XC6121F619ER-G

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PMIC - Supervisors are a class of integrated circuits (ICs) that are widely used in embedded systems. The XC6121F619ER-G is one of the most popular such products on the market today. The purpose of this article is to provide an overview of the XC6121F619ER-G and discuss its application field and working principle.

The XC6121F619ER-G is a type of voltage supervisor IC from Mitsubishi, featuring a single-channel adjustable voltage supervisor with a built-in delay timer. This device can be used to monitor voltage levels and detect over-voltage/under-voltage conditions in an embedded system, then either act on them or notify the system accordingly. The IC has a wide operating range of 1.6V to 5.5V and an operating temperature range of -40°C to +125°C.

The device features an adjustable-set voltage with a voltage detection range of 1.6V to 5.5V. It also has a built-in delay timer that can be set to a range of 1ms to 32ms before activation, depending on the application. The XC6121F619ER-G can be used to detect when the supply voltage of an embedded system has dropped below or risen above the set value, then trigger an appropriate response from the system. The IC also offers protection from contact/power/ground noise, with a built-in hysterisis counter that helps reduce false shutoffs from brief voltage spikes.

The XC6121F619ER-G is a basic voltage supervisor IC, but its uses can extend beyond simply detecting rising or falling voltage levels. It is an ideal choice for various applications where it is necessary to keep the system operating within a certain predefined voltage range. This could include power management systems, motor controllers, and voltage control circuits in applications involving AC or DC motors.

In terms of its working principle, the XC6121F619ER-G monitors the system’s supply voltage and compares it to the pre-set voltage level. If the voltage drops below or rises above the preset level, the IC triggers a response from the system. This response could be a shutoff or an alert, depending on the system’s configuration. It is important to note that the IC can detect voltage changes of as little as 50mV, so it is capable of providing high-accuracy voltage monitoring.

In summary, the XC6121F619ER-G is a voltage supervisor IC from Mitsubishi, designed to detect when the supply voltage of an embedded system has dropped below or risen above a pre-set level. The device features an adjustable-set voltage with a voltage detection range of 1.6V to 5.5V, as well as a built-in delay timer that can be set to a range of 1ms to 32ms before activation. The XC6121F619ER-G can be used for various applications where it is necessary to keep the system operating within a certain voltage range, such as power management systems, motor controllers, and voltage control circuits.

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