XC6108N22AGR-G

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PMIC - Supervisors represent an important product family in the power management market and XC6108N22AGR-G is an example of a top-of-the-line supervisor IC. ThisPMIC is designed with a wide range of superior features and combination of low drop out and safe reset technologies, enabling designers to meet diverse system needs.

Product Overview

The XC6108N22AGR-G PMIC is a monolithic integrated circuit for general-purpose reset and power supply supervisor applications. It monitors the power supply and generates reset signals when supply voltages go outside the safe operating range. It can detect multiple power supply voltages, providing a programmable threshold for each. The device comes with a wide operating voltage of 2.2V to 5.5V and an operating temperature range of -40°C to +85°C, making it suitable for a wide range of applications.

The XC6108N22AGR-G offers excellent reset accuracy and wide power supply voltage detection range as well as low dropout voltage, providing a high degree of system stability. The reset circuit has a low power-on delay time (typical 13ms) and quick response time. The reset circuit contained in the device provides sources of voltage detection and reset agents.

The device is available with a choice of three package types, the 0.65mm pitch ultra tiny XSON-10, the traditional SOT23-5, and the shrink dual flat no-lead (DFN) package. It is designed to have a very low standby current, allowing it to operate in environments with a wide temperature range and a high level of noise immunity. Other features of the XC6108N22AGR-G include an active-low open drain reset output, voltage detection for POR and PWR_ON, reset output on power failure, watchdog timer and window watchdog timer.

Application Fields

The XC6108N22AGR-G offers multiple advantages to designers. It is ideal for high-performance systems that require a high degree of signal accuracy and speed. It can be used in devices that require very low power operation, such as wearable devices and battery powered portable devices. The device is ideal for applications in the medical, automotive and industrial markets, as well as ITE, ATE and communication equipment. It can also be used in devices for measuring and logging.

The device is also suitable for a wide range of embedded system applications, such as: embedded microcontrollers, LCD panels and digital displays, graphic accelerators, peripheral buses, storage devices, motor controllers, transceivers, automotive systems, industrial electronics, medical equipment and satellite communications. The reset output can be used to reset different chips, such as PLDs, FPGAs, ASICs, microcontroller and application processors.

Working Principle

The XC6108N22AGR-G reset controller features a wide operating voltage range (2.2V to 5.5V) and an accuracy of ±2.5%. The device’s reset circuits have a fast response time, low power-on delay and shutoff times, and a low quiescent current, helping to ensure high system stability. The reset circuit also features a polarity-independent line opening reset, allowing for immediate power-on reset of applications.

The device’s POR and PWR_ON voltage detection circuits are used to detect power changes in the system, and monitor the status of different rails. If a voltage rises outside the range of the device-defined low/high thresholds, it will issue a reset pulse. The pulse can be configured to either reset the whole system, or selectively reset different parts of the system, depending on the configuration.

The XC6108N22AGR-G also includes a watchdog timer, which is used to reset the system if it becomes unresponsive. The watchdog timer can be configured to detect a pre-programmed reset timeout, and can be used to monitor memory errors and other system faults, or open drain outputs that indicate an error condition. The device also features a window watchdog timer, which can be used to detect multiple voltage levels, allowing for more accurate system monitoring.

Conclusion

The XC6108N22AGR-Greset supervisor IC from PMIC – Supervisors is a high-performance device that combines a range of superior features to meet diverse system needs. The device offers low power consumption, a much lower drop-out voltage than many other similar ICs and a wide operating voltage range of 2.2V to 5.5V, making it suitable for use in a wide range of applications. The device also offers excellent reset accuracy, wide power supply voltage detection range, low shutoff and power-on delay time, and a polarity-independent line opening reset, helping to ensure high system stability.

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