ADM699SQ

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PMIC (power management Integrated circuits) have been used in wide range of electrical designs. One of the most popular PMICs is the ADM699SQ, a chip dedicated to providing voltage supervisors and power on reset circuit. The ADM699SQ is used in many applications such as PCs and other microprocessor-based systems, set-top boxes, printers, portable electronic devices and computers.

The ADM699SQ provides a single, adjustable voltage supervisor circuit and power on reset circuit. The voltage supervisor monitors the main system supply voltage from 2.5V to 5.5V. If the voltage drops below the trip point, a power-on reset signal is generated. This reset signal can be used to reset microprocessors and other digital logic to their initial state. The ADM699SQ ensures reliable operation even in the presence of noise and external interference.

The ADM699SQ features an automatic reset timing circuit to prevent multiple reset events from occurring. This feature ensures the ADM699SQ does not generate multiple reset signals when the main supply voltage drops and then recovers in a very short amount of time. The chip also includes an adjustable reset delay to ensure the processor has sufficient time to reset properly and a debounce circuit to eliminate false power-on reset signals.

The ADM699SQ has several options to configure the voltage supervisor circuitry. The trip point of the voltage supervisor can be adjusted using an external resistor divider. The reset delay can be adjusted using an external capacitor and the power-on reset reset disable function can be enabled using an external pin. The chip also has a power good output that can be used to indicate to the system when the voltage supervisor circuit is active.

The ADM699SQ is a robust and reliable power management solution for microprocessor-based systems and other digital devices. It can ensure the system remains properly powered up as long as the main power supply voltage falls within the allowable range. The built-in reset circuit allows microprocessors to reset themselves automatically in the event of unexpected voltage drops which may cause an unexpected system failure. The adjustable reset delay and debounce circuit ensure that false reset signals are eliminated.

The ADM699SQ is an ideal choice for designers who need a reliable power management solution for their electronic designs. Its adjustable voltage supervisor circuit, reset delay and reset disable options make it a great choice for designers who need to ensure their system remains properly powered up and can reset itself in the event of unexpected power loss.

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