TPS544B25: BP3 and BP6

Hirotsugu Kobayashi 

Hirotsugu Kobayashi said:

When will BP3 and BP6 be enabled?
Is it always enabled regardless of the CNTL terminal?

Yes.  BP3 and BP6 are enabled by VDD as soon as VDD has sufficient voltage to power their control circuitry, well below the VDD UVLO.