TLV809K33DBZT Integrated Circuits (ICs)

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The TLV809K33DBZT is a low-voltage supervisor device from Texas Instruments. It is a type of PMIC – Supervisors, which as the name suggests, is a supervisor device that controls voltage levels in diverse systems such as computers, phones, tablets, and other related electronics. These supervisors are essential components in power management and protection systems, as they are designed to be “smart”, providing users with information and protection against unregulated voltage levels. This article will explain the application field and working principle of the TLV809K33DBZT.

This product is aimed towards embedded applications that require monitoring, controlling, and protection against unregulated power supply. It is used for real-time monitoring of the system\'s power supply and alter the system when out-of-specification levels are detected. Usually, this is implemented by supplying a reset signal which notifies the system that the voltage is out of profile - this function is often necessary in battery powered systems, where a flat battery could render the system inoperable. In cases such as these, a low-voltage supervisor can be relied upon to reset the system before the battery gets too low.

The TLV809K33DBZT has a wide input operating range of 2.25V to 6.0V, so it can be used with most common input voltages. It features a Precision voltage monitor with a typically accurate voltage monitor window of +-50mV tolerance around the adjustable monitor voltage point with a 7ns response time. Additionally, the programmable delays enable the user to control the reset width and blanking times in order to tailor the response of the device to the system\'s needs.

One of the major features of the TLV809K33DBZT is its protection capability. It is designed to protect against extremely low voltages, extreme high voltages, and short circuit events. When a voltage falls outside of the specified range, the device provides an active reset that can be used to notify the system and take appropriate measures to protect it. Furthermore, the device can be configured to respond to the over-voltage condition through external circuits, either by latching off the power supply or by actively sending an alert signal to the system.

The TLV809K33DBZT has a wide range of applications, from industrial machinery to medical electronics. It can be used to protect circuits from voltage drops or surges, to ensure the battery monitor circuits are functioning properly, and to provide a stable operating environment with no glitches, which is essential for equipment running critical tasks. Moreover, this device is suitable for temperature monitoring, as it can be used to detect out-of-specification temperatures and trigger thermostat-like actions.

In summary, the TLV809K33DBZT is a high-performance low-voltage supervisor and system protector that is capable of monitoring input voltages, detecting out-of-specification levels, and providing active reset signals to alert the system and take protective measures. It is widely used in embedded electronics and medical devices, ensuring the system operates within safe parameters and is protected from voltage drops, surges, and extreme temperature variations.

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