TPS3824-33DBVR Integrated Circuits (ICs)

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The TPS3824-33DBVR is a programmable reset supervisor integrated circuit (IC) from Texas Instruments that provides reset and system protection in microcontroller-based designs. It is part of the company’s family of voltage supervisor and power management integrated circuits from their precision family of semiconductor products. It provides a safe reset mechanism while at the same time keeping power consumed at a minimum. This makes it a great choice for applications where low power is necessary such as those in battery-driven systems.

A Supervisor is a function within an integrated circuit or a system which is responsible for monitoring system conditions and safeguarding the system from faults or error situations. This can be as simple as a voltage supervisor that detects when there is a short in the power supply, or a complex watchdog timer which monitors the results of the system and can reset it if the detected behavior is not consistent with the expected behavior. A Supervisor is however not a fault protection device, as it cannot detect a specific fault and can only reset the system.

The TPS3824-33DBVR is a voltage supervisor with a single 4.2V power supply, with a special watch-dog timer output pin. Its programmable features offer reset protection to suit different application requirements, enabling the device to support various system power-up and power-down scenarios. The TPS3824-33DBVR also eliminates erroneous resets caused by only momentary power supply drops or other power supply transients, offering improved system reliability and longer system lifetimes.

The device can be programmed to a continuous output or a single-cycling output. In continuous output mode, the Reset signal remains low while the supply voltage passes through the selected threshold and stays low until the supply voltage drops below the active low reset threshold. In single-cycling output mode, the Reset signal will cycle high after the selected power-up threshold is exceeded and stay high until the supply voltage drops below the active low reset threshold.

The TPS3824-33DBVR can also be used for Data Communications and Electronics Applications. The device can be used in conjunction with an microcontroller to provide protection for multi-channel data bus systems. By monitoring the state of each data bus line, the TPS3824-33DBVR can reset the microcontroller in the event of a data error. It can also be used to monitor supply voltages in electronic products, ensuring that they remain within safe operating parameters.

The TPS3824-33DBVR is also well suited for Automotive and Industrial Automation applications. In automotive applications, it can be used to monitor engine temperature sensors, knock sensors and various other parameters. In industrial automation, it can be used to monitor safety parameters, such as over temperature and over voltage conditions. In both cases, the TPS3824-33DBVR provides a robust and reliable means of resetting the system in the event of an error.

The TPS3824-33DBVR is an ideal reset supervisor for a variety of different applications requiring a small form factor solution. With programmable reset thresholds, and both continuous and single-cycling reset outputs, it is able to provide comprehensive system protection for many different types of systems. This makes it a popular choice for power management, data communications and industrial automation applications.

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