Staff Application Engineer - Digital Multi-Phase Controller

Job Title

Staff Application Engineer - Digital Multi-Phase Controller

Role Summary

Lead validation, characterization, and customer-facing support for digital multi-phase power management products. Work with Product Engineering, R&D, Firmware, and Marketing to define product behavior, configurations, and documentation to meet customer use-cases.

Experience Level

Senior. Typically requires 5+ years of relevant experience in power management or equivalent industry experience.

Responsibilities

Primary responsibilities include lab validation, cross-functional coordination, test automation, and customer technical support.

• Plan and execute product validation and characterization to demonstrate performance, robustness, and customer fit.
• Collaborate with Product Engineering, R&D, Firmware, and Marketing to convert customer requirements into features and roadmap input.
• Design test plans, automate bench measurements where applicable (Python/C), analyze results, and produce concise reports for release and customer communication.
• Create and review customer-facing collateral: datasheets, application notes, user guides, design guidelines, and troubleshooting FAQs.
• Support silicon bring-up and customer configuration (GUI/firmware/PMBus), including loop compensation guidance, sequencing, and telemetry setup.

Requirements

Key technical skills and professional capabilities required or preferred for the role.

• Must-have: Experience with digitally enabled power management products and applying control loop theory to power converters.
• Must-have: Proficiency with lab instruments (network analyzers, oscilloscopes, waveform generators) and experience automating lab testing.
• Must-have: Proficiency in Python, C, or similar languages for test automation and tooling.
• Must-have: Familiarity with PMBus, AVS, or similar power-management protocols.
• Must-have: Data analysis skills using Excel, JMP, or equivalent tools.
• Must-have: Strong oral and written communication skills.
• Nice-to-have: Direct experience with multiphase DC/DC converters.

Education Requirements

Minimum: Bachelor's degree plus 5 years' relevant experience, or Master's degree plus 3 years' relevant experience in Engineering or a technical field related to power management. Preferred: Bachelor's +8 years or Master's +5 years. Equivalent practical experience in the power management industry may be acceptable.

About the Company

Company: Renesas

Headquarters: Hitachinaka, Japan

Renesas is a global leader in embedded semiconductor solutions, providing high-quality products across automotive, industrial, infrastructure, and IoT sectors. With over 22,000 employees in more than 30 countries, the company focuses on scalable solutions that enhance user experience and drive innovation while committed to sustainability and energy efficiency.