MCP1316T-46LE/OTVAO

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PMIC - Supervisors are a type of integrated circuit (IC) used for devices and applications that must be monitored and controlled, such as medical and industrial devices. The MCP1316T-46LE/OTVAO is a supervisor IC specifically designed for those applications. In this article, we will discuss the application fields and working principle of the MCP1316T-46LE/OTVAO.

Applications of MCP1316T-46LE/OTVAO

The MCP1316T-46LE/OTVAO is an ultra-low power supervisor which is designed to monitor high voltage input applications. It is designed to allow a system to safely power up after a power loss or brownout. It is capable of monitoring a wide range of input voltages from 0.1V to 32V and is capable of power-saving with a sleep mode current draw as low as 0.1uA. It has in-built automatic reset, manual reset and power-on reset functions, making it ideal for all kinds of voltage monitoring and reset applications.

The MCP1316T-46LE/OTVAO is suitable for use in automotive, medical, industrial and military applications, such as engine control, power distribution and control, shut down, thermal protection and other applications requiring safe start-up or shut-down or prevention of over/under voltage conditions.

Working Principle

The working principle of the MCP1316T-46LE/OTVAO is relatively simple. The IC has an internal reference voltage, typically 1.25V, which is used to compare the external voltage. When the external voltage is higher than the reference voltage, the comparator within the IC triggers a reset to occur and the device is safely powered up.

In addition to a comparison function, the IC also has an inbuilt hysteresis which is used for noise immunity. This hysteresis provides a difference between the under voltage and the over voltage of the device. When the input voltage drops below the over voltage threshold, a high output is generated. When the voltage rises above the under voltage threshold, a low output is generated. This ensures that the outputs remain stable during rapid voltage changes or spurious voltages.

Finally, the MCP1316T-46LE/OTVAO also has a watchdog timer which helps to prevent the system from running if the external voltage is not stable. The watchdog timer will reset the system if the external voltage is not stable for a set period of time. This ensures that the system is not left in an unknown state due to an unstable voltage.

Conclusion

The MCP1316T-46LE/OTVAO is a highly reliable and low-power supervisor IC which is suitable for a wide range of applications. It can be used for power-on reset, manual reset, power-saving and voltage monitoring applications. Its hysteresis gives it noise immunity and its watchdog timer ensures that the system is left in a known state in the event of an unstable voltage.

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