FuyaThe FM4057E42 with SOP-8-EP Battery Management IC is a RoHS-compliant, integrated circuit manufactured by Fuman Fuya. It is a small package, 8-pin IC designed for use in battery management systems and applications. The FM4557E42 features a 0.5-14V input voltage range, 5V/12V output voltage, adjustable current limit settings up to 80A, a low quiescent current of 8uA in sleep mode, over temperature protection, and an operating temperature range of -40°C to +85°C. It also has a low external component count, making it a cost effective choice for battery management applications.