TPS3823-33DBVR

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Power management Integrated circuit (PMIC) are important components for modern electronic systems, which can be used to adjust, monitor and protect the device from various factors. Supervisors are one type of PMIC, which have the mission to protect a system from power and voltage instability. The TPS3823-33DBVR is a C-UL intermediate Voltage supervisor device, integrate a fixed and adjustable threshold circuits, which can be used to detect fault in a wide range of voltage supervision with reset or interrupt generation capabilities. This product can provide a reliable protection to system power integrity and reliability.

The TPS3823-33DBVR can be used in various application fields, such as power failure protection in industrial, medical and computer systems, providing voltage warning during over-voltage or under-voltage conditions. Its programmable delay time can be used to initialize system components during power-up, compensate for battery and capacitor discharge-rate, as well as level shifting. It also can be used in industrial and digital ground loop applications, to act as watchdog or counter reset circuit, and in automotive applications, to Reset System Setup on Battery Disconnect.

The working principle of the TPS3823-33DBVR is easy to comprehend. It is designed to be an active low logic IC, with the power input GATE and OUT pin shared. On the low side of three terminals, the GATE terminal can act as a voltage reference, providing an adjustable 1.2V threshold. The threshold voltage of the OUT terminal can be set with resistor divider network, while an internal pull-up/pull-down circuit can be used to set the voltage LOGIC range of the OUT terminal from 0.1V to 6V. In addition, a fixed and adjustable Polarity-reversible comparator, with the triggered OUTput logic, is used to compare the voltage of GATE and OUT terminal, to detect whether it is in the "open loop" state. If the OUT terminal voltage is higher than threshold, it will generate a voltage level of 0V state, which can be used as an reset, interrupt output.

The TPS3823-33DBVR has a wide variety of advantages. For example, its C12 voltage fault detection can detect critical open-loop, short-channel and over-voltage conditions with industry-standard accuracy. It is easy to reconfigure and program, with no additional external parts required, which can help in saving cost and simplifying design process. Besides, its wide operating temperature range, -40℃~125℃, provides reliability in harsh environment. This IC also can be applicable to a wide variety of Power Systems, ranging from simple to high end, with its wide range of input voltage, 1.2V to 17V.

To sum up, the TPS3823-33DBVR is a well-designed intermediate Voltage supervisor device, which can provide an effective and reliable protection to system power integrity and reliability. Its adjustable and fixed threshold comparators, coupled with its wide range of features and applications, can help to enrich the design options for system engineers. It is definitely going to be a valuable part in the digital world.

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