TPS3803G15QDCKREP

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PMIC (Power Management ICs) are devices that maintain the power to the processor, as well as control its performance. Supervisors are special types of PMICs (Power Management ICs) that maintain power supply levels and also act as protection devices in case of over voltage, current or temperature conditions. The TPS3803G15QDCKREP is a supervisor IC (Integrated Circuit) from Texas Instruments that offers an accurate voltage and temperature supervisor for battery monitoring and microprocessor reset management in portable applications.

The TPS3803G15QDCKREP is widely used in many fields. It is often found in medical applications, point-of-sale transactions, handheld gaming devices and portable communication products such as smartphones and tablets. It is also used in automotive applications, industrial and military/aerospace products due to its high reliability and accuracy. The TPS3803G15QDCKREP supervisor is also available in industrial and automotive temperature grades, allowing it to be deployed across a wide range of applications.

The TPS3803G15QDCKREP supervisor operates by setting two 2.08V comparators. One is set to the normal supply voltage of 2.08V and the other is set to a voltage higher or lower than this 2.08V. Whenever the voltage drops below the lower 2.08V threshold, an alert is sent to the processor, which prevents any further operation and takes the processor into a reset mode. Similarly, when the input voltage exceeds the maximum threshold, an alert is sent, thus preventing additional voltage from being supplied to the processor.

The SPMODE pin can be used to select between two, three, or four-stage voltage supervisor modes. In three-stage modes, the supervisor monitors three voltage levels and provides over, under and dropout voltage comparators. In four-stage modes, three thresholds are monitored and a low-duty-cycle brown-out detect is monitored for brown-outs up to 500mV. Additionally, the supervisor can be configured in a pulse skip mode which allows for short pulse skipping of monitoring and a dynamic reset mode which allows for a reset pulse to be asserted in response to the voltage dropping below a preset level.

The TPS3803G15QDCKREP is also equipped with open drain RESET and WDI (watchdog input) pins which can be used to reset the system in case of an error condition. The RESET pin is pulled low and/or the WDI pin is asserted as soon as a voltage or temperature out of range event occurs. This allows the processor to reset and/or restart code with clean states so it can properly respond to the event. With all these features, the TPS3803G15QDCKREP can monitor up to five levels of different voltages and temperatures, allowing the processor to maintain the stability and reliability of the system.

The TPS3803G15QDCKREP is a highly reliable, accurate and easy to use supervisor IC that can save time and cost in smart portable applications. It is designed to provide high performance regulating and monitoring capability, thereby minimizing power losses, extending battery life and providing a more secure and reliable system. Using this device as a supervisor allows for better control of the power and performance of the processor, thus making it more efficient and secure for portable applications.

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