TMMBAT43FILM is a product family of STMicroelectronics, a multinational electronics and semiconductor manufacturer with headquarters in Geneva, Switzerland. The TMMBAT43FILM family is a series of automotive Li-ion battery protection ICs that rate specifically for 12V 4.0Ah to 4.4Ah battery systems. This family of protection ICs is designed for use in light electric vehicle (LEV) systems and offers protection against over-charge, overdischarge, and over-temperature. The ICs also provide over- and undervoltage, current sensing, and short-circuit protection, enabling reliable and safe battery operation. Additionally, they offer power saving features such as fast wake-up, sleep mode and low-power system design. The family is compliant with AEC-Q100 standards, making it suitable for use in harsh environments, such as those encountered in automobiles.