MIC803-41D2VM3-TR

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PMIC (Power Management IC) Supervisors are an integral part of any electronic system. They help ensure the critical components within the system are properly regulated and working correctly. The MIC803-41D2VM3-TR is an example of a PMIC supervisor commonly used in consumer, industrial, and automotive applications. In this article, we will discuss the application field and working principle of the MIC803-41D2VM3-TR.

Application Field of the MIC803-41D2VM3-TR

The MIC803-41D2VM3-TR is a low-power, 5.0V to 25.0V input, or dual-supply supervisor IC with an adjustable, 4.3V to 5.1V output voltage. It has overvoltage protection and an integrated reset signal to provide reliable power management. The MIC803-41D2VM3-TR is suitable for a variety of consumer, industrial, and automotive applications, such as motor control systems, programmable logic controllers (PLCs), and embedded systems.

In consumer applications, the MIC803-41D2VM3-TR can be used to regulate power to key components in consumer devices such as set-top boxes and gaming systems. It is also used in automotive applications for regulating power to sensors, actuators, and other onboard components. In industrial applications, the MIC803-41D2VM3-TR is often used to regulate power to PLCs, motor control systems, and other industrial electronics.

Working Principle of the MIC803-41D2VM3-TR

The working principle of the MIC803-41D2VM3-TR is based on the use of a constant voltage regulator (CVR). This is a voltage regulating device that maintains a constant output voltage regardless of the input voltage or load variation. The MIC803-41D2VM3-TR uses a CVR to provide a regulated output voltage of 4.3V to 5.1V. It also contains a dual-supply supply voltage supervisor with an adjustable threshold voltage.

When the input voltage drops below the reset threshold voltage, the MIC803-41D2VM3-TR sends a reset signal to the system. This reset signal forces a power-on reset, which in turn causes the system to restart and bring it back to operational status. The MIC803-41D2VM3-TR also features an overvoltage protection circuit that protects the circuit from overvoltage conditions. The MIC803-41D2VM3-TR is capable of surviving up to 15V input voltage without damage.

Conclusion

The MIC803-41D2VM3-TR is a PMIC supervisor commonly used in various consumer, industrial, and automotive applications. It uses a CVR to provide a stable output voltage and contains a dual-supply supply voltage supervisor with an adjustable threshold voltage. The MIC803-41D2VM3-TR also features an overvoltage protection circuit and a reset signal to help ensure system reliability and uptime.

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