PowerLAN Gateway Battery Management Controller with PowerPump Cell Balancing 48-VQFN -40 to 85 The part **BQ78PL114RGZR** is manufactured by **Texas Instruments (TI)**. It is part of the **bq78PL114** series, which is a **PowerLAN™ Fuel Gauge** designed for battery management applications. 

Key specifications include:
- **Function**: Battery fuel gauge with integrated PowerLAN communication.
- **Communication Interface**: PowerLAN (single-wire communication).
- **Operating Voltage Range**: Typically 2.5V to 4.5V.
- **Battery Chemistry Support**: Li-ion, Li-polymer, and LiFePO4.
- **Package**: 24-pin VQFN (RGZ).
- **Features**: Coulomb counting, voltage/temperature monitoring, and authentication.

For detailed datasheets or application notes, refer to **TI's official documentation**.