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PMIC - Supervisors

The CAT1163WI-28-T3 is an integrated silicon-based power management device that is designed to provide power management and monitoring functions. It is an integrated device consisting of multiple functional blocks, including a low-power battery monitor, power supervisor, pass-through MOSFET driver, and system reset latch. This device is well suited for use in applications that require reliable power monitoring for extended life time.

Application Fields

The CAT1163WI-28-T3 has a broad range of applications in many areas including consumer electronics, automotive, industrial, and medical systems. It is specifically designed for use in embedded systems that require low-power, battery-powered operations. It is also well suited for applications that require reliable power monitoring and stable reset functions.

Consumer electronics applications: The CAT1163WI-28-T3 is well suited for integration within consumer electronics applications, including portable media players, digital cameras, and mobile phones. The device offers reliable power monitoring with minimal current consumption and is designed to provide a stable reset signal in the event of power loss.

Automotive applications: The CAT1163WI-28-T3 is well suited for use in automobile systems, as it provides reliable power monitoring and management over wide temperature ranges. Additionally, the device can be used to provide a safe wakeup sequence when power is lost or restored, which is critical for fail-safe operation in an automobile.

Industrial applications: The device can be used for monitoring power for industrial systems, including motor control, programmable logic controllers, and building automation. It provides reliable power monitoring with minimal current consumption, ensuring the safety of workers and equipment.

Medical applications: The CAT1163WI-28-T3 can be used in medical systems to provide a stable reset signal in the event of power loss. It also provides reliable power monitoring with minimal current consumption, ensuring the safe operation of medical equipment.

Working Principle

The CAT1163WI-28-T3 is designed to provide reliable power monitoring and management over wide temperature ranges. It consists of multiple functional blocks, including a low-power battery monitor, power supervisor, pass-through MOSFET driver, and system reset latch. The device also features an internal watchdog function which monitors the voltage and current of the controlled power sources.

The battery monitor is designed to sense the battery voltage level and initiate the appropriate level of system reset. It features an internal comparator and voltage reference circuit, which enables the device to accurately detect the battery voltage level and initiate a system reset.

The power supervisor monitors the current and voltage levels of the system power sources, and provides an output signaling the required system reset action. It also includes an integrated low-power reset timer, which allows for adjustable system reset timing as required.

The pass-through MOSFET driver enables the device to control a power switch for protecting system components from overvoltage conditions. The reset latch prevents false resetting of the system due to short power interruptions, and ensures that all system devices are powered down when the device is in reset.

In summary, the CAT1163WI-28-T3 is a highly integrated power management and monitoring device designed for reliable operation in a broad range of applications. It is well suited for efficient and safe power monitoring in embedded systems, automotive systems, industrial systems, and medical systems.

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