The TJ2242GSF6 is a Power Management Integrated Circuit (PMIC) manufactured by HTC Korea. It is a SOT23-6 RoHS compliant device, and features a power switch used for switching power rail stably. With a low on-resistance of less than 20mO, it performs load current over 2A. It has built in protections against Over Current (OCP), Over Voltage (OVP), Reverse Voltage (RVP), Under Voltage Lock Out (UVLO), and Reverse Current (RCP). It has a soft-start feature, and operates from -40 to 125°C.