The MC33771BTA1AE is an advanced battery cell controller manufactured by NXP. It is a 14 channel TPL (Thermal Protection Layer) in an LQFP 64-pin package and is supplied on a reel. It features an embedded 16-bit MCU that is paired with NXP's proprietary TPL software, enabling precise control of temperature and current distribution, with improved safety and reliability. It supports bidirectional MPPT technology, automatically balancing the cells, preventing overcharge and over-discharge, and increasing usage life. An integrated 12-bit SAR ADC, temperature sensor, and overcurrent protection provide robust and reliable monitoring of cells throughout the battery management system. The MC33771BTA1AE is suitable for a wide variety of industrial, automotive, and consumer applications, such as batteries, fuel cells, and solar energy storage.