Texas Instruments Power Management - Specialized LP3971SQ-G824/NOPB

The LP3971SQ-G824/NOPB is a multi-function power management unit designed for advanced application processors, particularly in low power handheld devices. It features three buck regulators capable of delivering up to 1.6A output current and six low dropout (LDO) regulators for powering various peripherals and real-time clocks. The device supports dynamic voltage management and offers programmable output voltages ranging from 0.725V to 3.3V with an output voltage accuracy of ¬±3%. Additionally, it includes a backup battery charger for lithium-manganese coin cells and supercapacitors, with output currents of 150mA, 300mA, and 370mA. The LP3971SQ-G824/NOPB is equipped with a high-speed I¬=C compatible serial interface for software control of regulator functions and settings. It is housed in a compact 40-pin WQFN package, making it suitable for space-constrained applications. The device also incorporates thermal and current overload protection features, ensuring reliable operation in various conditions.