Patent ID: 11967528
Assignee: APPLE INC.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An apparatus comprising:
a passive device integrated circuit (IC) die having one or more passive circuit devices implemented thereon;
a plurality of solder balls coupled to the passive device IC die;
a voltage regulator controller circuit comprising one or more circuit elements of a voltage regulator circuit; and
an interconnect layer arranged between the passive device IC die and the voltage regulator controller circuit, wherein the interconnect layer is electrically coupled to the voltage regulator controller circuit and further coupled to the passive device IC die by a first plurality of electrical connectors, and further coupled to the plurality of solder balls by corresponding ones of a second plurality of electrical connectors, wherein the second plurality of electrical connector comprise a plurality of connecting vias passing through the passive device IC die.