XC6124A516MR-G

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PMIC - Supervisors is a sub-category of effective power management integrated circuits (PMIC) whose primary goal is to extend the life of a product by mitigating breakdowns caused by inadequate electrical navigation or mismanagement of current. The XC6124A516MR-G is a part of this supervisor category and its application field and working principle will be covered in this article.

Application Field for XC6124A516MR-G

The XC6124A516MR-G Supervisory circuit is used to monitor the operational conditions of a battery-backed system. Its primary role is to monitor the supply voltage and detect any under-voltage conditions and issue a reset signal to the microcontroller as soon as it occurs. This helps in ensuring that the microcontroller stays in a safe state and the supply voltage does not dip below a pre-determined threshold. As a result, the microcontroller is protected from any potential data corruption or damage caused by under-voltage.

The XC6124A516MR-G can be used in a wide range of applications, including portable electronic devices powered by rechargeable batteries, such as medical devices, automotive systems, smart phones, and other consumer electronics. Additionally, the circuit can be used for applications requiring non-volatile memory that requires energy for memory retention. This includes servers, workstations, and mission-critical applications.

Working Principle

The working principle of the XC6124A516MR-G is quite straightforward. When voltage is supplied to the PMIC, the supervisor starts to monitor the supply voltage. If the voltage falls below a certain pre-determined level, the circuit will issue a reset signal. The signal will be sent to the microcontroller and the microcontroller will shut down. This, in turn, will protect the system from further damage due to low voltage.

The XC6124A516MR-G has a built-in voltage source which acts as a reference point for the supervisor. This reference point is pre-programmed into the device and can be adjusted as per the application requirements. The supervisor periodically samples the supplied voltage using a comparator and compare it against the reference voltage. If the supplied voltage is lower than the reference voltage, the supervisor will issue a reset signal and shut down the microcontroller.

Apart from issuing a reset signal, the XC6124A516MR-G also provides other useful functions. For instance, the device can be programmed to monitor several different supply voltages and issue separate reset signals for each. It also has an internal temperature sensor which can detect any excessive temperature and issue a reset signal if necessary. This is useful in applications requiring exceptional temperature safety, such as consumer electronics and medical devices.

The XC6124A516MR-G also provides an on-chip reset voltage generator. This feature allows for the user to set a pre-determined reset voltage which can be activated at any time. This is particularly useful in applications such as embedded systems, where a manual reset may be required from time to time.

Finally, the XC6124A516MR-G also provides for a battery boost voltage. This voltage is used to boost the supply voltage to a acceptable level as soon as the voltage falls below the pre-determined threshold. This is especially useful if the system is powered by a battery, as it can help prevent any potential damage due to an under-voltage condition.

Conclusion

The XC6124A516MR-G is a supervisory circuit which can greatly extend the life of a product by ensuring that the microcontroller remains in a safe state at all times. The circuit can be used in a wide range of applications, including portable electronic devices powered by rechargeable batteries, such as medical devices, automotive systems, smart phones, and other consumer electronics. Additionally, the circuit also provides several useful features, such as an internal temperature sensor, an on-chip reset voltage generator, and a battery boost voltage.

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