DS99R421ISQ/NOPB

Overview

The DS99R421ISQ/NOPB is a serializer manufactured by Texas Instruments, designed for automotive applications with AEC-Q100 qualification. It converts four FPD-Link LVDS inputs into a single FPD-Link II LVDS output stream. The device supports data rates up to 1.03 Gbps and operates within a supply voltage range of 3 V to 3.6 V. It functions reliably across an ambient temperature range of -40°C to +105°C. The component is housed in a 36-WQFN package measuring 6x6 mm with an exposed pad, suitable for surface-mount installation.

Feature Summary

• Converts parallel FPD-Link LVDS signals to serial FPD-Link II LVDS format
• Automotive-grade reliability certified under AEC-Q100 standards
• Integrated DC-balanced encoding for signal integrity

Applications

• Automotive camera link interfaces
• In-vehicle display connectivity systems
• ADAS sensor data transmission

Procurement Notes

Verify the specific suffix ISQ against the required operating temperature range and package variant. Confirm current lifecycle status as not recommended for new designs due to potential minimum order quantity restrictions or end-of-life implications. Ensure compatibility with existing PCB footprints and thermal management requirements for the 36-WQFN package before finalizing procurement.

Selection Notes

Select this component when interfacing FPD-Link sources with FPD-Link II receivers in automotive environments. Verify that the input signal type matches the LVDS specification and that the system power supply falls within the 3 V to 3.6 V range. Consider the 1.03 Gbps maximum data rate against bandwidth requirements. Check for alternative active parts if long-term availability is critical.

Part Context

This part belongs to the DS99R421 series of serializers from Texas Instruments. It is specifically engineered for high-speed video and data transmission in automotive infotainment and safety systems. The device bridges legacy FPD-Link protocols with newer FPD-Link II standards, facilitating seamless integration in vehicle architectures requiring robust, low-latency connections.

Replacement Considerations

The DS99R421QSQX/NOPB is listed as a parameter-equivalent substitute. Verify pinout compatibility and electrical specifications before substitution. Other family members may require different supply voltages or offer varying feature sets.