TPS54872PWPRG4

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The TPS54872PWPRG4 is an integrated buck regulator from Texas Instruments’ family of low power, high efficiency synchronous step-down converters. This device offers a very low quiescent current and the ability to support any required input voltage from 7V to 45V. Its integratedhigh-side and low-side FETs eliminate the need for external FETs or low side drivers, while its low power operation capability reduces BOM component count and cost. Supported by advanced features, such as over-voltage and over-temperature protection, the TPS54872PWPRG4 is ideal for a variety of applications, including automotive, industrial and communications.

In automotive applications, the TPS54872PWPRG4 is used to fix the voltage of a DC-DC power converter to an always-on 3.3V. This voltage is necessary to provide reliable subsystem power, even when the vehicle’s main power source fails. The buck converter also reduces the size and cost of the components that would be needed for a discrete solution. In industrial applications, the buck converter is used to regulate the voltage supplied to sensors and other devices in remote control systems.

The working principle of the TPS54872PWPRG4 is based on the idea of synchronous rectification. Synchronous rectification is the technique of obtaining high efficiency by controlling the switch State of the buck converter, using the oscillation frequency of the power device. By controlling the switch State of the converter, the buck converter can achieve high input voltage conversion to the desired output voltage at very high efficiency, even at very low currents. The TPS54872PWPRG4 also uses a number of additional technologies to increase its efficiency and accuracy, such as high precision voltage loop with adjustable voltage monitoring, high-side and low-side FETs, and current limit protection.

The TPS54872PWPRG4 is a highly specialized device and is used in applications that require specific features such as faster transient response, better current limit accuracy, faster slew rate, and on/off control. As such, the TPS54872PWPRG4 is ideal for applications that require fast, precise voltage regulation, such as ADAS systems, load dump protection, and high power switching applications. The TPS54872PWPRG4 is also well suited for use in multiple-output power designs, as it provides precise output voltage control and current limit protection for both outputs.

In conclusion, the TPS54872PWPRG4 from Texas Instruments is an integrated step-down buck regulator that is ideal for automotive, industrial and communications applications. The TPS54872PWPRG4 is a highly specialized device, providing precise voltage regulation and current limit protection, as well as fast transient response and slew rate. The TPS54872PWPRG4 is capable of handling a wide range of input voltages, while its low power operation capability reduces BOM cost and component count. As such, the TPS54872PWPRG4 is an ideal choice for applications that require precise voltage regulation, such as ADAS systems, load dump protection, and high power switching applications.

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