ADM811-3TARTZ-RL7

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Power Management Integrated Circuits (PMICs), or supervisors, provide circuitry that monitors, sequences, and regulates the power to the integrated circuits in the system. This is necessary in order to protect the system and guarantee that it will stay up and running. The ADM811-3TARTZ-RL7 is a member of the Analog Devices, Inc family of low cost, reliable, and dynamic supervisors. The ADM811-3TARTZ-RL7 is designed to monitor power, regulate under- or over-voltage conditions, and provide system reset. It provides reliable hardware reset based on three thresholds, one overtemperature threshold, and one VCC above and below UV/OV protection voltage thresholds. This supervisor also includes two watchdog inputs - one active high and one active low.

The ADM811-3TARTZ-RL7 provides four general purpose pins, which may be configured as interrupt, reset, diagnostic, and control functions depending on the application field. The hard reset is used when the system needs to be reset and restarted due to an under- or overvoltage, overtemperature, or system fail-safe condition. The active high and active low watchdog inputs can be used to reset the system if an external source is unable to detect and disable the system after detection of a fault condition. The ADM811-3TARTZ-RL7 is available in a SOT-23-8 package and is guaranteed to operate over a temperature range of -40°C to +85°C.

The ADM811-3TARTZ-RL7 is well-suited for applications such as power supply sequencing, power supply startups, modern motherboards, computers, embedded systems, as well as systems requiring high reliability and/or regulating of power levels. This power supervisor is especially well-suited for modern thermal managed systems used in computers and embedded applications since it can accurately monitor and regulate the voltage levels and reset the system if it detects an under- or overvoltage or overtemperature situation.

The ADM811-3TARTZ-RL7 uses the following components for voltage sensing and reset times: capacitors, resistors, and a control register. Overall, the components provide three reset times: Power-on reset (POR) time (power good time after power is applied to the system), timer timeout reset time (time from detecting power drop to device reset), and output only valid reset time (time from detecting power drop to device reset and device output becomes valid). It also uses a watchdog input active low and active high for resetting the system in case the main processor fails to detect and disable the system due to an out of tolerance condition.

The ADM811-3TARTZ-RL7 is an accurate, reliable, and easy-to-use power management integrated circuit that is well-suited for a variety of application fields. It provides reliable hardware reset based on three voltage thresholds, one overtemperature threshold, and two watchdog inputs. It also has four pins that can be configured as interrupt, reset, diagnostic, and control functions depending on the application field. The ADM811-3TARTZ-RL7 is a great solution for those who needs to provide power management for application fields where accuracy, reliability, and cost are critical concerns.

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