ISO6762FQDWRQ1

Overview

The ISO6762FQDWRQ1 is an automotive-grade digital isolator from Texas Instruments, featuring six channels with a 4/2 channel configuration. It supports bidirectional data transmission at speeds up to 50 Mbps and offers high common-mode transient immunity of 100 kV/µs. The device operates within a supply voltage range of 1.71 V to 5.5 V and provides 5000 Vrms insulation strength via capacitive coupling. Packaged in a 16-pin SOIC (DW) format, it functions reliably across temperatures from -40°C to +125°C.

Feature Summary

• Provides robust galvanic isolation for automotive applications using capacitive coupling technology.
• Supports bidirectional signal transmission with flexible 4/2 channel configuration.
• Delivers high-speed data integrity with 50 Mbps throughput and 100 kV/µs common-mode transient immunity.
• Ensures wide operational flexibility with low-voltage logic support ranging from 1.71 V to 5.5 V.

Applications

• Automotive gateway systems requiring multi-channel isolation
• Inverter control circuits in electric vehicles
• Battery management system communication interfaces
• Advanced driver-assistance system sensor isolation

Procurement Notes

Verify the complete part number including the Q1 suffix to confirm AEC-Q100 automotive qualification status. Ensure the DW package variant matches the required PCB footprint dimensions. Confirm that the specific revision level meets project specifications for manufacturing compatibility. Cross-reference datasheet electrical characteristics against system requirements before finalizing procurement orders.

Selection Notes

Select this component when bidirectional communication is required alongside high channel density in a single package. The 4/2 split allows optimized layout for asymmetric data flows typical in automotive networks. Consider the 1.8V logic support if interfacing with low-power microcontrollers or sensors. Evaluate the 100 kV/µs CMTI rating against noise environments to ensure signal integrity without additional filtering.

Part Context

This device belongs to the ISO6762-Q1 family of automotive digital isolators. It complements other TI solutions like the unidirectional ISO6760 by offering bidirectional capability. The SOIC-16 package aligns with industry-standard footprints for space-constrained automotive electronics. It serves as a key interface component between isolated and non-isolated domains in complex vehicle architectures.

Replacement Considerations

Direct substitutes include the ISO6760FQDWRQ1 for unidirectional applications or the ISO6761FQDWRQ1 for different channel configurations. Verify pin-to-pin compatibility and insulation ratings when swapping. Ensure the replacement maintains the same AEC-Q100 qualification and thermal performance characteristics for seamless integration.

FAQ

What is the maximum common-mode transient immunity of the ISO6762FQDWRQ1?

The device provides a typical common-mode transient immunity of 100 kV/µs, ensuring reliable operation in high-noise automotive environments.

Does the ISO6762FQDWRQ1 support shutdown mode?

No, the ISO6762FQDWRQ1 does not feature a shutdown pin; it operates continuously once powered within its specified voltage range.

What is the propagation delay characteristic of this isolator?

The typical propagation delay is 11 ns, supporting fast data transmission rates up to 50 Mbps with minimal latency.