ISO7331FCQDWRQ1

Overview

The ISO7331FCQDWRQ1 is a general-purpose digital isolator featuring three unidirectional channels in a 16-pin SOIC package. It operates with a supply voltage range of 3V to 5.5V and supports data rates up to 25Mbps. The device provides 3000Vrms isolation voltage and a minimum common-mode transient immunity of 25kV/µs. It is qualified under AEC-Q100 standards for automotive applications, ensuring reliability across an operating temperature range of -40°C to 125°C.

Feature Summary

• Provides robust electromagnetic compatibility (EMC) performance suitable for harsh environments
• Features low power consumption characteristics for energy-efficient operation
• Utilizes capacitive coupling technology for signal transmission without magnetic interference

Applications

• Automotive electronic control units requiring isolated communication interfaces
• Industrial automation systems needing reliable galvanic isolation
• On-board charging infrastructure for electric vehicles

Procurement Notes

Verify the specific suffix 'C' indicates the correct channel configuration and output state for your design requirements. Confirm that the 16-SOIC package dimensions match your PCB footprint constraints. Ensure the supplier provides documentation confirming AEC-Q100 qualification status for automotive deployment compliance.

Selection Notes

Select this component when a triple-channel unidirectional isolator is required for automotive-grade applications. Consider the 25Mbps data rate limit against your system's bandwidth needs. Evaluate the 3000Vrms isolation barrier against the voltage stress levels present in your circuit topology to ensure adequate safety margins.

Part Context

This part belongs to the ISO733x-Q1 family of digital isolators from Texas Instruments. These devices are designed to offer high reliability and low power consumption. The family utilizes advanced capacitive isolation technology to provide signal integrity while maintaining electrical isolation between different ground domains.

FAQ

What is the maximum common-mode transient immunity of the ISO7331FCQDWRQ1?

The device offers a minimum common-mode transient immunity of 25kV/µs.

Is the ISO7331FCQDWRQ1 suitable for automotive applications?

Yes, it is qualified according to the AEC-Q100 standard for automotive use.