ISO6721QDWVRQ1

Overview

The ISO6721QDWVRQ1 is a high-speed, automotive-grade digital isolator featuring dual-channel isolation with integrated DC/DC converter. It provides 5 kVrms reinforced isolation and operates at data rates up to 150 Mbps per channel. The device supports supply voltages from 3.0 V to 5.5 V on both sides, ensuring compatibility with standard logic interfaces. It includes built-in electromagnetic interference (EMI) filtering and transient immunity exceeding 100 kV/µs. The component is qualified under AEC-Q100 standards for Grade 1 temperature range (-40°C to +125°C), making it suitable for harsh automotive environments.

Feature Summary

• Dual-channel digital isolation with integrated power conversion
• High common-mode transient immunity for noise rejection
• Automotive qualification compliant with strict reliability standards

Applications

• On-board charger systems in electric vehicles
• Battery management system communication interfaces
• Inverter gate drive isolation circuits

Procurement Notes

Verify the specific suffix 'QDWVRQ1' matches the required package type, tape-and-reel quantity, and temperature grade. Confirm that the revision level aligns with your design's lifecycle status. Ensure the ordering part number corresponds exactly to the datasheet specifications for voltage ratings and isolation capabilities before finalizing procurement.

Selection Notes

Select this component when dual-channel isolation with an internal DC/DC converter is required to minimize external components. It is appropriate for applications needing high-speed data transmission alongside robust EMI protection. Consider the thermal performance and pinout compatibility with existing PCB layouts during integration planning.

Part Context

This device belongs to Texas Instruments' ISO67xx family of automotive digital isolators. It complements other isolated transceivers by providing galvanic separation between control and power stages. The series emphasizes safety compliance and signal integrity in high-noise automotive electrical architectures.

Replacement Considerations

Check for direct pin-to-pin replacements within the same isolation voltage class. Verify functional equivalence regarding data rate and propagation delay if substituting with similar models from the same manufacturer or competitors.