ISO7741FQDWQ1

Overview

The ISO7741FQDWQ1 is an automotive-grade, reinforced quad-channel digital isolator from Texas Instruments. It features a data rate of 100Mbps and supports a supply voltage range of 2.25V to 5.5V. The device provides a 5000Vrms isolation rating with a minimum common-mode transient immunity (CMTI) of 85kV/µs. Propagation delays are typically 10.7ns, with rise and fall times around 3.9ns. It operates within a temperature range of -40°C to 125°C and is housed in a 16-SOIC package.

Feature Summary

• Reinforced insulation rating for high-voltage safety applications
• Robust electromagnetic compatibility performance
• High-speed signal transmission capability
• Automotive qualification compliance

Applications

• Automotive powertrain control systems
• Inverter gate drive circuits
• On-board charging (OBC) interfaces
• Battery management system communication

Procurement Notes

Verify the specific suffix 'F' indicates reinforced isolation ratings compared to standard variants. Confirm AEC-Q100 certification status for your target automotive grade requirements. Check current lifecycle status as some sources indicate end-of-life planning. Ensure the 16-SOIC package dimensions match your PCB footprint constraints before finalizing procurement.

Selection Notes

Select this component when reinforced isolation barriers are mandatory for safety standards. Choose over standard isolators if higher CMTI and EMC robustness are required. Consider the 100Mbps speed for high-frequency digital signals. Evaluate power consumption against thermal constraints in enclosed automotive enclosures.

Part Context

This part belongs to the ISO7741-Q1 family of high-speed digital isolators. It shares the same core architecture as other ISO774x-Q1 devices but specifies reinforced isolation characteristics. The 'Q1' suffix denotes automotive qualification, while 'F' typically specifies the isolation rating level within the TI portfolio.

Replacement Considerations

ISO7741QDWRQ1 is a manufacturer-recommended alternative with similar specifications. Verify pinout compatibility and isolation ratings when substituting. Other Skyworks solutions may require circuit redesign due to different interface characteristics.