Exact device and ordering identity
TUSB211ARWBRQ1 is an automotive-qualified USB 2.0 high-speed signal conditioner in the tiny RWB 12-terminal X2QFN package. It is intended to compensate insertion loss on long or lossy USB D+/D− paths between a host and a peripheral, without changing the USB protocol. It is not a USB hub, active repeater with retiming, or USB 3.x redriver. The full ARWBRQ1 ordering identity matters because automotive temperature qualification, supply limits and package footprints differ from commercial members of the family.
Operating and control considerations
TI specifies 2.3 V to 6.5 V supply operation and support for USB 2.0 high-speed 480 Mb/s signaling, with full- and low-speed traffic behavior left unaffected. Selectable edge and DC boost helps recover eye opening on lossy links, but settings depend on cable impedance, attenuation and the USB compliance eye; excessive boost can distort otherwise healthy signals. The stated up-to-5 m cable example requires the specified conditions, and the 10 m use case in the source explicitly uses TWO conditioners, not one. The temperature grade 2 range extends to 105°C ambient under automotive qualification. Its host/device-agnostic behavior does not eliminate the need to observe ESD protection and D+/D− differential routing.
Package, sourcing and engineering trade-offs
For replacements, examine equalization configuration, supported signaling modes, insertion loss budget, package input/output connections, VCC tolerance, off-state behavior and USB eye compliance. A generic bidirectional USB signal conditioner may require different pull-down resistor tuning or differ on full-speed transparency. RFQs should state TUSB211ARWBRQ1, intended cable length/type, target USB speed, connector count, existing eye margin and automotive documentation needs. Do not equate listed USB compatibility with guaranteed compliance of an untested cable assembly.
Manufacturer-verified selection specifications
| Selection parameter | TI-verified value | Engineering condition |
|---|---|---|
| Bus speed | Automotive USB 2.0 480Mbps High-Speed Signal Conditioner | Refer to exact manufacturer operating conditions |
| Qualification | AEC-Q100 qualified for automotive applications | Refer to exact manufacturer operating conditions |
| Temp | Device temperature grade 2: -40°C to 105°C | Refer to exact manufacturer operating conditions |
| Power | Wide supply voltage range: 2.3 – 6.5V | Refer to exact manufacturer operating conditions |
| Supported protocol | Compatible with USB 2.0, OTG 2.0, and BC 1.2 | Refer to exact manufacturer operating conditions |
| Cable length | Supports up to 5m cable length | Refer to exact manufacturer operating conditions |
| Dual device length | Supports up to 10m cable length with two TUSB211A-Q1 devices | Refer to exact manufacturer operating conditions |
| Catalog package | X2QFN-12(1.6×1.6) | Match exact TI mechanical drawing before footprint or replacement approval |
Procurement and datasheet
Request a quotation for TUSB211ARWBRQ1 using the complete orderable number, target quantity and package requirement. Stock, pricing and delivery timing require a direct RFQ confirmation; no on-page availability or price is promised. Source-listed alternative candidates, where present, are for engineering evaluation and do not establish drop-in compatibility.
