IC Selection
eFuse IC: TPS25983 (
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This eFuse IC was selected because…
Its wide 2 - 18 A current limit range allows flexibility without needing to parallelize any eFuses.
Has functionality for overcurrent, under/overvoltage, slew rate control, reverse current (via external FET)
Monitoring functionality for current and fault state.
Works for 12V and 24V systems.
It’s on the more pricy side of TI eFuses but the wide current range and flexibility in voltage will allow us to save costs by requiring fewer ICs if we can keep the same system working into the next-generation vehicle.
Digital POT IC:
Yummy coming soon.