NCP304HSQ22T1G

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The NCP304HSQ22T1G is a monolithic CMOS voltage supervisor with an advanced reset signal generator, and is categorized as a PMIC (Power Management Integrated Circuit) - Supervisors. It works by using an open-drain signal output (active low reset signal) to reset a system whenever an input power supply falls below preset thresholds. In addition, its watchdog circuit detects microprocessor lockup and also generates a signal (active low reset signal) to reset the system.

The NCP304HSQ22T1G is a series of reset signal generators that offer a wide range of voltage thresholds and timeout period to provide optimal reset protection for a variety of systems. The device includes an adjustable threshold detector that monitors the voltage of an external power supply, and an active low open-drain output (RESET) to reset the system when the detected voltage goes below the pre-set level. It also includes a watchdog circuit to detect the status of the system microprocessor, and the watchdog circuit has a fixed timeout period that can be adjusted in 20msec intervals over a range of approximately 700msec.

The NCP304HSQ22T1G also offers a power-on reset feature that generates a low reset signal as the system powers up to ensure that the system starts in a known state. This feature can be used to simplify system design and minimize the need for additional reset circuitry. The device’s threshold voltage range and reset timeout period can be adjusted using a simple pin-strapping technique.

The NCP304HSQ22T1G is ideal for use in wide range of electronic systems including process controllers, entertainment systems, internet of things (IoT) devices and robotics. Its wide input voltage range and adjustable threshold and reset circuits make it suitable for use in applications from consumer electronics to industrial and automotive systems. Its low operating current and wide operating temperature range also make it an excellent choice for battery operated systems. The device also provides a high active low reset output drive that is capable of sinking up to 40mA, making it suitable for powering other peripherals such as LEDs, relay drivers and displays.

In summary, the NCP304HSQ22T1G is an ideal choice for reset and power-on reset circuits in a broad range of electronic systems. Its adjustable threshold, wide input voltage range, low operating current, wide temperature range and high output drive capability make it suitable for use in demanding applications from industrial systems to consumer electronics.

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