Production / Operations
ROHM PLECS Simulator Now Available for Rapid Power Electronics Circuit Verification
Product Ecosystem Expansion

Executive Summary
- The most recent release (May 28, 2026) announces the availability of the "ROHM PLECS Simulator" on its official website.
- This tool allows circuit designers to perform rapid online simulation of power device operation, specifically loss and thermal calculations during early development stages.
- Access is free upon registration; current availability includes 20 different topologies with plans to expand to SiC devices and IGBTs.
- Historical news from May 21, 2026, details the launch of ESD protection diodes for high-speed interfaces (>10 Gbps) targeting automotive ADAS and industrial AI servers.
- News from May 19, 2026, covers scalable power supply solutions for Automotive SoCs (ADAS/DMS), with mass production already commenced.
- A consistent pattern of product launches is observed throughout the provided period (Oct 2025 - May 2026), focusing on Power Semiconductors (SiC, GaN, MOSFETs) and Sensors.
- No financial results or earnings guidance are included in the provided news releases; all data points to operational updates and product availability.
Material Impact
- The PLECS Simulator launch is a customer support tool rather than a direct revenue generator; it facilitates adoption of ROHM's power devices but does not materially alter the company's financial outlook on its own.
- Previous announcements regarding 5th Generation SiC MOSFETs (April 2026) and GaN licensing with TSMC (Feb 2026) indicate strategic positioning in high-growth sectors (EV, AI Servers), but these are incremental steps consistent with prior strategy rather than sudden pivots.
- The news is entirely positive regarding product capability but lacks quantification of revenue impact or order backlogs.
- There is no evidence of negative sentiment, supply chain disruption, or regulatory hurdles in the provided text.
- Given the lack of financial context, the materiality is limited to operational confidence rather than stock price catalysts based solely on this data.
6963 · Price
Company Overview
- Company: ROHM Semiconductor (implied from news context).
- Flagship Focus: Power Semiconductors, specifically Silicon Carbide (SiC) MOSFETs and Modules under the EcoSiC™ brand.
- Development Status: Continuous expansion of SiC capabilities (4th Gen to 5th Gen announced in April 2026) with a focus on high-efficiency applications like EV powertrains and AI server infrastructure.
- Product Portfolio: Extensive range including LDO regulators, MOSFETs, Motor Drivers, Sensors, and ESD protection diodes across Automotive, Industrial, and Consumer sectors.
- Manufacturing: Vertically integrated production system with internal capability for SiC; recently licensed TSMC GaN process technology to be integrated by 2027.
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