US Patent No. 10,973,127

VOLTAGE REGULATOR MODULE


Patent No. 10,973,127
Issue Date April 06, 2021
Title Voltage Regulator Module
Inventorship Yahong Xiong, Taoyuan (TW)
Da Jin, Taoyuan (TW)
Qinghua Su, Taoyuan (TW)
Assignee DELTA ELECTRONICS, INC., Taoyuan (TW)

Claim of US Patent No. 10,973,127

1. A voltage regulator module, comprising:a first circuit board assembly comprising a first printed circuit board;
a second circuit board assembly comprising a second printed circuit board, at least one output capacitor, a plurality of ball grid arrays and at least one bonding pad, wherein the second printed circuit board comprises a first surface and a second surface, the plurality of ball grid arrays are disposed on the second surface of the second printed circuit board, and at least one bonding pad is arranged beside the first surface of the second printed circuit board; and
a magnetic core assembly arranged between the first circuit board assembly and the second circuit board assembly and electrically connected with the at least one bonding pad;
wherein the at least one output capacitor is embedded within the second circuit board assembly;
wherein the first circuit board assembly comprises a first printed circuit board, a plurality of switch elements, the plurality of switch elements are disposed on a first surface of the first printed circuit board;
wherein the magnetic core assembly comprises a magnetic core portion and at least one first copper structure, wherein the magnetic core portion comprises a plurality of openings, and each of the at least one first copper structure is penetrated through two corresponding openings to define at least two inductors, wherein a first terminal of each inductor and the corresponding switch element are connected in series to define a phase circuit.