4DIR1401HXUMA1

Overview

The Infineon Technologies 4DIR1401HXUMA1 is a discontinued SPI digital isolator from the ISOFACE™ family, utilizing magnetic coupling technology. It features four bidirectional channels with a 5700Vrms isolation voltage and a data rate of 40Mbps. The device offers a minimum common-mode transient immunity (CMTI) of 100kV/µs and operates within a supply voltage range of 2.7V to 6.5V. Packaged in a 16-SOIC housing, it supports an operating temperature range of -40°C to 125°C and holds AEC-Q100 automotive qualification.

Feature Summary

• Provides robust high-voltage galvanic isolation between circuit sections using magnetic coupling technology.
• Ensures signal integrity in noisy environments through high common-mode transient immunity capabilities.
• Supports bidirectional data transmission across four independent channels for complex system interfacing.

Applications

• Automotive electronic control units requiring certified isolation
• Industrial communication interfaces demanding high noise immunity
• Power electronics gate drive circuits

Procurement Notes

This component is officially scheduled for obsolescence and will be discontinued by the manufacturer. Procurement should focus on verifying end-of-life status and sourcing available surplus inventory from authorized distributors. Designers must initiate replacement strategies immediately due to limited future availability.

Selection Notes

Select this part only for legacy maintenance or specific existing designs where pin compatibility is critical. Evaluate alternative ISOFACE™ devices that offer similar isolation ratings and channel configurations but remain in active production to ensure long-term supply chain stability.

Part Context

Part of the ISOFACE™ digital isolator series, designed for applications requiring precise timing and low power consumption. The 4DIR1401 variant specifically addresses bidirectional communication needs within automotive and industrial sectors, leveraging Infineon's proprietary magnetic coupling architecture for reliable performance.

Replacement Considerations

Verify parameter-equivalent alternatives such as 4DIR1400HXUMA1 or 4DIR1421HXUMA1. Ensure functional compatibility regarding channel directionality and isolation voltage before substitution.

FAQ

Is the 4DIR1401HXUMA1 currently in production?

No, the manufacturer has scheduled this part for obsolescence and discontinuation.

What is the maximum data rate supported by this isolator?

The device supports a data rate of 40Mbps.