Figure 1 This 4 to 18V-input, 12V-output SEPIC has short-circuit protection. Figure 2 The short-circuit input and output current for the circuit of Figure 1 differ at different voltages.
Automotive applications need “smarter” drivers for their switches, which handle loads ranging from a fraction of an ampere to several amperes. Not only are these smart chips costly, but many times, ...
If you have an application in which a MOSFET is already used to switch a load, it is relatively easy to add short-circuit or overload protection. Here we make use of the internal resistance RDS(ON), ...
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