S-80147BLPF-JE8TFG

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Power Management Integrated Circuit (PMIC) devices are semiconductors that are used in a wide variety of applications. The most common types of PMICs are DC-DC converters, linear regulators, and supervisors. PMIC supervisors are specialized devices that monitor power supply conditions, monitor input levels, and protect against excessive power draw or short-circuiting. They can be used to protect sensitive data and circuitry from over-powering and provide system reset in more extreme cases. The S-80147BLPF-JE8TFG is a popular PMIC supervisor from Numonyx. This article will provide an overview of its application field and workings.

Application Field

The S-80147BLPF-JE8TFG is designed for use in a wide range of applications requiring power management. These applications typically involve controlling power input or output, monitoring voltage, and/or preventing excessive current or voltage from damaging sensitive electronic components. Examples include portable electronic devices, specialty industrial equipment, medical instrumentation, automotive, and aviation systems. Additionally, the supervisor also offers protection from power surges, over-temperature conditions, and other potential power risks.

Working Principle

The supervisor operates with two separate power domains. The first, dedicated to the input power rails, is responsible for conditioning incoming power and converting it to a form required by the system. The second, connected to the output power rails, monitors the system power levels, resets the system when conditions exceed predetermined thresholds, and informs the system when a fault condition has occurred. The supervisor’s internal circuitry continually reads the input voltage and current levels and will shut down the system if either exceeds the defined threshold.

The supervisor also contains additional circuitry for over-temperature, over-charge, and under-voltage protection. In the event of a fault, the supervisor will alert the system and initiate a reset. The reset signal is passed from the supervisor to other components such as a microcontroller or microprocessor so that it can take corrective action. The supervisor will also automatically shut down the system if it is not restored within a certain amount of time.

In addition to monitoring the system power levels and providing reset functions, the S-80147BLPF-JE8TFG also contains circuitry that can detect when the voltage supplied to the system drops below a certain threshold. This is an important feature for many applications as it helps to prevent data loss in the event of an unexpected power outage. The supervisor can also be configured to maintain a constant voltage level in order to prevent system instability or damage.

Conclusion

The S-80147BLPF-JE8TFG is a popular PMIC supervisor that is well-suited for use in a wide range of applications requiring power management. This supervisor is designed to monitor and protect against voltage, current, and temperature issues, as well as provide system reset and maintain a constant voltage level when needed. Additionally, the supervisor\'s programmable reset time, adjustable reset thresholds, and multiple fault monitoring capabilities make it a reliable and versatile component for various power-management applications.

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