The Application dimension of Automotive Power Management Chip segmentation classifies chips by the vehicle systems they energize. Powertrain modules, encompassing electric motor drives and transmission controls, dominate the market, accounting for roughly 40 % of total revenue because they require high‑current, high‑efficiency conversion to meet electrification targets. Infotainment subsystems, such as head‑unit displays and audio amplifiers, represent about 25 % of sales, driven by the proliferation of connected‑car services that demand stable voltage rails and low‑noise supplies. Advanced Driver Assistance Systems (ADAS) consume close to 20 % of the market, reflecting the growing integration of radar, lidar, and camera processors that rely on precise power sequencing and rapid response. Finally, Body & Comfort functions—including lighting, HVAC, and power‑window actuators—contribute the remaining 15 %, where cost‑effective, compact regulators are prioritized. Together, these application segments shape the overall market size by aligning chip design priorities with vehicle architecture trends.