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TAS5634: Are 4 inductors recommended for PBTL?

Part Number: TAS5634


I am looking to implement a 250W RMS in to 4Ω in PBTL. In the TAS5634 data sheet the Typical PBTL config (Fig 29) shows the use of 4 inductors, one each for OUTA,B,C,D. Is this required to prevent over current issues, and cross conduction, or can OUTA,C and OUTB,D, and their bootstrap pins be tied together and used with shared output inductors? The goal would be to reduce the 4 inductors down to 2.

I know there can be issues with synchronization between output devices in paralleled configurations.