ISO7341FCQDWRQ1

Overview

The ISO7341FCQDWRQ1 is an automotive-grade digital isolator from Texas Instruments, featuring four channels in a unidirectional configuration. It operates within a supply voltage range of 3 V to 5.5 V and supports data rates up to 25 Mb/s. The device provides galvanic isolation with an insulation voltage of 3000 Vrms and a common-mode transient immunity of 25 kV/µs. It exhibits a propagation delay of 31 ns and functions reliably across a temperature range of -40°C to +125°C. Packaged in a 16-pin SOIC (DW) format, it draws operating currents of 5 mA and 7.8 mA.

Feature Summary

• AEC-Q100 qualified for automotive applications ensuring reliability under harsh conditions
• High common-mode transient immunity capability for robust signal integrity
• Low-power operation suitable for energy-efficient system designs

Applications

• Automotive gate driver circuits
• Inverter control systems
• Motor drive interfaces

Procurement Notes

Verify the specific suffix QDWRQ1 matches the required package and tape-and-reel specifications. Confirm AEC-Q100 Grade 1 qualification aligns with project thermal requirements. Ensure the 3000 Vrms isolation rating satisfies safety standards for the intended application environment. Cross-reference the SOIC-16 footprint dimensions against PCB layout constraints prior to procurement.

Selection Notes

Select this component when unidirectional signal transmission is required for automotive power electronics. The 25 Mb/s data rate suits standard communication protocols in motor control. Consider the 31 ns propagation delay for timing-sensitive applications. The wide operating temperature range supports deployment in engine compartments or under-hood environments without additional thermal management.

Part Context

This part belongs to the ISO7341 family of low-power quad-channel digital isolators designed specifically for automotive use. It complements higher-speed variants like the ISO6741 series by offering optimized performance for general-purpose isolation tasks where moderate data rates are sufficient. The family shares similar packaging and interface characteristics to facilitate design scalability.

Replacement Considerations

ISO7341FCDRQ1 offers the same electrical specifications in a smaller WSON package. ISO7341FCQDWR is the non-automotive grade equivalent with identical pinout and functionality but lacks AEC-Q100 certification.