TPS54824RNVT Integrated Circuits (ICs)

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The TPS54824RNVT PMIC is a low-power DC/DC synchronous buck regulator with a 4.2V to 17V input voltage range. It is excellent for a variety of applications, including laptops and tablets, digital cameras, notebooks and monitors, portable media players and smart phones, as well as other types of consumer products. The TPS54824RNVT provides a flexible and accurate output voltage regulation solution with minimal external components.

This PMIC is capable of supporting output currents up to 5A while maintaining low-noise and high efficiency over a wide input voltage and output current range. The TPS54824RNVT is an adjustable step-down regulator that provides a 12-pin board-to-board compatible solution along with automatic dual-mode regulation and a built-in user-settable thermal overload protection. It features an on-chip soft-start of about 150msec and an internal 2.5A/1A current-limit state for heavy-load transient conditions.

In terms of features, the TPS54824RNVT offers an adjustable Output Voltage between 0.6V and 5V and a wide variety of Support Functions, such as a Synchronizable Frequency up to 2.5MHz, Spread Spectrum Support and Supports the Power Good Function. The internal voltage reference is highly accurate across temperature, current, and input voltage, with a voltage reference accuracy of +/- 0.8% and no external resistor needed. The device also supports two output modes, Pulse Skipping and Forced PWM, that can be selected via the output terminal (VOUT), allowing users to optimize the solution to their application.

The working principle of the TPS54824RNVT is also relatively straightforward. The integrated voltage regulator consists of two main components, an error amplifier and a current-mode control stage. The error amplifier compares the feedback voltage to a reference voltage and generates an error signal that is then used to adjust the output voltage. The current-mode control stage monitors the output current and the error signal from the error amplifier, and adjusts the pulse width duty cycle to maintain a constant output voltage. In addition, the device incorporates a switching FET driver and a slew-rate controlled gate driver to provide fast rise and fall edge transitions to minimize EMI.

In conclusion, the TPS54824RNVT is a high performance and cost-effective DC/DC synchronous buck regulator, making it an ideal solution for low-power applications ranging from consumer devices to industrial equipment. With its advanced features such as adjustable output voltage, wide range of support functions, and a wide input voltage range, it provides a highly efficient and reliable voltage regulation solution.

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