What onsemi Does

onsemi (formerly ON Semiconductor) is a global leader in intelligent power and sensing technologies. The company designs and manufactures a vast portfolio of semiconductor-based solutions essential for the electrification of the automotive industry, sustainable energy grids, industrial automation, and cloud infrastructure. Its products, including power management ICs, image sensors, and discrete components, are fundamental building blocks that enable efficiency, safety, and connectivity across the modern economy. Headquartered in Scottsdale, Arizona, and employing over 10,000 people, onsemi operates a global network of manufacturing facilities, including wafer fabs and assembly/test sites, serving a diverse and demanding customer base.

Why AI Matters at This Scale

For a capital-intensive manufacturer like onsemi, operating at a global scale with thin margins, operational efficiency is paramount. AI presents a transformative lever to optimize every stage of the value chain, from chip design to final delivery. At this size band (10,001+ employees), even marginal percentage gains in yield, equipment uptime, or supply chain efficiency translate to tens or hundreds of millions of dollars in annual savings or revenue growth. Furthermore, the complexity of designing next-generation semiconductors for AI applications themselves requires AI-powered tools. Failure to adopt these technologies risks ceding competitive advantage in both product performance and cost structure.

Concrete AI Opportunities with ROI Framing

1. AI-Optimized Fabrication Yield: Semiconductor manufacturing involves thousands of process steps. Machine learning models can analyze petabytes of historical fab data to identify subtle, multivariate correlations that impact yield. By pinpointing the root causes of yield loss—whether in lithography, etching, or deposition—onsemi can make precise adjustments. A 1-2% yield improvement in a multi-billion-dollar fab can deliver an annual ROI well into the nine figures, paying for the AI initiative many times over.

2. Predictive Maintenance for Capital Equipment: Wafer fabrication tools are extremely expensive and their unscheduled downtime is catastrophic for production flow. Implementing AI-driven predictive maintenance by analyzing real-time sensor data (vibration, temperature, pressure) allows for maintenance to be scheduled just before likely failure. This minimizes surprise outages, extends tool life, and reduces costly emergency part orders. The ROI is direct: increased tool availability and throughput, leading to higher wafer output without additional capital expenditure.

3. Intelligent Supply Chain and Demand Sensing: onsemi's products are critical components for automotive and industrial customers with volatile demand cycles. AI models can ingest diverse external data—such as automotive production forecasts, commodity prices, and geopolitical events—alongside internal sales data to create more accurate demand forecasts. This reduces inventory carrying costs for over-forecasted items and prevents revenue loss from stock-outs on high-demand products, optimizing working capital and customer satisfaction.

Deployment Risks Specific to Large Enterprises

Deploying AI in an organization of this size and technical complexity carries specific risks. Data Silos and Integration: Legacy manufacturing execution systems (MES), ERP platforms, and design databases often reside in isolated systems. Creating a unified data lake for AI requires significant IT investment and cross-departmental cooperation. Talent Scarcity: Attracting and retaining data scientists with both AI expertise and deep semiconductor physics/process knowledge is difficult and expensive. Model Explainability and Validation: In a high-reliability manufacturing environment, "black box" AI models are untenable. Engineers need to understand and trust AI recommendations, especially for process changes, requiring a focus on explainable AI (XAI) and rigorous, slow-rollout validation in non-critical lines first. Organizational Inertia: Shifting the culture of seasoned engineers and operators from experience-based decision-making to data- and AI-driven recommendations requires careful change management and clear demonstration of value.