Traction Inverters

Traction inverters perform dc-to-ac conversion for drivetrain motors in EVs. A block diagram shows Littelfuse power converters vehicle makers can use, as well as devices that provide overcurrent, overvoltage, and overtemperature spikes protection to inverters and motor controllers. Available solutions include IGBTs and gate drivers, surface mount fuses, TVS diode arrays, and thermal protectors.

Block Diagram

Technology:
Product Series:TPSMB, TPSMA6L, SZ1SMB, SZP6SMB, SZ1SMA, SZSMF4L
Features:AEC-Q101-qualified, meets IEC standards for ESD protection and ISO standards for in-vehicle transient surges
Benefits:Excellent clamping capability, meets automotive industry standards, fast response time, compact design

Technology:
Product Series:AQ24COM-02
Features:AEC-Q101-qualified, meets ESD protection levels specified under IEC 61000-4-2 and ISO 10605, low-leakage current and clamping voltage
Benefits:Ensures reliability of the equipment without performance degradation

Technology:
Product Series:AQ4022
Features:AEC-Q101-qualified, meets ESD protection levels specified under IEC 61000-4-2 and ISO 10605, low-leakage current and clamping voltage
Benefits:Ensures reliability of the equipment without performance degradation

Technology:
Product Series:526, 828, 30EV1K, 25EV1K, 823A
Features:High-voltage, ceramic body ensures compatibility with high-temperature environment
Benefits:Provides safety protection from short circuit conditions

Technology:
Product Series:TPSMB, SZ1SMB, SZP6SMB, TPSMB Asymmetric
Features:Clamps the transient that is created when the MOSFET switches, ensures reliability, asymmetric diodes to protect the gate of SiC transistors.
Benefits:Clamps the transient that is created when the MOSFET device switches, ensures reliability

Product Categories

TVS Diode Array Product Category Image

TVS Diode Arrays

TVS diode arrays protect electronics from damage due to transient voltage surges and electrostatic discharges (ESDs). Littelfuse offers a variety of these surge protective devices (SPDs) in SOIC, DIP, flipchip, and other designs. Our lightning SPDs direct massive voltage surges from lightning strikes on outdoor equipment to ground. Our ultra-low capacitance TVS diodes provide ESD protection to data ports and cables. We also make SPDs specifically for automotive applications. Find your solution in our Circuit Protection Products Selection Guide.
Fuses Product Category Image

Fuses

Explore our full range of fuse types and sizes. As a leading manufacturer of electrical components, we offer a broad selection of fuse types, such as electrical and industrial fuses. Our industrial fuses are designed to deliver reliable overcurrent protection across a wide range of applications. From power and automotive fuses to axial, cartridge, surface-mount, specialty, and medium-voltage options, our solutions ensure safe and efficient current regulation for virtually any system or device.
Gate Driver ICs

Gate Driver ICs

Gate driver integrated circuits (ICs) control the operation of metal-oxide–semiconductor field effect transistors (MOSFETs) and insulated gate bipolar transistor (IGBTs). Sold state design and a patented process that allows users to program the ICs’ voltage threshold make Littelfuse gate driver ICs ideal replacements for electromechanical relays and discrete diodes. We produce several versions of gate driver ICs specifically for silicon carbide MOSFETs (SiC-MOSFETs) and high-power IGBTs used in applications where fast turnoff is desirable.
Thermal Product Overview Image

Thermal

Metal hybrid protection (MHP) devices combine resettable fuses with bimetallic thermal cutoff devices to provide overcurrent and overtemperature protection to rechargeable batteries. MHP devices, which are also called battery mini breakers, protect Li-ion and lithium polymer batteries for notebook PCs and power tools. They are also small enough to use with prismatic cells for mobile phones. The MHP devices made by Littelfuse rely on our innovative PolySwitch® polymer positive temperature coefficient (PPTC) technology to ensure long-lived resettable fuse performance.
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TVS Diodes

Transient voltage suppressor (TVS) diodes defend against damage from overvoltage events by responding within picoseconds to shunt current to ground. The classic example of TVS diode use is protecting outdoor telecom equipment from lightning strikes. Littelfuse produces surface mount and leaded diodes and TVS diode arrays for that, as well as TVS diodes for cars, personal electronics, data cables, and household appliances. Consult our Circuit Protection Selection Guide to guide your search for a solution.