APX823-23W5G-7 Integrated Circuits (ICs)

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As a part of PMIC - Supervisors, APX823-23W5G-7 is designed to provide advanced system-level reset, power management, and voltage monitoring functions for applications in consumer, medical, automotive and industrial systems. This PMIC - Supervisors device integrates independently programmable components such as programmable reset generation, power supply and system voltage monitoring, watch dog timer, and power on reset.

The APX823-23W5G-7 is designed to provide active monitoring of the power rails inside the system. An internal voltage detector generates an interrupt when the user-preselected supply voltage drops below the programmed monitored level. This PMIC - Supervisors device provides an internal delay to prevent false triggering. This can be used to alert the system of an under voltage lockout (UVLO) condition, indicating that the power supply is failing.

The APX823-23W5G-7 also provides a programmable reset generation. The microcontroller sends the reset command to the devices when the power fails, or when the microcontroller is halted. This device supports two types of reset output and assertions: an active-low enable/reset signal, or an active-high assertion reset signal. The enable/reset signal is designed to enable (when assertion is high) or reset (when assertion is low) the microcontroller. The assertion/reset is designed to generate a reset as long as the assertion state is high.

The APX823-23W5G-7 also integrates a programmable watch dog timer (WDT). When enabled, the WDT can cause a reset to occur for the system if a timed event does not occur in a specific amount of time. This device supports two WDT schemes: an active-low signal to the reset pin, or an active-high assertion/deassertion signal. The active-low reset signal is designed to generate a reset signal asserted by the WDT when it times-out. The assertion/deassertion signal is designed to generate an assertion when the WDT expires and deasserts when a valid signal is sensed by the WDT.

The APX823-23W5G-7 also includes an internal reset controller. The device supports an active-high power on reset signal to drive the reset pin on the microcontroller. This signal is designed to generate a reset as long as the power on reset signal is high. The power on reset is designed to reset the system whenever the power is connected or disconnected.

In essence, the APX823-23W5G-7 PMIC - Supervisors provides advanced system-level reset, voltage monitoring, and power management functions in a wide range of applications. Its versatile design and capability to support multiple reset and assertion types, makes it suitable for a wide range of applications, ranging from consumer, medical, automotive, and industrial systems. By providing active monitoring of the system\'s power rails and customizable features, such as WDT, the APX823-23W5G-7 makes it easier for engineers to manage system reset and voltage supply, creating a more efficient and reliable system.

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