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Power
PMIC
Power Management Integrated Circuit
A single chip that does many regulators + sequencing. Common with SoCs.
How it looks
Drawing: this is not on CORE3588, so it is drawn
A PMIC replaces several separate regulators. CORE3588 has none of its own; the computer module it carries has its own PMIC on board.
How it works
Where it fits
A PMIC bundles buck, LDO and sometimes boost stages; it is standard next to an SoC or on a SoM.