The LPD91821 from Texas Instruments is a high-performance, advanced power management integrated circuit (PMIC). This product is designed to provide a comprehensive solution for power supply requirements in various applications, especially those that demand precise, efficient, and flexible power management.

• Key Features: Multiple voltage regulators, battery charger, fuel gauge, and a range of protection circuits.
• High-Efficiency Step-Down Converter and Linear Regulator: Both can be independently controlled, providing flexible power management.
• Advanced Battery Management System: Includes a high-accuracy fuel gauge and a fast, efficient battery charger with features such as temperature compensation and overcharge protection.
• Protection Features: Overvoltage, undervoltage, overtemperature, and short-circuit protection.
• Design: Housed in a compact, surface-mount package with low-profile design suitable for space-constrained applications.
• Operation: Operates over a wide input voltage range with low quiescent current.