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Compact USB-CAN debugger with DB9 connector and isolation circuit

SMUGDESK

SMUGDESK USB to CAN Debugger CAN2.0A/B Analyzer

SKU CH-Z3H0-TDQSQ

USB-CAN bus analyzer captures CAN packets and debugs ECUs with isolation protection and cross-platform software

  • Real-time CAN capture and filtering for ECU debugging
  • CAN2.0A/B compliant with 10Kbps–1Mbps adjustable baud rate
  • USB2.0 plug-and-play power for portable field use
  • Built-in isolation protects against industrial voltage surges
  • Windows 11/10/8/7, Linux and Raspberry Pi SDK support

Professional USB-CAN Bus Analyzer

The SMUGDESK USB to CAN Debugger is a compact adapter that lets engineers and technicians capture, filter and log CAN bus traffic directly from a PC. It targets automotive ECU diagnostics, industrial PLC testing and embedded development work where real-time packet analysis is required.

USB 2.0 Interface Limits

The device draws power and communicates over a single USB 2.0 connection, so no external supply is needed. Bandwidth is constrained by the USB 2.0 link and the configurable CAN baud rate range of 10 Kbps to 1 Mbps, which defines the maximum sustainable capture throughput.

CAN 2.0A/B Protocol Support

The single specification that decides suitability is full compliance with both CAN 2.0A and CAN 2.0B standards, covering standard and extended frames. If your application uses a different bus protocol or requires higher-layer stacks not handled by the supplied software, this analyzer will not meet the need.

How it compares

Measured against everything we stock in USB Adapter Cables & Dongles, at today’s prices. Recalculated every night.

Price $30.99
Pricier than about 88% of the 1,430 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Which version of the CAN protocol does this analyzer support?

It fully complies with both CAN2.0A and CAN2.0B standards, handling standard frames, extended frames, data frames and remote frames.

What baud-rate range can I actually use when the adapter is connected to a live bus?

The software lets you adjust the baud rate from 10 Kbps up to 1 Mbps to match the network speed of your ECU or industrial PLC.

How does the USB 2.0 link affect capture performance in practice?

The USB 2.0 connection provides plug-and-play power and data transfer without an external supply, while the built-in isolation circuit protects the host from voltage surges on the bus.

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