CAT1025LI-28-G

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PMIC-Supervisors: CAT1025LI-28-G Application Field and Working Principle

PMIC- Supervisors are essential protection components for electronic systems in order to ensure they function properly and efficiently. The CAT1025LI-28-G Supervisors, released by ON semiconductor, is one of the most advanced protections available in the market. With the ability to support the power sequential scheme of multiple Controller Area Network (CAN) and embedded PC systems down to 1.2V, this device provides a reliable platform for all embedded power applications.

Application Field of CAT1025LI-28-G Supervisors

As an integrated Supervisor solution for automotive and embedded systems, the CAT1025LI-28-G Supervisors are utilized in a wide range of applications. From powertrain control units and engine management systems, to central information systems and safety critical systems, this company offers highly reliable performance in all applications. The microcontroller and mixed-signal peripherals are fully supported by the integrated system configuration, allowing for designs requiring mixed voltage levels, lower cost and simpler board layouts.

Moreover, CAT1025LI-28-G Supervisors can support up to four different power rails, automatically validating the power sequencers and resetting the underlying systems as necessary. With open-loop and adaptive self-reset functionality, they can detect and respond to system faults, such as an over-voltage, undervoltage and current-limit conditions. As a result, they protect electronic systems from unexpected power failures while sustaining reliable operation.

Working Principle of CAT1025LI-28-G Supervisors

The CAT1025LI-28-G Supervisors operate according to a simple and intuitive worked principle. The Supervisor monitors multiple power rails and generates a response according to a programmed voltage and current threshold. In order to measure the power conditions, it uses current sensing feedback from the system. This typically involves the system\'s input power rail, output power rail and the power bypass path.

When the monitored power rail exceeds the programmed voltage level, an interrupt is triggered. The Supervisor will then reset the system in order to prevent it from experiencing a malfunction. The output of the Supervisor is also open-drain and can be connected to the reset pin of the system to reset the device when necessary.

The CAT1025LI-28-G also features a wide input voltage range up to 28V, ensuring it is able to perform reliably in various environments. It also offers various configurable options, such as hysteresis, reset timer, fault delay, and automatic self-reset. These features enable the designer to easily customize the Supervisor according to their specific requirements.

Conclusion

The CAT1025LI-28-G Supervisors offer a reliable solution for the protection of electronic systems in a wide range of applications. The Supervisors feature a wide input voltage range and configurable options that enable the designer to customize them according to their specific requirements. The integrated current sensing feedback and open-drain output provide a flexible and reliable protection for all embedded power applications.

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