TPS2419DR

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Application Field and Working Principle of TPS2419DR

TPS2419DR is an integrated Power Management IC (PMIC) designed for mobile and embedded applications that require high efficiency and low form factor. It is a complete PMIC solution designed to reduce power supply complexity and therefore reduce total cost. It integrates an ideal diode rectifier and an OR controller that can be used together to form an intelligent system power solution.

Application Field

TPS2419DR can be used in a variety of application fields, such as: laptop, tablet, mobile phone, portable multimedia player, and other embedded systems where highly efficient and small form factors are necessary. It is particularly suitable for applications that require hot plug load sharing between two or more power rails. For example, it is a highly efficient power management solution for mixed-voltage systems like smartphones, which involve multiple power supply rails with different voltages.

Working Principle

The TPS2419DR consists of two main functional blocks: an OR controller and an ideal diode rectifier. The OR controller is used to detect the voltage of each power rail, and switch between different power rails according to the voltage changes. This allows the system to continue functioning when one power rail fails or is disconnected. The ideal diode rectifier is used to allow multiple power rails to be connected in parallel and safely share the load. It eliminates the power loss of a conventional Schottky rectifier and improves system efficiency.

The TPS2419DR supports various power supply architectures 3.3V, 5V and 12V. Its integrated OR controller reduces power supply complexity by providing safe and efficient load sharing among two or more rails. Its ideal diode rectifier eliminates the power loss of a traditional Schottky rectifier and allows multiple power rails to be connected in parallel and safely share the load. By providing an efficient and low form factor solution, TPS2419DR is well suited for applications where highly efficient and small form factor are needed.

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