TPS54380PWPG4

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The TPS54380PWPG4 is a switching regulator that forms part of the wide range of Texas Instruments PMIC-Voltage Regulators-DC DC Switching Regulators product range. It is a four-channel synchronous buck controller with output voltage tracking for maximum system flexibility.

This device allows a System to precisely control an adjustable output voltage. Four independent synchronous buck controllers combine to generate up to four distinct dc voltages. The device offers a wide output voltage range, overshoot protection and full reporting of current-sense amplifiers. It is designed to cope with typical processor power requirements while keeping power dissipation in the system to a minimum.

The TPS54380PWPG4 allows an adjustable output voltage range of 0.85V to 1.26V. It also provides application flexibility by allowing each output voltage to be independently adjusted via the I2C bus. This gives the user maximum control over the system power requirements.

The operating current-limit range is between 10mA and 1000mA and the device is able to handle transient loads up to 30A. This device achieves 4% Load and line regulation for moderate load conditions and provides a high efficiency of 91% for higher load conditions.

The TPS54380PWPG4 uses a Buck-Boost architecture to manipulate the input voltage to deliver a wide output range. The Buck-Boost architecture, when combined with a power stage, regulates the output of the power stage according to the switching, which in turn allows a wide range of output voltages. The output voltage is tracked over temperature and load changes, making it suitable for a wide range of applications.

The TPS54380PWPG4 is designed to work in closed loop mode, which allows it to dynamically adjust the output voltage. In this mode, the buck-boost section is used to manipulate the input power and the controller then regulates the output to the user’s desired voltage set-point using a voltage feedback signal from the output of the buck-boost section. The device also provides simplifying features such as synchronous rectification, overvoltage protection, and voltage sequencing to simplify the design of the power supply.

The TPS54380PWPG4 is suitable for many different applications such as: battery powered devices, point-of-load supplies, distributed power systems, digital signal processors, microprocessor cores and any system that needs efficient, high-power density power converters.

As a versatile four-channel switching regulator, the TPS54380PWPG4 is well-suited for a variety of applications. The device offers wide load range, fast load response times, and advanced reporting features, making it an ideal solution for processor- and application-level power systems.

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