XC6123E637MR-G

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Power management integrated circuits (PMICs) are specialized components tailored to enable efficient delivery, conversion, and usage of power in electronic devices. PMICs are integrated circuits with two primary functions, the first being that of current regulation and the second being that of voltage regulation. Supervisors, in particular, refer to the voltage regulation side. By regulating the system’s power usage, to ensure compliance with industry reliability and efficiency requirements, supervisors are critical components in any circuit.

In this application field, XC6123E637MR-G is a Supervisors component from Mitsubishi, which is a combination of a voltage monitor and a reset circuit. This component brings together the functions of a power supply monitor, a reset signal driver, a watchdog timer, and an auto-standby function in a single package. This component is designed for microcontrollers and digital signal processing (DSP) applications and is intended to detect various abnormal conditions, such as overcurrent and undervoltage.

The XC6123E637MR-G component has a wide range of applications. It is used in battery operated devices, servers and personal computers, and space-limited electronic devices. It can also be used as a read/write controller that generates reset signals in motorized mechanisms and in peripheral controlling circuits. The component is highly reliable and efficient due to its adjustable ramp current and reset signal delay. Additionally, tests performed by Mitsubishi have shown this component to be an acceptable and reliable solution for high-end server applications.

The working principle of the XC6123E637MR-G component is based on the monitoring of a pre-defined voltage level. This component contains a voltage monitor (detection of undervoltage) and a reset circuit (detection of overvoltage). When the voltage goes below the pre-defined voltage level, the voltage monitor trips and the component asserts a reset signal to the monitored system. When the output voltage of the monitored system goes above the pre-defined level, the reset circuit assert a reset signal as well. The reset signal is generated by the reset circuit and then passed through the voltage monitor. The reset signal is active when either circuit detects an overvoltage or an undervoltage condition.

The features of the XC6123E637MR-G component include a heavy load current capacity of 50mA, an adjustable reset voltage range between 5V and 12V, an adjustable reset signal delay time of up to 7msec, and an adjustable ramp current of 0.6A/ms. The component also has a built-in voltage monitor and low current consumption of less than 1µA.

The XC6123E637MR-G component from Mitsubishi provides a simple and effective solution for providing voltage regulation for microcontrollers and DSP applications. With adjustable parameters for both overvoltage and undervoltage detection, the component is highly reliable, efficient, and cost-effective. It is capable of providing protection against power failure, short circuit, and over-current conditions, and is an ideal supervisor component for a wide range of applications.

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