LP3972SQ-E514/NOPB

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Processor
Current - Supply:	60µA
Voltage - Supply:	2.7 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	40-WFQFN Exposed Pad
Supplier Device Package:	40-WQFN (5x5)
Base Part Number:	LP3972

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LP3972SQ-E514/NOPB Application Field and Working PrincipleIntroduction The LP3972SQ-E514/NOPB from the Texas Instruments family of Power Management ICs (PMICs) is a quad-channel DC-DC regulator highly specialized for operation in the modern era power systems. Designed for easy integration and high efficiency operation, the LP3972SQ-E514/NOPB gives designers the freedom to easily design modern power products.Application Fields The LP3972SQ-E514/NOPB is well-suited for a variety of modern power applications. It is particularly relevant for any product that needs high-efficiency, low-power performance. These include microcontrollers, communications infrastructure, and data processing systems that require a high level of efficiency and power efficiency in order to optimize operating temperature while maintaining a low operating temperature.Another potential application field is in the automotive industry, where the LP3972SQ-E514/NOPB is well-suited for use in high power systems ranging from coolant pumps to battery chargers. Its high efficiency operation and low power consumption make it an excellent choice for these types of applications.The LP3972SQ-E514/NOPB is also a great choice for general-purpose applications. With its efficient operation and low power consumption, it is an ideal choice for many different types of products.Working PrincipleThe LP3972SQ-E514/NOPB from the Texas Instruments family of Power Management ICs is based on a four-channel current-mode DC-DC converter architecture. This architecture enables the IC to operate with higher efficiency and to limit power dissipation compared to traditional voltage-mode converters. Additionally, the IC is equipped with a wide range of features such as adjustable current limits, adjustable soft-start time, flexible power sequencing, and a selectable frequency that make it suitable for a variety of applications.The LP3972SQ-E514/NOPB utilizes two switching channels operating in parallel or series to regulate the desired output voltage. These can be operated in pulse-width modulation (PWM) mode or in voltage-mode control. The PWM mode allows the IC to maintain a constant voltage while being able to quickly switch between zero and full load conditions with very little overshoot or undershoot. In voltage-mode control, the IC can maintain a constant voltage output while still having the ability to quickly respond to Transients. The IC is also equipped with a wide range of features such as half-bridge synchronization, adjustable switching frequency, and a power off delay time to ensure safe operation even under unique load scenarios. Furthermore, the IC is programmable using the LP3972SQ-E514/NOPB’s integrated Peripheral Components Interconnect (PCI) bus interface.Conclusion The LP3972SQ-E514/NOPB is a quad-channel DC-DC regulator from Texas Instruments that is highly specialized for modern power systems. It features a high efficiency current-mode architecture, a wide range of features, and an integrated PCI bus interface while offering low power performance. The LP3972SQ-E514/NOPB is well-suited for high-efficiency, low-power operations in a variety of applications such as microcontrollers, communications systems, data processing, and automotive power systems.

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