LP3971SQ-2G16/NOPB

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LP3971SQ-2G16/NOPB is a specialized power management integrated circuit (PMIC) that offers improved current delivery, a high level of integration, and excellent efficiency in a single-chip solution.The LP3971SQ-2G16/NOPB is designed for applications such as LED lighting, LED backlighting, low-power audio, low-power white goods, and other systems using efficiency- and cost-optimized embedded control.

The LP3971SQ-2G16/NOPB integrates a wide range of features and functions, including a full suite of power management components, to provide system designers with a cost-effective, compact, and high-performance power solution. With its advanced features, the LP3971SQ-2G16/NOPB helps to optimize system efficiency and reduce design time.

The LP3971SQ-2G16/NOPB integrates a high-efficiency 350mA buck converter, two general-purpose MOSFET drivers, four voltage regulators and two adjustable current sources. The buck converter’s flexibility is lightened by a PWM/PFM enable switch to a regulator. This feature enables the controller to work either in 1MHz or 250kHz mode and thereby providing high efficiency even in light-load conditions.

The voltage regulators integrated into the LP3971SQ-2G16/NOPB are of the fixed-frequency, pulse-width-modulated (PWM) type. These regulators provide high-quality, regulated voltage outputs with low noise and without the need for an external device. The two current sources are used to sense the resistive load current from a MOSFET drive and can be adjusted via external resistors to match the desired specifications.

The LP3971SQ-2G16/NOPB is designed to be the complete power solution in space-constrained, handheld applications. It integrates a state-of-the-art, low voltage power management system including all of the features necessary for small, cost-effective, and efficient power management. The LP3971SQ-2G16/NOPB also has a wide operating temperature range (–40°C to +85°C) making it suitable for designs operating in both industrial and consumer environments. With its high-level integration, excellent efficiency, and improved current delivery, the LP3971SQ-2G16/NOPB is the ideal power solution for a variety of applications.

The working principle of the LP3971SQ-2G16/NOPB is based on the existing single-chip power management system principles. The LP3971SQ-2G16/NOPB contains a power management integrated circuit (PMIC) and a driver integrated circuit (IC). The PMIC is responsible for the power management functions, such as voltage conversion, voltage regulation, power protection, standby power, and low power operation. The driver IC is the interface between the PMIC and the rest of the system. The LP3971SQ-2G16/NOPB offers a wide range of power management features and functions, as well as comprehensive stand-by/low power operation modes, to ensure maximum efficiency and cost savings. The LP3971SQ-2G16/NOPB provides a full suite of features for powering and controlling a wide variety of applications. The PMIC\'s two general-purpose MOSFET drivers can be used for switching of loads including relays, motors, and LEDs. Its four voltage regulators can be used for voltage conversion and regulation. The two adjustable current sources enables users to design a power system with desired current matching. Lastly, the LP3971SQ-2G16/NOPB can be used to power and control low power audio, LED backlighting, LED lighting, and other low power systems. In conclusion, the LP3971SQ-2G16/NOPB is a specialized power management IC that offers improved current delivery, a high level of integration, and excellent efficiency in a single-chip solution. It is designed for applications such as LED lighting, LED backlighting, low-power audio, low-power white goods, and other systems using efficiency- and cost-optimized embedded control.

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