IR3084UMTRPBF

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IR3084UMTRPBF is a power management integrated circuit (PMIC) designed to provide integrated power solutions with specialized support for a range of microcontroller, microprocessor and FPGA applications. This PMIC is part of a larger family of ICs that specialize in the integration of power management and control functions. The IR3084UMTRPBF PMIC helps simplify board design and reduce power dissipation by integrating numerous functions and power rails typically found in multiple integrated components.

The IR3084UMTRPBF PMIC enables power conversion and control solutions that are optimized for space-constrained applications. It integrates a range of current and voltage monitoring functions, system reset, fan speed control and failure detection, as well as ultra-low dropout (LDO) regulators and dc-dc converters for powering microcontrollers, microprocessors and other integrated circuits.

The IR3084UMTRPBF PMIC operates from an input voltage range of 2.7V to 6V and achieves up to 95% efficiency. With its integrated power conversion circuitry, the IR3084UMTRPBF PMIC delivers up to 500mA of output current. The device also features short circuit protection and over temperature protection for reliable power delivery.

Working Principle

The IR3084UMTRPBF PMIC primarily works through the implementation of voltage conversion and voltage regulation. Voltage conversion is the process of converting a supply voltage to a different level, while voltage regulation helps maintain power supply conditions within specified limits. The two processes together provide the necessary power management functions required by applications.

The PMIC’s voltage conversion process is primarily composed of a pair of linear regulators, a buck regulator, a step-down regulator, and other components. The linear regulators create a regulated voltage output from an unregulated DC voltage input, and the buck and step-down regulators convert the input DC voltage to lower and adjustable output levels. These power conditioning components work in unison to ensure that the output supply voltage remains stable, despite the varying input voltage levels.

The voltage regulation process of the IR3084UMTRPBF PMIC is composed of a voltage supervisor (VS) and several current limiting resistors. These components work together to limit the current flowing through the circuit to a safe level, preventing the PMIC from overheating or going into a fault mode. The VS also monitors the voltage output so that the voltage level is kept within the desired limits. In case of excessive currents, the VS can immediately trigger an interrupt, thereby shutting down the system.

Application Field

The IR3084UMTRPBF PMIC is an ideal solution for applications requiring integrated power management and control functions. The integrated power components of the device make it suitable for powering applications with high current requirements, such as industrial automation and robotics, automotive, telecommunications and display systems, among other applications.

In addition, the device’s integrated features enable it to provide a wide array of real-time power control solutions. With its flexibility and wide range of monitoring and protection features, the IR3084UMTRPBF PMIC is also ideal for applications requiring high-efficiency power conversion and regulation, such as FPGA design and power supply applications.

The IR3084UMTRPBF PMIC is an ideal choice for applications requiring specialized power management solutions. This PMIC has been designed to provide a reliable and efficient solution for applications with high current requirements.

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