S-1000N25-N4T1U Integrated Circuits (ICs)

Series:	S-1000
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:	2.5V
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

The S-1000N25-N4T1U is a voltage supervisor designed for use with mobile and embedded applications. It is commonly used to monitor system voltages, detect low or overvoltage conditions, and provide system reset. The S-1000N25-N4T1U is a single-channel voltage supervisor that can detect low and high-voltage conditions and provide system reset. It is available in small packages, making it ideal for portable and small form-factor applications.

Applications

The S-1000N25-N4T1U is widely used in mobile and embedded applications that require system reset and voltage sensing capabilities. It is suitable for monitoring battery voltages, system voltages, supply rails, and other critical power systems. It can be used in automotive, battery-driven, and military applications, as well as in many consumer and industrial applications.

Features

The S-1000N25-N4T1U features a wide operating temperature range, low power consumption, low current consumption, and a wide dynamic range, making it ideal for a broad range of applications. It has an active low reset and an active low reset acknowledge (RESETACK) output. It also provides an active high power good (PWRGD) output that indicates the status of the system power supply.

Working Principle

The S-1000N25-N4T1U operates by monitoring the voltage at one of its input pins, VTRIP. It is triggered when the voltage at this pin drops below the set threshold and will reset the system if the voltage then stays below the threshold for the set reset timeout period. The reset timeout period is user-programmable, ranging from 100nS to 140ms, with a default setting of 1.5ms. When the voltage at the VTRIP pin rises above the set threshold, the supervisor will reset the system and then provide a positive reset acknowledge (RESETACK) output. It also has a power good (PWRGD) output that indicates the status of the system power supply. When the voltage at the VTRIP pin is above the minimum threshold, the PWRGD output is high, indicating that the system is powered and running properly. The S-1000N25-N4T1U also has a second input pin, VLR, which is used to set the low threshold voltage. When the voltage at this pin drops below the set threshold, the supervisor will reset the system and provide a negative reset acknowledge (RESETACK) output.

Summary

The S-1000N25-N4T1U is a voltage supervisor designed for use with mobile and embedded applications that require system reset and voltage sensing capabilities. It is widely used in automotive, battery-driven, and military applications, as well as in many consumer and industrial applications. It features a wide operating temperature range, low power consumption, low current consumption, and a wide dynamic range, making it an ideal choice for monitoring system voltages, detecting low or overvoltage conditions, and providing system reset. It has an active low reset and an active low reset acknowledge (RESETACK) output, as well as an active high power good (PWRGD) output that indicates the status of the system power supply. The supervisor operates by monitoring the voltage at one of its input pins, VTRIP, and is triggered when the voltage at this pin drops below the set threshold. It can also be used to set the low threshold voltage with its second input pin, VLR.

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