CAT1026ZI-45-GT3

Supervisors Overview

The CAT1026ZI-45-GT3 is a voltage supervisory circuit manufactured by onsemi, designed for monitoring system power integrity. It integrates a 2k-bit CMOS EEPROM accessible via an I2C serial interface. The device features a single monitored input with a threshold voltage of 4.5 V and supports a maximum supply voltage of 5.5 V. It operates within a temperature range of -40°C to +85°C and is housed in an MSOP-8 surface-mount package. The component lacks manual reset and watchdog timer functions.

Supervisors Feature Summary

• Integrates dual voltage supervision with embedded non-volatile memory
• Provides I2C serial interface for data storage and retrieval
• Offers compact surface-mount packaging for space-constrained designs

Supervisors Applications

• CPU power supply monitoring in embedded systems
• Data retention in battery-backed circuits
• Configuration storage in industrial control units

Supervisors Procurement Notes

Verify the exact suffix against official catalogs as variations exist. Confirm current production status and lead times directly with the manufacturer or authorized distributors. Ensure the specific package type matches the design requirements before ordering.

Supervisors Selection Notes

Select this component when both voltage supervision and persistent data storage are required in a single package. Verify that the 4.5 V threshold aligns with the target supply rail. Check compatibility with the system's I2C bus speed and address configuration constraints.

Supervisors Part Context

This part belongs to the CAT1026 series of supervisory circuits with integrated EEPROM. It serves applications requiring reliable power management alongside small-scale data logging. The series provides a consolidated solution for monitoring and memory needs in portable and industrial electronics.

Supervisors Replacement Considerations

Cross-reference tools indicate compatible alternatives from various manufacturers. Verify pinout compatibility and electrical specifications before substitution. Consult official cross-reference databases for validated equivalent part numbers.