CAT813ZI-GT3

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CAT813ZI-GT3 application field and working principle

The CAT813ZI-GT3 is a versatile, high performance supervisor with power-on reset and watchdog timer protection device. It is used in any systems with a supply voltage ranging from 3V to 30V and provides a complete power-on reset and watchdog timer for embedded system monitoring and protection. This device is ideal for reducing power consumption and providing a safe delivery of power to the application.

The CAT813ZI-GT3 can be used in applications where large changes in supply voltage may occur. It helps to protect against latch up conditions, and helps prevent system instability during power supply transients. The CAT813ZI-GT3 also helps to prevent inrush current issues when high capacitance loads are switched on. The high accuracy voltage detector prevents glitches or false triggering of the reset outputs.

The CAT813ZI-GT3 is available in a small, low profile surface mount package and is suitable for applications in both automotive and industrial environments. It offers two power input pins to allow for redundant system power supplies, as well as 2 watchdog timer outputs to monitor the system. The watchdog timer can be set up for different time periods and will reset the system if it fails to receive a reference signal from the host computer.

The CAT813ZI-GT3 provides a highly precise monitoring for system power supply levels, which is crucial for embedded application. The supervisor features a power-on detection voltage that is adjustable via a voltage divider. This adjustable voltage provides a versatile solution for controlling the power-on reset circuit and avoiding false triggering of system reset.

The CAT813ZI-GT3 also offers a configurable FI/LI circuit to protect the system from high current transients and voltage spikes. This circuit allows the user to select the FI/LI safety threshold without relying on the external components. It also features an external capacitor that can be used to adjust the FI/LI threshold in order to meet the specific needs of the application.

The CAT813ZI-GT3 provides a high accuracy watchdog timer for resetting the system in case of a malfunction or improper operation. This timer can be manually set up for different time periods, and will issue a reset when the system fails to recognize the reference signal from the host computer. This prevents issues such as system lockups, which can be caused by power supply transients, or faulty code execution.

Overall, the CAT813ZI-GT3 is a versatile and powerful supervisor device that provides reliable system monitoring and protection from various power supply transients and voltage spikes. Its adjustable power-on reset and configurable FI/LI threshold make it an ideal choice for embedded applications. The CAT813ZI-GT3 is an excellent choice for any embedded system that needs robust power-on reset and watchdog timer protection.

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