Нашел сам.
Если кому интересно, микросхема представляет собой
сборку диодов для защиты USB.
NUP2201MR6,
SZNUP2201MR6
Transient Voltage
Suppressors
ESD Protection Diodes with Low
Clamping Voltage
The NUP2201MR6 transient voltage suppressor is designed to
protect high speed data lines from ESD, EFT, and lightning.
Features
• Low Clamping Voltage
• Stand−Off Voltage: 5 V
• Low Leakage
• Protection for the Following IEC Standards:
IEC 61000−4−2 Level 4 ESD Protection
• UL Flammability Rating of 94 V−0
• SZ Prefix for Automotive and Other Applications Requiring Unique
Site and Control Change Requirements; AEC−Q101 Qualified and
PPAP Capable
• These Devices are Pb−Free and are RoHS Compliant
Typical Applications
• High Speed Communication Line Protection
• USB 1.1 and 2.0 Power and Data Line Protection
• Digital Video Interface (DVI)
• Monitors and Flat Panel Displays
Схема включения полностью совпадает с разводкой на плате.