XC6123F742MR-G

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PMIC - Supervisors are generally used to detect overvoltage and undervoltage conditions, and to ensure that power supplies and other voltage-controlled electronic systems are operating as intended. An example of a supervisor is the XC6123F742MR-G, a popular product among system manufacturers for many applications including factory and home automation, industrial and computer control, and digital-signage applications. This product is designed to provide a reliable and cost-effective voltage monitoring solution with a wide range of operating conditions.

The XC6123F742MR-G is a voltage supervisor providing monitoring and reset control of all supply voltages. It has a 0.2% accuracy over temperature, a wide operating temperature range, adjustable threshold, and is packaged in a small, 8-pin VDFN package. The supervisor offers a voltage range of 3.3V to 40V, and its adjustable reset thresholds can be programmed to operate over the same range. It is capable of driving an open-drain output up to 200mA.

The XC6123F742MR-G also offers several advantages over other supervisors including low power consumption and an integrated debounce filtering of the reset voltage. Its low power consumption helps reduce energy consumption and its debounce filtering helps to reduce EMI interference. In addition, it features an integrated watchdog timer and power-supply heating protection.

The primary function of the XC6123F742MR-G is to detect both undervoltage and overvoltage conditions, and then to act accordingly by driving an open-drain output such as an LED, MOSFET transistor, or power MOSFET. It also includes integrateddebouncer and watchdog timer, which are ideal for time-sensitive and safety-critical applications. When used with a suitable external resistive network, the supervisor can switch off external power supplies in the event of an overvoltage or undervoltage condition, making it ideal for use in applications such as factory automation, industrial control and digital signage.

In undervoltage conditions, the power reset output of the XC6123F742MR-G will be driven low, thus signaling an undervoltage condition for external circuitry. This same output can also be triggered by the watchdog timer or by an internal or external reset switch. The device also includes a reset inhibit pin that can be used to inhibit the power reset output and prevent a reset signal from being generated in the event of an overvoltage or undervoltage condition. The watchdog timer can also be configured such that it will assert a reset signal if a clock signal is not present or is not rolling over correctly within specified time periods.

Finally, the XC6123F742MR-G also includes internal thermal protection. This feature allows the device to turn off the output power when its internal temperature exceeds a certain level. This makes the Supervisor suitable for a wide range of applications, particularly those in applications such as industrial automation and power supply design where the system must not be damaged due to excessive temperatures.

In summary, the XC6123F742MR-G provides a cost-effective and reliable voltage supervisor that offers a wide range of operating conditions, adjustable reset thresholds, debouce filtering, integrated watchdog timer, and thermal protection. This product is ideal for a range of applications including factory automation, industrial control and digital signage.

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