C h a p t e r 3 | H i g h - V o l t a g e F u s e O v e r v i e w
Where are fuses found in modern
EV powertrains?
A key attribute of EVs is their electrical nature,
which drives a consideration for fuses to be used
in every subsystem, including onboard chargers,
offboard chargers, the inverter, power converters,
and the power distribution unit.
Regardless of whether an EV has an onboard
charger or utilizes an offboard charger, fuse
protection in both applications is paramount
because of the dangers of overcurrent in battery-
based technologies. In addition to damaging
the battery, an overcurrent event can damage
connectors, cable, switching contactors and other
components in the application.
The wide range of applications and use
cases for fuses requires suppliers to have
an extended fuse portfolio with continuous
development efforts to respond to the
needs of the market."
Michael Zimmermann
Business Development Manager, Tech Support xEV/EMEA, Littelfuse
18
7 Experts on Automotive Powertrains
