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About the Role

Seeking an outstanding engineer to support system-level Power Distribution Network (PDN) design, analysis, and validation for Mac and Accessory products. This role requires deep knowledge of PDN design, analysis, and validation methods, working with multi-functional teams to design and implement power supply network solutions, validate impedance and droop targets, and verify power supply quality through lab and in-situ silicon measurements.

Responsibilities

• Perform pathfinding studies in the silicon development phase, providing feedback on system integration tradeoffs to silicon and packaging teams.
• Complete target impedance analysis, transient voltage droop, and phase margin/stability analysis.
• Guide and collaborate with the system team on component selections for optimal power solutions under various load and performance states.
• Work with System Design teams to provide detailed layout strategy and guidelines during the design execution phase.
• Collaborate with HW Validation teams to develop test-suites for system-level validation and evaluation of design margins on power domains.
• Provide power integrity support throughout the product design process, including system pathfinding, verification stages, and characterization reviews through production and ramp.

Requirements

• M.S. Degree with 4-7 years of relevant work experience.
• Proven technical understanding of power supply architectures, including voltage regulator technologies, PDN modeling, and PCB design practices for PDN design and optimization.
• Proficiency with tools for 2.5D (PowerSI, SIWave, Sentinel-PI, nSys), 3D Full wave (HFSS, nWave), and quasi-static (Q3D, nApex) analysis.
• Relevant proven understanding of HSPICE, Spectre, AMS, and Simplis models for system-level transient droop analysis.
• Understanding of die-package-board power delivery network co-design constraints and tradeoffs.
• Ability to work with multiple cross-functional teams to make system performance tradeoffs.

Skills

• Power Distribution Network (PDN) design
• Power Distribution Network (PDN) analysis
• Power Distribution Network (PDN) validation
• Power supply architectures
• Voltage regulator technologies
• PDN modeling
• PCB design practices
• 2.5D analysis tools (PowerSI, SIWave, Sentinel-PI, nSys)
• 3D Full wave analysis tools (HFSS, nWave)
• Quasi-static tools (Q3D, nApex)
• HSPICE
• Spectre
• AMS
• Simplis models
• System-level transient droop analysis
• Die-package-board power delivery network co-design
• System performance tradeoffs
• Multi-phase Buck/Boost converter design principles
• LDO design principles
• CPM (Chip-Power-Model) usage for system transient analysis
• Package or board layout with Cadence tools
• Python
• MATLAB
• Documentation skills
• Communication skills
• Independent work
• Mentoring
• Innovation

Experience Level

• 4-7 years relevant work experience (M.S.)
• 3-4 years experience (Ph.D.)

Education Level

• M.S. Degree
• Ph.D.

About the Company

• The Mac organization is looking for an outstanding engineer to support the system-level Power Distribution Network (PDN) design, analysis and validation aspects of Mac and Accessory products development.