S-80927CNNB-G8XT2G

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Power Management Integrated Circuit (PMIC) Supervisors are necessary components in any power system as they provide monitoring, supervising, and sequencing control by identifying a malfunction and preventing catastrophic events. The S-80927CNNB-G8XT2G is a PMIC supervisor designed and manufactured by Silicon Labs. It is an economical option with a wide range of applications, such as controlling power management systems, preventing damage to sensitive system components, and providing redundant power system reliability. This article will discuss the application fields and working principle of the S-80927CNNB-G8XT2G PMIC supervisor.

Application Fields

The S-80927CNNB-G8XT2G supervisor can be used in a wide range of applications. In general, it is used in power management systems to provide overvoltage protection, undervoltage protection, and power-on reset. It can also be used for various other applications, such as providing watchdog timer support, hardware monitoring, and hardware monitoring for respiratory apparatus. In addition, it is compatible with 2.7V to 5.5V inputs and its low-noise output makes it ideal for use in telecommunication and medical equipment.

Furthermore, the supervisor is capable of providing diagnostic feedback to allow for failure detection and fault logging. Its integrated 4Kbit ROM and 8Kbit RAM provide the flexibility to customize the supervisor. Its wake-up and wake-from-sleep functions are also ideal for low-power designs. Finally, the supervisor is designed to have a high degree of integration, making it economical and reducing board space required.

Working Principle

The S-80927CNNB-G8XT2G supervisor is designed to provide an advanced, reliable power management solution. The supervisor integrates a voltage reference, an undervoltage (UV) comparator, an overvoltage (OV) comparator, and a 3-outputs reset device into a single die. The UV and OV comparators monitor the voltage levels from 2.7V to 5.5V, and provide a reset signal when the voltage falls outside of this range. This reset signal is then used to reset the system.

The supervisor also features an internal programmable delay circuit, which is used to set the supervisor’s timeout period. This delay circuit can be programmed to generate a reset for any duration from 10 ms to 8.2 s. Finally, the supervisor is capable of logging and reporting faults and errors, providing the ability to determine the cause of a system failure. This information can then be used to prevent future errors and malfunctions.

Conclusion

The S-80927CNNB-G8XT2G PMIC supervisor is a low-cost, space-saving solution for power management applications. It provides advanced features such as overvoltage and undervoltage protection, watchdog timer support, fault logging, and programmable delay. Furthermore, its wide range of compatible inputs and its small size make it an attractive option for a variety of applications.

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