TOSHIBA CMOS Linear Integrated Circuit Silicon Monolithic TCK2291xG TCK2291xG 2A Load Switch IC with True Reverse Current Blocking The TCK2291xG series is Load Switch ICs for power management with True Reverse Current Blocking and Thermal Shutdown function featuring low switch on resistance, ultra low quiescent current, high output current and wide input voltage operation from 1.1 to 5.5 V. Switch ON resistance is only 31 mΩ at 5.0 V, -0.15 A load conditions and output current is available o.