XC6108N28CGR-G

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Power management integrated circuit (PMIC) is an important device in the field of electronics, and supervisors is one of them. XC6108N28CGR-G is a low voltage supervisor with watchdog timer, using high accuracy low quiescent current step-down CMOS DC/DC converter. As an easy to use chip, it often used in industrial control, telecommunications, household appliances, and other related fields.

XC6108N28CGR-G is a single voltage monitoring chip, that means it can be used as a supervisory circuit for microprocessor and memory systems. The device is offered in NSC (National Semiconductor Corporation) XSense Microprocessor Voltage Supervisory Series and has a fixed voltage threshold of 2.8V. The XC6108N28CGR-G voltage monitor also comes with a timer circuit that provides a watchdog output. The operation of the device is straightforward as the voltage monitoring and watchdog timer functions only require two of its pins.

XC6108N28CGR-G can be connected to the input voltage terminal VIN and then the device will output stable voltage of about 2.9V on its output voltage terminal, VOUT. Once the voltage on VIN drops below the fixed threshold of 2.8V, the device will generate a reset signal by turning off the output voltage of VOUT for a predetermined period of time (referred to as the reset-drive period). If VIN does not drop below 2.8V, the chip will reset itself and reinitialize the output voltage. The device also includes a watchdog timer circuit: when the watchdog timer is activated, the device will periodically reset itself irrespective of the voltage at VIN.

The reset delay time of the XC6108N28CGR-G device is adjustable between 0.5 s to 8 s and the watchdog period is adjustable between 0.5 s and 8 s. When the overload occurs at the input voltage terminal and the voltage on the VIN drops below 2.8V, the device generates a reset and reinitialization of the system output voltage for a predetermined period of time. This reset is generated for about 0.5 seconds, and during this period, the output voltage is turned off. After the reset delay time is completed, the output voltage will come back to its original state. Also, XC6108N28CGR-G has excellent over temperature protection and can operate in temperatures up to 125 °C.

In addition to voltage monitoring and watchdog timer, XC6108N28CGR-G also has some other features. For example, it has a low quiescent current consumption and low shutdown current consumption. The chip also has a wide input voltage range from 2.3V to 6V, meaning it can be used in a wide variety of systems. It also has wide temperature range capability, which makes it suitable for various applications; on top of that, XC6108N28CGR-G is equipped with an internal reset delay time timer, which can be adjusted via external resistor.

XC6108N28CGR-G is suitable for a variety of applications. It can be used in industrial control, telecommunications, household appliances, PCMCIA cards, embedded systems, and other applications. The chip also offers an integrated power management solution, from high-efficiency power conversion to voltage monitoring, requiring minimum board space and no external components. Lastly, the device also offers a watchdog timer output for detecting when the power supply fails, making it a great choice for low-power applications.

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