CAT140029LWI-GT3

Supervisors Overview

The CAT140029LWI-GT3 is a System Basis Chip (SBC) integrating a voltage supervisor with an I2C serial CMOS EEPROM. It features a single monitored input and operates within a threshold voltage range of 2.85 V to 3 V. The device supports active high, active low, and push-pull output types. It is housed in an 8-SOIC wide package and includes manual reset functionality. This component is designed for automotive applications requiring integrated power management and memory.

Supervisors Feature Summary

• Integrates voltage supervision with non-volatile memory
• Supports I2C serial communication interface
• Designed for automotive system basis chip applications

Supervisors Applications

• Automotive electronic control units
• System basis chip implementations
• Voltage monitoring with data storage

Supervisors Procurement Notes

This product is officially listed as obsolete by the manufacturer and is no longer in production. Availability is restricted, and distributors may not stock this item in all regions. Engineers should verify current supply status through official channels before design finalization. Due to its discontinued status, long-term sourcing is not guaranteed, and immediate procurement planning is advised if legacy support is required.

Supervisors Selection Notes

Select this component only for existing designs requiring this specific integrated supervisor and EEPROM combination. Verify that the I2C interface and SOIC-8 package are compatible with the target PCB layout. Consider the automotive qualification requirements and the specific voltage threshold range during initial schematic capture. Ensure that the manual reset feature meets the system's safety logic requirements.

Supervisors Part Context

The CAT140029LWI-GT3 belongs to the CAT140029 family of System Basis Chips from onsemi. These devices combine power management functions with microcontroller peripherals. The L suffix typically denotes specific pinout or functional variations within the series. This part represents a consolidated solution for automotive electronics, reducing board space by integrating supervision and memory.

Supervisors Replacement Considerations

Official substitutes for the CAT140029LWI-GT3 can be viewed through the manufacturer's obsolescence notice. Cross-referencing with other CAT140029 variants such as the CAT140029JWI-GT3 is recommended to ensure pin compatibility and functional equivalence before adoption.