Cx31993 Datasheet Fix Jun 2026

What your specific board or dongle is showing (e.g., completely dead, noise, specific OS errors).

And if you are genuinely an engineer who needs the electrical specifications? The CX31993 datasheet is available only under NDA from Synaptics. Contact their support with a business email and a valid project name. For everyone else, the “datasheet” is a red herring—stick to the software fixes outlined here. Cx31993 Datasheet Fix

Connected to the 5V rail of the USB-C port. Requires a local decoupling capacitor network (typically 4.7µF parallel with 100nF ceramic) close to the pin. What your specific board or dongle is showing (e

) utilizes a correct pull-up resistor configuration (typically 100kΩ to 1MΩ depending on the exact circuit variant). Isolate the analog ground ( AGNDcap A cap G cap N cap D ) from the digital ground ( DGNDcap D cap G cap N cap D ) using a ferrite bead to eliminate ground loops. 2. Firmware and Software Fixes: Solving Connectivity Drops Contact their support with a business email and

If you experience or connection drops when moving the cable , no registry tweak will help. Return the dongle and buy one from a reputable manufacturer that publishes its own application notes (the consumer-friendly version of a datasheet).

When implementing this chip, three primary symptoms indicate a configuration error: