ADM13305-25ARZ-RL7

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Power management integrated circuits (PMICs) are integrated circuits used to manage electrical power in a wide range of products. PMICs provide highly integrated solutions to enable efficient use of battery and AC power in design engineering applications. Power supervisors are one type of PMICs, providing functions such as reset generation, brown-out detection and system power supply tracking. The ADM13305-25ARZ-RL7 is a low-voltage and high-precision power supervisor that offers integrated functionality to enable the user\'s design to meet specific requirements.

Overview of ADM13305-25ARZ-RL7

The ADM13305-25ARZ-RL7 offers an overvoltage, undervoltage and over-current protection for systems with a wide input voltage range from 1.2V to 5.5V. The power supervisor provides high-precision overvoltage and undervoltage detection that operates over a 1.2V to 5.5V voltage range with a ±1.5% accuracy. Current monitoring and setting of the power-up/power-down thresholds is realized with an integrated current limit comparator. This feature allows continuous monitoring of application power supply voltage in order to detect any potential failure at a very early stage.

Key Features of ADM13305-25ARZ-RL7

• Wide operating voltage range: 1.2V to 5.5V
• High-precision overvoltage and undervoltage detection accuracy: ±1.5%
• Integrated current limit comparator
• Programmable delay time before reset generation
• Programmable reset assert time
• Automatically switch from raise to lower as input voltage approaches the reset thresholds
• Short circuit protection

The ADM13305-25ARZ-RL7 provides detection of overvoltage and undervoltage conditions that can cause unanticipated shutdowns or enter undesirable conditions. The integrated current limit comparator allows the user to set the power-up/power-down thresholds. Additionally, the power supervisor features a programmable delay time before reset. This delay time allows the system to follow the voltage off and on transition without a reset.

Application Field and Working Principle

The ADM13305-25ARZ-RL7 is designed to be used in a variety of applications such as power supplies, digital power supply design, gaming systems, automotive, industrial and consumer electronic products. Due to its wide range of voltage and high-precision detection accuracy, this power supervisor offers reliable protection for applications that require continuous monitoring of the system power supply.

The working principle of the ADM13305-25ARZ-RL7 is based on the comparison of the input voltage against the fixed voltage thresholds. The power supervisor will detect any violation of the power-up/power-down thresholds, triggering a reset and providing protection from overvoltage and undervoltage conditions. The integrated current limit comparator can be used to set the voltage thresholds and monitor the current draw of the system. The digital reset block in this power supervisor can generate reset pulses with a programmable reset assert time and threshold level.

Conclusion

The ADM13305-25ARZ-RL7 is a low-voltage and high-precision power supervisor that provides features such as overvoltage, undervoltage and over-current protection. This power supervisor offers an overvoltage and undervoltage detection accuracy of ±1.5% throughout the range of 1.2V to 5.5V. The ADM13305-25ARZ-RL7 is suitable for use in a variety of applications such as power supplies, digital power supply design, gaming systems, automotive, industrial and consumer electronic products. It works by detecting any violations of the power-up/power-down thresholds, triggering a reset and providing protection from overvoltage and undervoltage conditions.

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