XC6122D538ER-G

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The XC6122D538ER-G is an integrated circuits IC or Power Management IC (PMIC) for systems requiring system monitoring and voltage supervision that is manufactured by ROHM Semiconductors. It is part of the Supervisors category of PMICs which includes various devices that are tailored to specific applications, such as overvoltage protection and detection, overcurrent protection, circuit power on/off, fan speed control, and verification of the operating voltage of devices such as circuits and microprocessors.

The XC6122D538ER-G is designed to provide voltage supervision and system monitoring for form factors with tight board space requirements, such as point of load (POL) and buck converters. It features an integrate booster for generating a reference voltage and an on-chip oscillator with a wide frequency range for generating an internal clock signal. It also features an overcurrent limiter for protecting against surge currents and an overvoltage detector for detecting out-of-range voltage levels. The device can be used to monitor supply voltages of up to 24V and provide output protection. Additionally, it is able to maintain a constant voltage output while accommodating varying load conditions.

The XC6122D538ER-G’s working principle is based on the active-high trigger pin that works as an input signal. When the voltage at the trigger pin rises above the threshold, the device will start its operation. The overvoltage protection circuit monitors the voltage and provides protection when it exceeds the preset voltage level. The overcurrent protection circuit is set to a certain level, and it shuts down the output if an overload occurs. The booster circuit generates a reference voltage, which can be compared with the input voltage to set the current limit value and the output voltage. The oscillator generates a clock signal and generates a timing signal for the overvoltage and overload detection. Finally, the output driver circuit amplifies the output signal and provides it to the load.

The XC6122D538ER-G can be used in a variety of applications, including telephone, computer peripheral, and data communication systems, where it can be used for voltage detection, current limiting, and output protection. It can also be used for monitoring of power supply and battery voltage. The device is ideal for applications with tight board space requirements, making it an attractive option for designers looking to save space and lower costs.

In summary, the XC6122D538ER-G is an integrated voltage supervision and system monitoring device that is typically used in point of load (POL) and buck converters. It features an integrated booster, overcurrent limiter, overvoltage detector, and an on-chip oscillator. The device can be used to monitor supply voltages of up to 24V and provide output protection, while its working principle is based on an active-high trigger pin that works as an input signal. The XC6122D538ER-G is suitable for applications with tight board space requirements, such as telephone, computer peripheral, and data communication systems, where it can be used for voltage detection, current limiting, and output protection.

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