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Compute

SubstituteCore: Robotics, EV / auto, Consumer / IoT, IndustrialHigh: AI training, AI inference

Analog / power management

China has many analog and power chip suppliers, but frontier reliability and high-end automotive/industrial qualification remain hard.

The simple version

Analog and power chips translate between the messy physical world and digital systems. They manage voltage, battery charging, motor power, radio signals, and sensor inputs.

What the technology does

  • Digital chips think in 0s and 1s. Analog chips deal with continuous signals like voltage, current, temperature, sound, and radio waves.
  • Power management ICs make sure devices get the right power at the right time without wasting energy or overheating.
  • The hard part is not only design. It is reliability over millions of units, in heat, vibration, and messy real-world environments.

Market scale

  • Texas Instruments is the analog reference, with annual revenue in the mid-teens of billions of dollars.
  • Infineon, Analog Devices, STMicroelectronics, onsemi, and NXP are major global players, especially in auto and industrial.
  • The market is broad and sticky. Customers care about reliability, supply assurance, and design support as much as price.
Global references
  • Texas InstrumentsUnited States · TXN
  • Analog DevicesUnited States · ADI
  • InfineonGermany · IFX.DE
  • STMicroelectronicsSwitzerland · STM
  • onsemiUnited States · ON

China angle

SG Micro, 3PEAK, Novosense, Silergy, Maxscend, Southchip, and Silan Micro show how broad China's analog push has become. Domestic suppliers can win in consumer and industrial niches, but high-end auto and power reliability are slower fights.

China references

How we got here

Analog is an old semiconductor category, but it became more strategic as EVs, renewable energy, robotics, and battery-powered devices made power efficiency a board-level issue.

  1. Pre-2010

    Analog is dominated by long-lived industrial and consumer design-ins.

  2. 2010s

    Smartphones and IoT raise demand for power management, RF, sensors, and battery chips.

  3. 2020s

    EVs, robotics, and data centers make power efficiency strategically visible.

  4. Next phase

    Watch auto-grade wins and whether Chinese suppliers move from replacement parts to preferred designs.

Why it matters

Power, sensing, and signal conditioning are the quiet plumbing behind AI devices, robots, EVs, factories, and consumer electronics.

Main bottleneck

Reliability, mixed-signal design depth, long qualification cycles, and high-end customer trust.

Where this sector shows up

Core
Robotics, EV / auto, Consumer / IoT, Industrial
High
AI training, AI inference

What to watch

  • Auto/industrial design wins
  • Gross margin pressure
  • Reliability certifications
  • Power module integration