Texas Instruments

SN65220DBVRG4

SN65220DBVRG4 Description

The SN65220DBVRG4 from Texas Instruments is a mixed-technology TVS (Transient Voltage Suppressor) device designed for robust protection in USB applications. With a clamping voltage of 7V, it safeguards sensitive circuits from voltage transients, ensuring reliable operation in demanding environments. Packaged in a compact SOT23-6 surface-mount form factor, this obsolete but RoHS3-compliant device remains relevant for legacy designs requiring high-performance transient suppression. Its REACH Unaffected status and Moisture Sensitivity Level (MSL) 1 rating make it suitable for long-term storage and assembly in humid conditions.

SN65220DBVRG4 Features

• 7V Clamping Voltage: Effectively limits overvoltage spikes to protect downstream components.
• Mixed-Technology Design: Combines TVS diodes with other protection elements for enhanced performance.
• Compact SOT23-6 Package: Ideal for space-constrained PCB layouts.
• RoHS3 Compliant & REACH Unaffected: Meets stringent environmental regulations.
• MSL 1 (Unlimited): No baking required before assembly, simplifying production workflows.
• Single-Circuit Protection: Dedicated protection for one signal line, ensuring targeted defense.

SN65220DBVRG4 Applications

• USB Port Protection: Shields USB 2.0/1.1 interfaces from ESD and surge events.
• Consumer Electronics: Used in smartphones, tablets, and peripherals requiring transient suppression.
• Industrial Interfaces: Protects communication ports in harsh environments.
• Legacy Systems: Maintains compatibility with older designs needing reliable overvoltage protection.

Conclusion of SN65220DBVRG4

The SN65220DBVRG4 excels in USB and mixed-signal protection, offering a balance of compact size, robust clamping performance, and compliance with environmental standards. While obsolete, its 7V clamping capability and SOT23-6 packaging make it a pragmatic choice for designs prioritizing transient immunity. Engineers working on legacy or cost-sensitive projects will find this device a reliable solution for safeguarding critical interfaces.