ICL7673CBAZA

Overview

The ICL7673CBAZA is an OR controller and source selector switch manufactured by Renesas Electronics Corporation. It supports N and P channel FETs in a 2:1 input-to-output ratio configuration. The device operates on a supply voltage range of 2.5V to 15V with a maximum output current of 38mA. It features low supply current consumption of 1.5µA and includes internal switches. The component is housed in an 8-SOIC package (0.154 inch width) and is designed for surface mount installation.

Feature Summary

• Integrates OR control logic with source selection switching capabilities
• Supports both N-channel and P-channel field-effect transistors
• Features low quiescent current consumption for power efficiency
• Includes internal switching elements within the integrated circuit

Applications

• Battery backup systems
• Industrial applications
• Automotive grade circuits
• High current switching scenarios

Procurement Notes

Verify component authenticity through authorized channels due to potential availability constraints. Confirm package integrity upon receipt as moisture sensitivity level is rated at 1. Check datasheet revisions for any recent manufacturing site changes or labeling updates that may affect compatibility. Ensure storage conditions meet specified requirements prior to assembly.

Selection Notes

Select this component when designing redundant power paths requiring seamless source selection. Consider the 2:1 ratio requirement and compatible FET types before implementation. Evaluate thermal performance within the 0°C to 70°C operating range. Verify that the 38mA output current meets load requirements. Assess PCB space constraints for the 8-SOIC footprint.

Part Context

This part belongs to the ICL7673 series of power management ICs focused on source selection and ORing controllers. It represents a specialized solution for managing multiple power inputs in embedded systems. The device complements other Renesas PMIC offerings by providing dedicated hardware-level redundancy management without complex software overhead.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.