S-80809CNPF-B9NTFG

Series:	S-808xxC
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	0.9V
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

PMICs, or Power Management Integrated Circuits, are frequently used to regulate the power supply to digital systems, such as computer systems, for example. One of the most common types of PMICs used for this purpose is known as Supervisors. The S-80809CNPF-B9NTFG is a type of Supervisors PMIC from STMicroelectronics. This article will provide an overview of the application field and working principle of this PMIC, as well as discussing some of its features and capabilities.

Application Field and Working Principle of S-80809CNPF-B9NTFG

The S-80809CNPF-B9NTFG is a member of STMicroelectronics\' PowerFlex family. This family of PMICs is specifically designed to provide ultra-low-power solutions for mobile and portable products such as phones, tablets, and other electrical products. The S-80809CNPF-B9NTFG is a fully integrated supervisor which provides voltage monitoring, reset generation, power sequence control, and line termination supervisor functions. More specifically, S-80809CNPF-B9NTFG provides power-on reset, thermal shutdown, and brownout reset protection in order to ensure system stability and reliability. The S-80809CNF-B9NTFG can be used to monitor power supply voltages of up to five different supply lines. It features a wide input range of 0.7V to 13.2V and adjustable reset delay time. The reset signal is selectable between active-high and active-low and can be used to initiate a system reset upon power-on, thermal shutdown, or brownout events. The S-80809CNF-B9NTFG works in conjunction with a built-in voltage reference and a comparator circuit which is used to monitor the input voltage. When the input voltage falls below the voltage threshold of the supplied voltage reference, the comparator will send a signal to the controller indicating an event has occurred. Upon receiving this signal, the controller will trigger the system reset and, as a result, the system will be reset to its original state.

Features of S-80809CNPF-B9NTFG

The S-80809CNF-B9NTFG has several features which make it an ideal Supervisors PMIC. These features include:

• Small package size of 2mm x 2mm
• Wide input range of 0.7V to 13.2V
• Programmable reset thresholds
• Reset delay time adjustable to up to 100 ms
• Selectable active-high or active-low reset signal
• Thermal shutdown and brownout reset protection
• Multiple power sequence control options
• Low power consumption of 5µA
• ESD protection of >8kV

The S-80809CNPF-B9NTFG is designed to be an ultra-low-power solution with a minimal power consumption of only 5µA. It also features an advanced line termination supervisor which provides an active low output during power sequencing events. Additionally, the PMIC is highly resistant to electrostatic discharge, offering an ESD rating of >8kV, making it suitable for environments with increased risk of ESD damage.

Conclusion

The S-80809CNPF-B9NTFG is an advanced, low-power transmission line Supervisors PMIC from STMicroelectronics, specifically designed for mobile and portable applications. It offers multiple features which include a wide input range, programmable reset thresholds, adjustable reset delay time, selectable active-high/low reset, thermal shutdown and brownout protection, power sequence control and an ESD rating of >8kV. With these features it is ideal for low-power products such as phones, tablets, and other electrical products.

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