S-80945CNNB-G9FT2G

Series:	S-809xxC
Packaging:	Tape & Reel (TR)
Part Status:	Not For New Designs
Type:	Voltage Detector
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	20 ms Minimum
Voltage - Threshold:	4.5V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-82A, SOT-343
Supplier Device Package:	SC-82AB

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Introduction

Power Management Integrated Circuits (PMICs) are widely used in portable and stationary applications to provide reliable power management solutions. PMICs can be divided into many categories, such as voltage supervisors, current supervisors, switching regulators, power management, etc. Among these types of PMIC products, voltage supervisors are playing an increasingly important role in modern products. Voltage supervisors have been widely used in the digital systems of PCs, medical and industrial fields to ensure system stability and safety. The S-80945CNNB-G9FT2G voltage supervisor is one of the most popular voltage supervisors in the market.

S-80945CNNB-G9FT2G Application Field

The S-80945CNNB-G9FT2G is a low-voltage supervisor with an adjustable reset threshold. This product is usually used in digital products, such as embedded systems, computers, etc.In order to promote the stability and safety of the system, the S-80945CNNB-G9FT2G is designed to monitor competing power supply voltage levels and to detect out of threshold events such as any high or low voltage level disturbances.The S-80945CNNB-G9FT2G is optimized to operate in low voltage power management applications. It features adjustable voltage levels, low power consumption and fast reset operation. It is built-in with a CMOS power-up reset circuit that can provide a reset in a few us.The S-80945CNNB-G9FT2G is a low-cost, high-performance voltage supervisor that is easy to install. In comparison with other voltage supervisors, the S-80945CNNB-G9FT2G offers the most comprehensive features, flexible configurations and the most reliable operation.

S-80945CNNB-G9FT2G Working Principle

The S-80945CNNB-G9FT2G operates by monitoring the voltage levels of the power supply. It uses an on-chip voltage detector as a voltage reference to detect any voltage drops or rises.When a power supply voltage drops below a predetermined level (which can be adjusted by the user), the voltage detector triggers an active-low reset pin. This Active-low reset pin can be connected to any type of microprocessor or digital logic circuit to reset the system in the event of a power failure or other voltage related problem. When a power supply voltage rises above the predetermined level, the reset pin can be deasserted. This allows the system to continue normal operation until another event happens, such as a power-down or power-off event. The S-80945CNNB-G9FT2G is designed to guard against short-to-ground, short-to-Vcc, and short-to-Vss occurrences. The voltage detector also has protection against direct overvoltage protection and over-temperature protection. In addition, the S-80945CNNB-G9FT2G is built with an automatic power-reset circuit which can enable the voltage supervisor to reset the system quickly in a few us. This feature helps to ensure complete system shutdown in power-fail or power-off events.

Conclusion

The S-80945CNNB-G9FT2G is one of the most advanced and widely used voltage supervisors in the market. It is an ideal choice for digital applications and embedded systems. The S-80945CNNB-G9FT2G offers a wide range of features such as adjustable voltage levels, low power consumption, fast reset operation, and reliable operation. It is also very easy to install.

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