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TPA3116D2: BTL vs PBTL Loads

Part Number: TPA3116D2

The TI  page for TPA3116 says this:

"The TPA31xxD2 series are stereo efficient, digital amplifier power stage for driving speakers up to 100 W / 2 Ω in mono."

Does this mean TPA3116 can safely run a 2ohm load in PBTL mode if proper cooling is in the application?

But later down on the TI page it says "Load (min)(ohms) 4", so does this mean BTL mode?

The 2ohm statement seems odd because the specs advertise 2x50w(4ohm), which is essentially 100w 4ohm.

The TI page I speak of is TI dot com /product/TPA3116D2

Can you please clarify.