Introduction to Foc.us V3 Regulation

Consumer tDCS devices must maintain precise current regulation regardless of changing skin resistance.

Technical illustration
Fig 1. Constant current regulator schematic

Technical Specifications

We tested the V3 across varying loads (1k to 10k ohms) to ensure the hardware never exceeded the set 2.0mA limit.

Data & Methodology

ParameterClinical StandardConsumer Average
Max Current2.0 mA2.0 mA
Voltage Limit24 VUnknown

Frequently Asked Questions

Can it burn me?

Yes, if the electrode dries out, the current density will spike even if the absolute current remains at 2.0mA.

Next Steps

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