Every chip that ships, from a commodity power-management IC to a flagship SoC, moves through a disciplined Product Life Cycle (PLC): a sequence of gated reviews that turns a market opportunity into a committed engineering program, and a committed program into volume silicon. The PLC isn't paperwork for its own sake. It's how a company keeps hundreds of engineers, architects, and suppliers pointed at the same target as a design moves from a slide deck to a wafer.
Most semiconductor organizations run some version of the same skeleton, even when the internal names differ: a concept and planning stage where the opportunity is sized and a rough architecture is sketched; a definition and commit stage where requirements are locked and resources are formally allocated; an execution stage covering RTL, verification, and physical design through tapeout; and a qualification and ramp stage that carries first silicon through bring-up, reliability qualification, and production ramp before the part settles into sustaining and, eventually, end-of-life. Each transition between stages is a gate: a formal review where a defined set of deliverables must be complete before the program is allowed to advance and consume the next stage's budget and headcount.
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