PT7M7811MTBEX

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Introduction

The PT7M7811MTBEX is a high-performance, low-power voltage supervisor designed to provide reliable power-on reset of various low-power systems. The device features an adjustable reset timeout, making it ideal for applications that require long reset windows. An adjustable detection threshold and a wide range of reset output options make the PT7M7811MTBEX suitable for a wide range of applications, from general purpose computing to automotive applications.

Applications

The PT7M7811MTBEX can be used to provide a reliable power-on reset for a range of applications, from personal computers, handheld devices, and server systems to automotive and industrial applications. It is well suited for systems that require long reset windows and/or multiple reset sources. The device is also suitable for battery-operated applications, as well as those requiring immediate reset during power-up or power-down transients.

The PT7M7811MTBEX is particularly well-suited as a supervisor for automotive applications, as it features a large window during which the device will assert a reset signal. This ensures reliable system initialization while accommodating longer start-up times associated with engine pre-ignition and battery-matching activities. The device is also designed to consume very low power, making it ideal for battery-backed applications.

Working Principle

The PT7M7811MTBEX utilizes an adjustable voltage detection threshold and an adjustable reset timeout window to provide reliable power-on reset. The voltage detection threshold is adjustable, allowing the user to set an appropriate reset level for their application. The reset timeout window is also adjustable, ranging from 0 to 7 milliseconds, allowing for time-outs that are appropriate for a variety of applications.

When the voltage at the device\'s input exceeds the voltage detection threshold, the device will begin to assert the reset signal. The reset signal remains asserted until the voltage drops below the voltage detection threshold. The reset signal will then remain de-asserted until either the reset timeout window has elapsed, at which point the reset signal will be asserted again, or the voltage exceeds the reset threshold, at which point the reset signal will be asserted again.

The device also has a wide range of reset output options, including an open drain output, an active low output, an active high output, and a push-pull output. This allows for maximum flexibility in reset signal delivery, making the device suitable for a variety of applications.

Conclusion

The PT7M7811MTBEX is a high-performance, low-power voltage supervisor designed to provide reliable power-on reset of various low-power systems. It features an adjustable reset timeout and detection threshold, making it suitable for applications that require long reset windows and multiple reset sources. Additionally, the device offers a wide range of reset output options and consumes extremely low power, making it well-suited for battery-operated systems. The PT7M7811MTBEX is an ideal solution for applications such as personal computers, handheld devices, and automotive applications.

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