TPS55165QPWPTQ1

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TPS55165QPWPTQ1 is a PMIC (Power Manager Integrated Circuit) that is part of the voltage regulator DC DC (direct current direct current) switching regulator family. This integrated circuit offers a low noise high output voltage and high efficiency. It is a synchronous fixed-frequency voltage conversion IC, with a very low external component count.

The purpose of the TPS55165QPWPTQ1 IC is to ensure that the voltage output is accurately regulated at the desired level. It works by using a pulse-width modulation (PWM) control system that samples the output voltage in real time and adjusts the duty cycle of the PWM signal in order to maintain the output voltage within a certain range.

This voltage regulator IC can be used in a variety of applications. Typical uses include automotive, PC and laptop charging, distributed power rail, USB powered equipment, and other DCDC applications. Additionally, it can be used in a variety of point-of-load applications due to its low noise and very low component count.

TPS55165QPWPTQ1 includes several features that are beneficial for designers when selecting this device. The first is its low quiescent current of only 2.5μA, which allows for the implementation of longer battery life applications. Secondly, it is designed to operate with a wide range of output voltages, from 0.8V up to 5.5V, which is beneficial for designs that must accommodate a number of output voltage levels. Additionally, protection circuits are incorporated in the IC, including cycle-by-cycle current limiting, dual overcurrent/excessive power dissipation protection, as well as thermally regulated overtemperature protection.

The TPS55165QPWPTQ1 IC functions by controlling a MOSFET (Metal Oxide Semiconductor Field Effect Transistor) in a synchronous buck configuration. As the output voltage increases above the desired level, the MOSFET will be turned gradually on and off, depending on the duty cycle of the PWM signal coming from the pulse-width modulator controller. This will reduce the amount of power going to the inductor and result in a decrease of the output voltage. The output voltage will then be regulated through the on/off control loop.

Overall, the TPS55165QPWPTQ1 is an excellent choice for a variety of DCDC applications. Its low quiescent current, wide output voltage range, and integrated protection circuits make it ideal for situations where space is tight and efficiency and reliability are a must. Its small size and low component count also make it an ideal choice for point-of-load applications, which require high-speed transient response and accurate output current control.

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