reliable protection, high sensing accuracy, excellent clamping capability, safety protection, high surge capability, and durable construction. These products include thyristors, switches, fuses, contactors, triggers, diodes, and IGBTs.

1. High-Voltage Fuses 7. High-Voltage DC Contactor

4. Pre-Charge 8. Main Negative Contactor

5. Gateway 9. Safety Discharge

6. Auxiliary Fuse 10. Safety Interlock