QGBXF 1.8V input synchronous buck regulator, with Antminer T17+ hash board 11 voltage domains, 4 ASIC chips in each domain, QGBXF 1.8V provides power supply for each domain's ASIC chip BM1397AG, which is the T17+ hash board The indispensable core power supply 0.8V (TT2102-ADJ) and 1.8V LDO regulator.

It has the same function as the product SY8120I.