The FS4054A LTH7 with SOT-23-5L Battery Management IC is an electronic component manufactured by FOSAN. It is designed for use in batteries such as Lithium Ion, Nickel Metal Hydride, and Lead Acid to provide battery protection, monitoring, and charge control. The IC features a 2-wire serial interface, output current up to 4A, temperature range of -30°C to +85°C, and low quiescent current. It is lead-free, halogen-free, and RoHS compliant.