TPS75418QPWP

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The TPS75418QPWP is an advanced variable-voltage linear regulator which belongs to the power management integrated circuit (PMIC) family of linear voltage regulators. This regulator features a wide range of applications for telecom and computing systems, including power regulation for CPUs and LCD display backlight controllers. Designed to meet the advancement in modern power system technology, the TPS75418QPWP IC provides a robust solution for system power management, in addition to its numerous safety features such as protection from short-circuits and over-voltage.Thisapplication specific IC is a precision power management device with an adjustable output voltage range of 0.6V to 13V, with a maximum output current of 4.2A. It offers near-zero output voltage ripple for the entire output operating range, with an output accuracy of 0.3%. Furthermore, it features an adjustable load transient response with adjustable overshoot compensation and protection against over-voltage, over-current, over-temperature, output over-voltage and reverse-voltage.When it comes to the working of the TPS75418QPWP, it uses a dual stage power management design comprised of a buck-boost topology, with a multiple pulse width modulation (PWM) control to ensure accurate output voltage and current regulation. The power is then distributed to a voltage divider consisting of two resistors. This setup is used to maintain a voltage gain across the capacitors, reducing the input voltage when the output voltage increases, and raising the input voltage when the output voltage decreases.The TPS75418QPWP features an open-drain enable/disable pin to provide an on/off switch for the device. It also provides a high side open-drain power on/off signal to signal the presence of an output voltage, along with two separate independent input and output voltages for use when separate supply-voltages are required.To ensure a safe voltage regulation in the TPS75418QPWP, there are numerous safety features included such as overtemperature protection, over-voltage and overcurrent protection, as well as reverse-voltage protection. The thermal shutdown of the regulator provides automatic protection to the external components connected to the output, in case of an over-temperature situation. The overtemperature protection shuts down the device, but the power is still available when the temperature returns to normal, ensuring complete protection and seamless power regulation.In conclusion, the TPS75418QPWP is a highly efficient, linear voltage regulator with multiple safety features which provides a reliable and accurate power management solution for modern systems. It offers wide input and output voltage ranges, and low output voltage ripple, ensuring efficient power regulation with minimal power loss during operation.

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