The XB6042J2SV-L with DFN1X1x0.37-4 Battery Management ICs is manufactured by XySemi. This IC is an integrated circuit designed to provide battery monitoring and management for battery powered devices. It features a wide operating voltage range of 2.6V to 4.4V, low power consumption, and overvoltage and overcurrent protection. It also has programmable battery charging, Temperature Protection, and Overcharge Protection. The package is a RoHS compliant DFN1x1x0.37-4. This IC is suitable for applications such as wearables, IoT devices, and handheld devices, where battery power must be managed efficiently.