CAT1161WI-30-G

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The CAT1161WI-30-G is a programmable reset supervisor with an adjustable low voltage threshold. It is a monitoring device optimized to help protect systems operating from over-voltage, under-voltage, and power-fail conditions. The device is part of a family of power supervision products, manufactured by ON Semiconductor, that offer a comprehensive range of protection and flexibility. It is part of the PMIC - Supervisors class of components, which also includes voltage detectors, power sequencers, and fault reporting logics.

The CAT1161WI-30-G is designed to monitor two supply voltages. The first is an adjustable supply voltage which is used to adjust the reset threshold, the second is a 3.3V reference supply used to set the trip point. The adjustable supply can be set to any voltage between 0 to 7.5V, allowing users to select the reset voltage point for their specific application. The device has two outputs, RESET#, that is active low when a valid low voltage is detected, and an open drain active low output VDDALM#. The RESET# can be used to deassert a processor, while the VDDALM# output can be used to indicate that the power supply is out of range or has failed.

The CAT1161WI-30-G offers a wide range of features that are beneficial in protecting processors and other electrical components from damage. These include under-voltage and over-voltage lockout, as well as an integrated logic high detection circuit that indicates a differential voltage magnitude between two connected supplies. Additionally, it has adjustable delay times, an open drain active low enable/disable pin, and an adjustable delay after reset that allows the processor to reset itself after an over or under voltage trip. An integrated VDD monitor allows the system to be protected at any supply voltage, and the monitor itself does not require an external supply source. The CAT1161WI-30-G can also be configured to monitor three supply voltage levels in a two-wire configuration and is protected from ESD and latch-up.

The CAT1161WI-30-G can be used in a wide range of applications, including integrated microprocessor systems, server boards that incorporate multiple processors, memory cards and board sets, and a variety of embedded digital systems. It is also used in power distribution and battery protection systems, diodes, and telecommunication equipment. The device is particularly advantageous in applications that require the highest degree of protection and reliability. For example, it is suitable for use in notebooks and other portable systems, where the power supply is continuously changing and the processor is exposed to a range of environmental stresses, such as elevated temperatures and voltage ranges.

The CAT1161WI-30-G offers a high degree of protection and reliability, making it a preferred device for companies that are looking to ensure optimal performance and safety in their products. When implemented in combination with other PMIC products, the device can provide a comprehensive range of protection and flexibility, allowing a system to operate in hostile environments and against a range of different threats. In addition, it allows for multiple reset thresholds, reducing the risk of system damage due to under and over voltage conditions. In short, this PMIC component is an ideal choice for those seeking to protect their equipment against malfunction and system failure.

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