Power Integrity Engineer - Apple Mac

Austin,Texas,United States

Hardware

Apple is seeking an enthusiastic electrical engineer for the Mac Engineering Team. As a part of the Mac team, you will help with concept and feature development, rapid prototyping, 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! You should have deep knowledge and familiarity with power delivery network design, analysis and validation methods. You will work with multi-functional teams design and implement a power supply network solution, develop and validate impedance and droop targets and verify the quality of the power supply using lab and in-situ silicon measurements.

Description

The role involves pathfinding studies in silicon development phase where feedback is provided to silicon and packaging team on system integration tradeoffs. Ability to complete target impedance analysis, transient voltage droop and phase margin/stability analysis is required. The candidate is expected to work closely with System Design teams to provide detailed layout strategy and guidelines during design execution phase. The candidate is also expected to work with HW Validation teams to develop test-suites to perform system-level validation for evaluation of design margins on the power domains. The roll includes the PI support through the specific project design process which can include system pathfinding and verification stages, and characterization reviews with continuing guidance through production and ramp.

Minimum Qualifications

• M.S. Degree with 4 - 7 years relevant work experience

• PCB and PKG layout skill - plus

• You must have proven technical understanding of power supply architectures covering voltage regulator technologies, power distribution network (PDN) modeling, PCB design practices and trade-offs for PDN design and optimization

• You should have a good understanding of multi-phase of Buck/Boost converter and LDO design principles, operating modes, and system integration care-abouts

• Working knowledge in 3D/2D EM simulation tools, electromagnetic modeling and transmission line theory is required

• Skills with associated tools for 2.5D (PowerSI, SIWave, Sentinel-PI, nSys), 3D Full wave (HFSS, nWave), quasi-static tools (Q3D, nApex) is required

• Relevant proven understanding of HSPICE, Spectre, AMS, and Simplis models for system-level transient droop analysis is also vital

• In this role, you will be encouraged to have understanding of die-package-board power delivery network co-design constraints and tradeoffs.

Key Qualifications

Preferred Qualifications

• PhD (preferred) with minimum 3 - 4 years experience

• Deep Experience in CPM (Chip-Power-Model) usage for system transient analysis is an added benefit

• Experience with Perl, Python or other scripting languages is desired. MATLAB Experience is a plus

• Excellent documentation and communication skills, ability to work independently, a desire to mentor, and demonstrated ability to innovate are required

• Candidate is expected to have demonstrated experience in driving initiatives that improved process, procedures, and result quality

Education & Experience

Additional Requirements

• Apple is an equal opportunity employer that is committed to inclusion and diversity. We take affirmative action to ensure equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics.Learn more about your EEO rights as an applicant. (https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf)

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