CAT1641WI-28-TE13

Supervisors Overview

The CAT1641WI-28-TE13 is a supervisory circuit manufactured by onsemi, designed for voltage monitoring applications. It operates within a supply voltage range of 2.7 V to 5.5 V and features a threshold voltage of 2.8 V. The device is housed in an 8-SOIC surface-mount package and supports manual reset functionality. It includes an active high output type and provides a reset delay time of 130 ms. The component is rated for operation between -40°C and +85°C.

Supervisors Feature Summary

• Provides voltage supervision with a fixed 2.8 V threshold for system integrity
• Features active high output configuration for direct logic interfacing
• Includes manual reset capability for user-initiated system recovery
• Offers a defined 130 ms reset delay to ensure stable power-up sequencing

Supervisors Applications

• CPU voltage monitoring in embedded systems
• Power management circuits requiring supervised reset signals
• Industrial control units operating within specified temperature ranges

Supervisors Procurement Notes

Verify the specific suffix TE13 indicates tape and reel packaging when sourcing. Confirm the 28 designation corresponds to the 2.8 V threshold variant required for your design. Check current availability status as this part may be subject to discontinuation or lifecycle changes. Ensure the SOIC-8 package dimensions match your PCB footprint requirements before finalizing procurement.

Supervisors Selection Notes

Select this component when a fixed 2.8 V threshold is required for voltage supervision. The active high output simplifies interface design compared to open-drain alternatives. Consider the 130 ms reset delay duration against your system's power-up timing constraints. The SOIC-8 package offers a compact solution for surface-mount assembly processes.

Supervisors Part Context

This part belongs to the CAT1641 series of supervisory circuits from onsemi. These devices are categorized under PMIC - Power Management ICs. The series typically integrates voltage monitoring with optional memory functions, though this specific variant focuses on supervision. It serves as a critical component for ensuring reliable system startup and fault detection in electronic designs.

Supervisors Replacement Considerations

Direct substitutes include other CAT1641 variants with compatible thresholds such as CAT1641WI-30 or CAT1641WI-45, provided the voltage level matches application needs. Verify that replacement parts maintain the same SOIC-8 package and active high output polarity to ensure pin-to-pin compatibility without schematic modifications.