XC6124D325MR-G

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XC6124D series of voltage monitoring ICs are a range of high-precision voltage supervisors, developed by Supertex Inc., which are widely used in distributed systems, as they are capable of providing accurate, adjustable undervoltage or overvoltage protection. The XC6124D325MR-G is one of the series, specifically designed for embedded system functions. It is a long-term propagation delay and three-pin supervisor IC that offers multiple protection functions and a low current consumption shutdown mode. It is an adaptive device that simultaneously monitors up to three power-supply voltage rails at once. The device also provides a dual-output reset pin, where an output reset pin is generated in response to either an undervoltage- or overvoltage-detection event to keep the system running safely. Additionally, the XC6124D325MR-G comes with an enhanced error flag feature which sends out a pulse output to indicate over- or undervoltage protection was activated and at what threshold the protection mode was set.

The XC6124D325MR-G is a versatile device, which is used for a variety of applications, such as automobiles, hand-held devices, DVRs, PLCs, and industrial MCUs. It is suitable for applications where the input voltage needs to be monitored in order to prevent the system from crashing. It is also used to provide level shifting functions, supply voltage sequencing and sequencing control. Additionally, some applications employ the XC6124D325MR-G as a power-on reset device that helps restore the microprocessor to its reset state.

In terms of working principle, the XC6124D325MR-G is essentially a voltage-sensing IC that can detect when the input voltage drift away from the set thresholds. When the input voltage moves away from the set thresholds, the device will generate and release the reset pin (RESET). As RESET is activated, the system will be restored to its initial start-up state. Another feature of the XC6124D325MR-G is its power-down mode. In this mode, the XC6124D325MR-G will reduce its current consumption to about 5µA, which is consummately lower than that of other voltage supervisors.

The XC6124D325MR-G has the standard over- and undervoltage-detection thresholds (UVLO & UVHI) for the protection of embedded systems. Its typical UVLO detection is at 2.5V, and its UVHI detection is at 2.8V. The hysteresis manager feature of the XC6124D325MR-G also provides additional security to the embedded system. This feature helps ensure that the system is always protected even in cases where the input voltage cycles within the hysteresis window of the XC6124D325MR-G.

The XC6124D325MR-G is a powerful voltage monitoring IC that is capable of providing reliable under- and overvoltage protection for embedded systems. Its power-down mode improves energy efficiency, while its hysteresis manager ensures a higher level of protection for the system. It is a highly versatile device that can be used for level shifting, power sequencing, and supply voltage sequencing, among other applications.

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