Stackable 20 A, 3.2 mΩ electronic fuse (eFuse) for 7V to 80V DC rails in a small LIQFN-23 package Infineon's XDP722-001 eFuse integrates a hot-swap controller, a low RDS(on) FET with up to 20 A current carrying capability, and a current sense in a small 6 mm x 5 mm package. With its wide operating voltage range, and extensive list of protection features against e.g., inrush current, under- and overvoltage, and overcurrent, it is especially suitable for 48 V/54 V (AI) server/data center and fan control applications.