S-80938CNNB-G88T2U

Series:	S-809xxC
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:	20 ms Minimum
Voltage - Threshold:	3.8V
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

The S-80938CNNB-G88T2U, a high performance PMIC (Power Management IC) manufactured and sold by STMicroelectronics, is designed to provide power and system control for numerous applications in industrial, communications and consumer products.PMICs are integrated circuits that manage the power and the voltage conversion of an electronic system. In the last few years, PMICs have become increasingly sophisticated and versatile, allowing for the implementation of quality power management in most cutting-edge systems.The S-80938CNNB-G88T2U, a standout among its peers, is a high-quality PMIC that offers significant configuration flexibility and can be used for various applications, from industrial and communications to consumer.

Application Fields

The S-80938CNNB-G88T2U can be used in a wide variety of applications, such as industrial, consumer and communications products. Thanks to its robust and reliable design, the S-80938CNNB-G88T2U is uniquely suited for use in field instruments and other harsh environments.Industrial Applications: The S-80938CNNB-G88T2U is designed for use in industrial applications, such as motor and lighting control systems, industrial automation systems, HVAC (heating, ventilation, and air conditioning) systems, and more. It can also be used to control and manage the power flow in unmanned equipment, such as remote terminals and unmanned lighting fixtures.Consumer Applications: The S-80938CNNB-G88T2U can be found in various consumer products, such as home security and home entertainment systems, Electronic Point of Sale (EPOS) systems, GPS devices, and more.Communications Applications: The S-80938CNNB-G88T2U is perfect for communications products, providing reliable power control for base station transceivers, mobile transceivers, routers, and switches.

Configuration and Control Options

The S-80938CNNB-G88T2U is highly configurable and offers some exceptional control options, making it ideal for use in a diverse range of applications.Flexible Output Voltage Control: The S-80938CNNB-G88T2U can support up to two outputs, each with a voltage range of 0.9V-2.9V. This allows designers to independently configure each output to meet the exact needs of their application.Current Limit Control: The S-80938CNNB-G88T2U is capable of limiting the output current by leveraging its advanced current inrush limiter function. This function protects the system against current surges and helps ensure reliable system performance.Power Good Output: The S-80938CNNB-G88T2U includes a power good output that can be used to signal when the output voltage has reached its preset value. This gives designers the ability to monitor the system power.

Working Principle

The working principle of the S-80938CNNB-G88T2U is relatively simple and revolves around the control of power and voltage. This function is performed by its integrated switching voltage regulator, which uses a series of PMOS/NMOS transistors to regulate the output current.The PMOS/NMOS transistors act as switches, allowing the current to flow when the voltage is at its set level. When the output voltage reaches its preset level, the transistors cut the current flow and the output voltage is maintained.The S-80938CNNB-G88T2U also includes an integrated high-side driver that controls the current flow to the PMOS/NMOS transistors. The driver ensures that the transistors switch on and off at the correct voltage levels, thus ensuring that the output voltage is regulated.The S-80938CNNB-G88T2U also features an on-board voltage monitor to detect under or overvoltage conditions, allowing it to shut off the output in case of an emergency.

Conclusion

The S-80938CNNB-G88T2U is a highly capable PMIC that is suitable for use in a wide variety of applications, from consumer products to industrial and communications systems. Its robust and reliable design makes it uniquely suited for use in harsh environments and its flexible output voltage control and current limit control features make it ideal for a diverse range of applications. The S-80938CNNB-G88T2U’s working principle revolves around the control of power and voltage via an integrated switching voltage regulator, high-side driver, and on-board voltage monitor.

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