It is a SOT-23-6, probably a voltage regulator, used in a 3.3V controlled suction pump (Elephant Robotics https://www.amazon.com/gp/product/B09PH8YCVM). They had the cable wired backward, so I think that is why it blew.
Marking seems to be "WBDCD". Google isn't being helpful. Any chance of identifying it?