S-80820CLPF-B6GTFU

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Power management integrated circuits, or PMICs, are essential components in applications looking to optimize the performance of their electrical systems. Devices like the S-80820CLPF-B6GTFU – Supervisors- PMIC, in particular, offer several benefits that greatly facilitate the development of sophisticated and reliable modern applications. This article will discuss S-80820CLPF-B6GTFU-Supervisors PMIC in terms of application fields and its working principle.

Application field

The S-80820CLPF-B6GTFU is a Supervisors PMIC that provides five independent voltage inputs for monitoring and protection of digital and analog power supplies. It includes a lower under-voltage threshold and a higher over-voltage threshold for each input, offering advanced protection for critical data loss and other unwanted situations. The S-80820CLPF-B6GTFU is suitable for applications with power requirements from 3V to 20V and current requirements from 1 mA to 250 mA, making it ideal for use in medical, industrial, automotive and other applications that require tight voltage and current control.

The device also features advanced control options such as adjustable reset thresholds, delayed reset and latching reset. Its integrated Power-On Reset Generator can be tailored to the application’s voltage range, current requirements and system start-up speed. Furthermore, the S-80820CLPF-B6GTFU provides an optional temperature monitor, providing the user with additional system monitoring capabilities.

Working principle

The S-80820CLPF-B6GTFU works with a bandgap voltage reference circuit contained in its built-in microcontroller. The circuit generates a stable reference voltage that is used to compare against the voltage of the power supply input. When the reference voltage exceeds the input voltage, a reset signal is sent to the microcontroller and the microcontroller then powers down the system.

The S-80820CLPF-B6GTFU features an adjustable trip level for the reset threshold, allowing it to be tailored to the specific application requirements. It includes a programmable delay time between reset initiation and reset output, which provides additional protection against sudden power surges. It also provides adjustable latching reset mode, which further enhances system protection and allows the user to manually reset the system with a single button press.

The device also includes two open-drain outputs, which can be used to alert users of any irregularities in the power supplies. Furthermore, the S-80820CLPF-B6GTFU can detect and log many different types of faults, including under-voltage, over-voltage and power-failure. This data can be used for system troubleshooting, failure analysis, and other operational tasks.

In addition, the S-80820CLPF-B6GTFU is designed with a 70 µA quiescent current, making it a highly power efficient device. It is housed in a small 5-pin SOT-23 package, making it ideal for mobile applications.

Conclusion

The S-80820CLPF-B6GTFU Supervisors PMIC is a powerful and highly efficient device that provides superior protection to digital and analog power supplies in a range of applications. Its adjustable reset threshold, delayed reset and latching reset modes allow it to be tailored to the specific requirements of an application. Its low quiescent current and small form factor make it an ideal choice for mobile applications, and its optional temperature monitoring feature ensures reliable system performance. Together, these features make the S-80820CLPF-B6GTFU an ideal choice for powering sophisticated, reliable and efficient modern applications.

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