CAT1026ZI-42-GT3

Supervisors Overview

The CAT1026ZI-42-GT3 is a dual voltage supervisory circuit manufactured by onsemi, featuring an integrated I2C serial 2k-bit CMOS EEPROM. It operates within a supply voltage range of 2.7 V to 5.5 V and utilizes an MSOP-8 surface-mount package. The device monitors two independent voltage inputs with specific threshold levels, providing reset outputs for system protection. It functions reliably across an industrial temperature range from -40°C to +85°C and draws a typical operating current of 3 mA.

Supervisors Feature Summary

• Integrates dual voltage supervision with a dedicated 2k-bit I2C serial EEPROM for data storage
• Provides hardware reset signals based on monitored power rail thresholds
• Supports standard I2C communication interface for memory access

Supervisors Applications

• CPU power monitoring in embedded systems
• Data retention management via integrated EEPROM
• Industrial control board voltage supervision

Supervisors Procurement Notes

Verify the exact suffix and tape-and-reel quantity specifications against the official datasheet before ordering. Confirm that the MSOP-8 package dimensions match your PCB footprint requirements. Ensure the selected threshold voltage variant aligns with your system's power rail specifications to guarantee proper reset timing and operation.

Supervisors Selection Notes

Select this component when dual voltage monitoring combined with non-volatile data storage is required in a compact form factor. Compare the specific threshold voltages of available variants to ensure compatibility with your target power rails. Consider the MSOP-8 package size constraints and verify that the I2C address configuration meets your bus topology requirements.

Supervisors Part Context

This part belongs to the CAT1026 series of supervisory circuits which combine power management monitoring with serial EEPROM functionality. The series is designed for applications requiring both system integrity checks and small-scale data logging capabilities. It serves as a solution for managing power sequences and storing critical configuration data in space-constrained electronic designs.

Supervisors Replacement Considerations

Check for CAT1026 variants with different threshold voltages or package types such as SOIC-8 or TSSOP-8 if pinout compatibility allows. Verify functional equivalence regarding I2C protocol support and EEPROM capacity before substituting.