S-80814CNPF-B9STFU

Series:	S-808xxC
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	1.4V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	4-SMD, Flat Leads
Supplier Device Package:	SNT-4A

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Introduction

Power Management Integrated Circuits (PMICs), like the S-80814CNPF-B9STFU model, are integrated circuits designed to perform the task of managing the power of a system. They are responsible for controlling the flow of power between various components, improving system performance and providing comprehensive power supply protection. PMICs are classified into several types, such as regulators, converters, supervisors, battery management and monitoring systems. The S-80814CNPF-B9STFU model is a PMIC classified as a supervisor.

Application Field

The S-80814CNPF-B9STFU is used in many applications and is most commonly used for system resetting, providing power on resetting, watchdog and voltage supervisor functionality.reset. Its primary application is in embedded controllers and microprocessors, where it monitors the power level, or voltage, of the system. It helps protect the system from power-related glitches and will reset the system in the event of power failure. The S-80814CNPF-B9STFU can also be used in a variety of other applications, such as motor controllers, storage systems and audio systems. In motor controllers, it can provide efficient power management and battery charging/discharging protection. In storage systems, it can protect storage data and prevent data loss due to power glitches. In audio systems, it can determine if the audio output is too loud or if the degradation occurs due to power fluctuations.

Working Principle

The S-80814CNPF-B9STFU is a supervisor PMIC that provides power protection and resetting capabilities to embedded controllers and microprocessors. It is a CMOS (Complementary Metal-Oxide Semiconductor) device. The supervisor uses a reference voltage such as 1.5V or 3.3V to monitor the power level of the system and to determine if a reset needs to be issued.The supervisor features a Watchdog timer that can be set to different time intervals such as 32ms, 128ms, 512ms and 1s. If the system fails to reset within the specified time interval, the supervisor will issue a system reset. Additionally, there is a RESET pin that can be used to manually reset the system.The supervisor has two operating modes, active and standby. In active mode, the supervisor constantly monitors the power supply voltage level and issues a reset if the voltage drops below the specified threshold voltage. In standby mode, the supervisor monitors the voltage for an interval of time and then switches to active mode.To conclude, the S-80814CNPF-B9STFU is a PMIC classified as a supervisor and is used to provide power protection and resetting capabilities to embedded controllers and microprocessors. It uses a reference voltage to monitor the power level of the system and can reset the system in the event of a power failure. Additionally, it can be used in a variety of applications and features a Watchdog timer and two operating modes.

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