TPS3802K33DCKR

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Power management integrated circuits (PMICs) are essential components, found in nearly all electronic devices. Without them, many of the conversion and regulation tasks that electronic devices need in order to function would be impossible. One such very important PMIC is the TPS3802K33DCKR. It belongs to the category of supervisors, which are in charge of protecting electronic systems against over-voltage, over-current, over-temperature and many other contingencies.

This particular PMIC offers a linear regulator-based solution that works within a wide temperature range and provides protection against over-voltages, over-currents, open loads, and other over-temperature occurrences. Additionally, it features two PORs (power on reset) and two OVPs (over-voltage protection) that provide protection against false starts and power surges. It also offers a programmable watchdog timer to allow the user to configure the watchdog timer in order to access system failures. In terms of output, the device is able to deliver up to 5A at 3.3V with a high efficiency rating of up to 95%.

The TPS3802K33DCKR has a number of application fields where it finds a great amount of use. It is commonly used in automotive and industrial design as a supervisor for power rails, as well as in portable electronic devices and wearable sensors. Additionally, it is ideal for applications with limited space and high power density, like LED lighting designs. Thanks to its wide temperature range it can be used in extreme temperature environments, either hot or cold.

The working principle of the TPS3802K33DCKR is based on an integrated linear regulator, with a dual-function comparator for accurate voltage and current limit detection. The device uses an external comparator for OVP, UVLO and other protection functions. In addition, the current limit function is adjusted by an external resistor. The device has numerous features including programmable features like OVP, UVLO, and selectable POR and OTP comparators. Additionally, it has a programmable watchdog timer with selectable timeouts to further expand functionality. Finally, the device offers a fast phase compensation time to ensure efficient current and voltage regulation.

In conclusion, the TPS3802K33DCKR is an important PMIC belonging to the supervisors family which offers a linear regulator-based solution for a variety of applications. The device is able to provide efficient and reliable power management under diverse circumstances, from automotive to industrial design, and from extremely hot to extremely cold. It features two PORs, two OVPs, and current limit function adjustable by external resistor, as well as a programmable watchdog timer. Finally, it provides fast phase compensation time for superior current and voltage regulation.

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