XC6121E422MR-G

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The XC6121E422MR-G is an on-chip power supply monitor with built-in voltage supervisor and average current mode control for MOSFETs. It is part of the XC6121E family of products, which are low-cost microcontroller-based solutions for low-current power supply applications. The XC6121E422MR-G is an ideal solution for voltage monitoring, overvoltage and undervoltage protection, and current regulation. It has an adjustable overvoltage protection trip point and can be used in both continuous and pulsed current mode control applications.

Applications of XC6121E422MR-G

The XC6121E422MR-G is suitable for a wide range of low-current applications such as computers and peripherals, telecommunications, industrial control, and consumer electronics. It is a great choice for power supply monitoring in industrial, automotive, and medical systems. It can be used in both synchronous and asynchronous buck and boost regulators, as well as flyback and forward converters, to provide accurate and reliable voltage and current feedback for control and protection. It is also ideal for high-voltage applications, such as automotive alternators, HVAC systems, and AC/DC rectifiers.

How Does the XC6121E422MR-G Work?

The XC6121E422MR-G is a microcontroller-based power supply monitor. It monitors the input voltage, current, and temperature, and provides a programmable overvoltage protection limit and adjustable current limit for pulse and continuous power supply control. It features an analog-to-digital converter (ADC) to convert analog voltages and currents into digital values, and a 16-bit-wide timer/counter to measure and calculate average current mode control. It also has a voltage supervisor to provide a reliable overvoltage/undervoltage detection and protection, while the integrated pulse-width modulation (PWM) module enables pulse width modulation and frequency modulation.

Conclusion

The XC6121E422MR-G is a versatile and cost-effective solution for low-current applications where accurate power supply monitoring and control are required. It is an ideal choice for voltage monitoring, overvoltage and undervoltage protection, and current regulation, and can be used in a wide range of applications such as computers and peripherals, telecommunications, industrial control, and consumer electronics.

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