The BTS3408G is a low side power switch IC manufactured by Infineon that integrates all the active components needed for advanced power distribution, allowing designers to reduce external component counts. This device eliminates the need for additional external protection components, such as over-current fuse, as it provides self-limiting features. The device offers a smart junction temperature monitor, current monitoring, and can outperform most standard Power MOSFETs in terms of power dissipation and maximum voltage. It supports over-temperature and over-current protection, enabling a safe and reliable switch operation even in the event of a fault. The BTS3408G uses an I2C bus interface to allow communication between a microcontroller and the device, allowing designers to configure, monitor, and control different power distribution settings. It offers a wide variety of features, such as low RDS(on) and fast switching times, allowing for efficient operation and improved power efficiency.