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BQ25790: BC1.2 Unknown Adapter and HVDCP

Part Number: BQ25790

Hi team,

When customer check BC1.2 works, some USB power supply are detected as Unknown Adapter.

Is an adapter that does not fall under either Non-Standard Adapter or HVDCP determined to be an Unknown Adapter in the following flow in the specification?

What does HVDCP means? Is it TI original detection state?

Best regards,

Hayashi