XC6121C240ER-G

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PMIC - Supervisors

XC6121C240ER-G is a robust, low-power and high-accuracy supervisor for modern electronic systems. This product combines a supply monitoring (under-voltage/over-voltage detect) circuit, a short circuit monitor circuit, a reset signal generator circuit, and an OR gate circuit in a single package, making it a smart solution for many applications.

Application

The XC6121C240ER-G is applied in a wide range of situations including:

• Battery powered devices
• Industrial systems
• Automotive systems
• Telecom systems
• Audio and video system (AV systems)
• Test and measurement system

Its broad application range makes it ideal for a variety of applications, from powering and monitoring batteries in mobile devices, to providing reset signal in industrial systems.

Working Principle

The XC6121C240ER-G is an integrated circuit (IC) composed of multiple operational components. It has an adjustable reference voltage setting that operates within a power supply range of typically 1.2 to 5.5V. It detects the system voltage level and outputs a low logic level reset signal upon being detected as improper (over-voltage or under-voltage). It also detects short-circuits in the power supply lines and provides over-voltage or under-voltage protection.

It also has an externally adjustable reset generator that can generate a reset pulseWidth from 0.1 ms to 255 ms. The output of the supervisor circuit is an OR gate circuit that has an independent input for each of the monitored conditions, allowing for flexible output responses. The OR gate is driven by different reset signals so that reset is generated when any one of the monitored conditions occur.

Finally its power saving capability ensures that no more energy is consumed than necessary in both its active and sleep mode, thus ensuring efficient power generation.

Conclusion

The XC6121C240ER-G is a robust, low-power and high-accuracy supervisor for modern electronic systems. It has many features, such as adjustable reference voltage setting, power supply lines protection, adjustable reset pulseWidth and power saving capability. Due to its broad application range and its flexible output responses, it makes an ideal solution for a variety of applications in industries from mobile to automotive.

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