X40415S8I-AT1

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	2
Output:	Open Drain or Open Collector
Reset:	Active High
Reset Timeout:	Adjustable/Selectable
Voltage - Threshold:	1.3V, 2.9V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	X40415

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Introduction

PMIC - Supervisors are electronic components designed to monitor power supply rails and provide additional features like reset, supervisor and push-button restart functions. The X40415S8I-AT1 is a high-performance product of this type which means that it can provide reliable protection and monitoring for system power supplies. The X40415S8I-AT1 is designed to be used in a wide variety of embedded applications that require robust power management characteristics.

Application Field of X40415S8I-AT1

The X40415S8I-AT1 is a supervisor IC that can provide reliable power management for embedded applications. It has a wide operating temperature range from -40°C to +85°C, and is designed for use in automotive systems. The X40415S8I-AT1 has two voltage monitoring channels, each having an adjustable voltage threshold from 2.63V to 5.65V. It has an integrated POR which can be used to quickly reset the system during power-on and has a built-in delay timer to ensure a power-on reset at the correct voltage. The X40415S8I-AT1 also features an SBI/SUI open-drain output which can be used for a reset, supervisor or push-button restart function.

Working Principle of X40415S8I-AT1

When the X40415S8I-AT1 is used as a supervisor or reset IC, it monitors the power supply line (Vdd) with two adjustable voltage monitoring inputs (VM and VM2). The outputs of these voltage comparators are fed into an integrated flip-flop which is set by a voltage transition of Vdd. The output of the flip-flop can then be used to drive an external N-channel MOSFET which can be used to reset the system. The external MOSFET can also be used to control the power-on and power-off logic.The X40415S8I-AT1 can also be used as a push-button restart IC. The integrated flip-flop circuit can be used to generate a start-up/shutdown signal (SUI/SBI) when the power button is pressed. The SUI/SBI signal can also be used to drive an internal MOSFET which can be used to control board level logic.

Conclusion

The X40415S8I-AT1 is a high-performance, low-power supervisor or reset IC. It has wide operating temperature range, adjustable voltage monitoring inputs, integrated POR and SBI/SUI open drain output providing simple and reliable power management solutions for a wide range of embedded applications.

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