S-1009N22I-M5T1U

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Power Management Integrated Circuits (PMICs) are essential components in a wide range of electronic applications. For mobile, computing and industrial applications, PMICs can be used to provide power regulation and distribution, voltage regulation, and power sequencing. Power management integrated circuits are used to manage the power consumption of electronic components and systems, which can result in improved efficiency, reliability, and battery life. One type of PMIC is a Supervisor, which is a low-power integrated circuit that monitors digital signals and output devices to ensure they are operating safely and within their specified tolerances.The S-1009N22I-M5T1U Supervisory IC is a pin-compatible, drop-in replacement for the S-1000N22I-M5T1U, and is designed to monitor power sources, current levels, supply voltages, system operating temperature and various other conditions. The S-1009N22I-M5T1U has a low quiescent current and offers an extensive range of features for advanced system monitoring requirements.The S-1009N22I-M5T1U is designed for use in industrial and commercial applications, such as portable computers, automotive infotainment systems, server applications and industrial equipment. The integrated circuit is capable of providing protection against a wide range of power supply issues, including over voltage, under voltage, over current, over temperature and short circuit conditions. Additionally, the circuit can detect the presence of a load, provide power-on reset functionality, manage power supply sequencing and provide status flags.The S-1009N22I-M5T1U has a wide input voltage range of 1.7V to 5.5V and is fully rated for temperatures ranging between -25℃ to +125℃ for enhanced reliability. Furthermore, the device has built-in slew rate moderation to limit inrush current during power up and can provide a power-on reset delay of up to 500ms.The S-1009N22I-M5T1U Supervisor employs a Negative Voltage Supervision (NVS) architecture which monitors the power line voltage accurately and reliably. The integrated circuit also features a Power-On Reset (POR) that asserts a reset signal when the power supply voltage drops below a predetermined threshold. The Power-On Reset circuitry is designed to detect no-load conditions, ensuring improved system stability and performance.The S-1009N22I-M5T1U includes an integrated Watchdog Timer (WDT) which can be used to continuously monitor the system and detect crashes and malfunctions. The Watchdog Timer can be set to trigger a reset after a programmable delay. The device can also be used to monitor and compare multiple voltages and digital levels, providing an indication when relevant thresholds are exceeded.The S-1009N22I-M5T1U also includes an integrated Sink-Output Buffer (SOF) which provides an active low open-drain pulse output with adjustable duty cycle. The S-1009N22I-M5T1U features various protection options to prevent overcurrent and overtemperature events, including current limit and thermal protection. The device is also capable of providing a sense-input for detecting external MOSFET overcurrent events that may occur in a system.The S-1009N22I-M5T1U\'s monitoring features are configurable via multiple programmable pins and a simple on-chip clock monitor can be used to monitor system clock frequencies. The integrated circuit also features a 1.8V internal voltage regulator, which supplies additional supply voltage to the IC. The integrated regulator can also be used to generate additional power supplies, or to power external components.In summary, the S-1009N22I-M5T1U is a low-power, pin-compatible drop-in replacement supervisor IC designed for use in industrial and commercial applications. Its feature set includes negative voltage supervision, power-on reset, integrated watchdog timer and a sink-output buffer with adjustable duty cycle, as well as various monitoring and protection functions. The S-1009N22I-M5T1U is a highly integrated, cost-effective solution for monitoring power supplies, current levels, supply voltages, system operating temperatures, and other conditions for enhanced system reliability and performance.

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