TPS3813K33DBVTG4

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TPS3813K33DBVTG4 is a supervisor PMIC (Power Management Integrated Circuit) which can be used to monitor and control the power, voltage, current and temperature in many applications. It is an easy-to-use responder measuring, regulating and supervising the power within integrated systems that require a steady and reliable input voltage. Its application fields include microprocessor systems, battery-backed applications and power supply monitoring.

The TPS3813K33DBVTG4 was designed to continuously monitor power supplies in various power rail systems. In microprocessor systems, it is used to supervise the voltage level on the Vcc (main supply) while in battery-backed systems, it is used to supervise the back-up power line. It is also used to ensure control of power supply or battery backup systems, as well as to monitor the system temperature.

Reasons why the TPS3813K33DBVTG4 is chosen for these applications include: its ability to protect devices against false power up, under voltage, over voltage and over temperature conditions; and its adjustable trip threshold to desired voltage levels. With these features the effectiveness of protection is increased and so is the capacity to protect from unexpected power supply conditions and system malfunctions.

The working principle of the TPS3813K33DBVTG4 is based on the usage of an on-chip voltage reference unit and comparator. The reference voltage is set to the desired trip level and the output is monitored continuously to detect any drop of the voltage. When a voltage drop is detected, the output of the comparator is forced to logic low, which indicates that an under voltage condition is present.

The TPS3813K33DBVTG4 supervisor can be used to control the voltage levels within a system by responding to both the over and under voltage conditions. Upon detecting a voltage drop below the trip level, the TPS3813K33DBVTG4 sends a reset signal that causes the power supply to shut off and prevent the system from operating with insufficient voltage levels. Furthermore, when over voltage conditions are detected, the reset signal is triggered which, in turn, causes the power supply to shut off and protect the system from any damage due to over voltage. This reset signal can be configured to be active low, as well as active high.

The TPS3813K33DBVTG4 supervisor is designed with temperature protection in mind, as well. It has an adjustable temperature trip point that provides thermal protection against temperature rise beyond a certain level.

The TPS3813K33DBVTG4 is a feature-rich, microprocessor-controlled power monitor, supervisor, and supervisor/controller IC. Its array of features make it ideal for use in many applications, including microprocessor systems, battery-backed applications and power supply monitoring.

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