Rowel Esquilona Rapsing
Plymouth,MI
Summary
Experienced in electronics with a focus on switched mode power supply/power electronics and wireless charging. Skilled in designing and implementing efficient power solutions for various applications. Proficient in troubleshooting and optimizing electronic systems to ensure peak performance. Adept at staying current with industry trends and technologies to deliver innovative solutions.
Demonstrates strong analytical, communication, and teamwork skills, with proven ability to quickly adapt to new environments. Eager to contribute to team success and further develop professional skills. Brings positive attitude and commitment to continuous learning and growth.
Overview
2026
2026
years of professional experience
Work History
Senior Filed Application Engineer
Power Integrations Inc
04.2024 - Current
- Assisted sales teams with pre-sales technical support, helping close deals with prospective clients effectively.
- Communicated technical development stages and provided design support to key customer.
- Provided exceptional customer support, addressing client concerns and providing timely resolutions to technical issues.
- Rapidly prototyped design proposal to generate report for customer easy presentation.
Senior Field Applications Engineer
Power Integrations-Philippine Branch
09.2023 - 04.2024
- Enhanced customer satisfaction by providing timely and effective technical support for field applications.
- Demonstrated strong expertise in product knowledge, effectively addressing client inquiries and providing tailored recommendations for application solutions.
- Supported Zin design verification and testing
- Mentored junior engineers, sharing industry insights and best practices to elevate team''s overall performance.
- Provide design proposals to customers for their requested applications.
R&D Consultant Engineer
Dongguan Primax Electronics and Communication Products Ltd.
01.2020 - 04.2020
- Design and development of Power Converters for mobile phones and hearing aid.
- Solved and support design issues of other projects.
- Customer Design Proposal and Preparation etc..
- Key Customer : Sivantos
Senior Electronic Engineer
Dongguan Aohai Tehnology Co.,Ltd.
04.2019 - 01.2020
- Design and development of Power Converters (AC-DC/DC-DC) for mobile phones and adaptors.
- Full product cycle design- Paper design, simulation, PCB layout design, Electrical testing and analysis, Prototype, EVT, DVT, Pilot, and Mass Production.
- Facilitates component selection and hardware design for manufacturability.
- Efficiently resolves issues in quality, reliability, safety, EMC, and manufacturability
- Ensures that products fully comply with customer specifications and international standards.
- Preparation and Presentation of Design Proposal to customer
- Key Customer : Google
Senior Electronic Engineer
Sunway Communications (Jiangsu) Co.Ltd
10.2018 - 02.2019
- Coil Module Development for smartphone
- NC sheet and NC die cut development
- Report and Presentation for customer
- Perform DOE and Failure Analysis
- Key Customer : Apple Inc.
Senior Electronic Design Engineer
Salcomp Shenzhen Co.Ltd
02.2017 - 10.2018
- Develop Coil Assembly for iWatch Wireless Charger
- Design and Development of mobile charger
- Design and Development of Adapter
- Designing and Developing Power Supply with PD compatible output
- Perform Electrical Testing and debugging of PSU.
- Perform EMC testing like EMI,ESD, EFT and others...
- Perform Cost Reduction of Mass Production Units.
- Perform Thermal analysis of components and PSU.
- Implement EMI pre-filtering technique
- Key Customer : Apple Inc.
Electronic Design Engineer
Hancon Industrial Company Ltd.
10.2013 - 01.2017
- Design and Development of table lamp with USB port for mobile charging and wireless charging (Qi Technology)
- Design and Development of ceiling light with microwave sensor.
- Designing and Developing Power Supply for LED lighting (LED Bulb, LED street light , LED up light, LED down light, Solar powered LED lighting, Dimmable Bulbs and Dimmable Driver for Ceiling light.)
- Doing FA of units returned from the customer
- Electrical and EMC evaluation and testing.
- New IC and other electronics evaluation.
- Cost reduction.
- Design on Experiment (DoE)
- PCB layout design(Power PCB/ Mentor Graphics software).
- Hand on hand coordination with ME Department and Production.
- TUV approval and certification
- Key Customer : MeliTec from Germany
Electronic Engineer
PI Electronics(HK)Ltd.
- Develop Power Supply for Japanese Leading LED TV and Projector
- (LLC Topology, Boost Topology and Flyback Topology)
- Extensive experience in Local and Overseas On-site production support and sustaining activities (JAPAN,HONGKONG and MALAYSIA).
- Derating evaluation or tolerance analysis of the components before BOM inclusion.
- Trouble shooting and iteration of units before implementing changes in design or changes in component per development stage.
- Perform Electrical Testing of PSU.
- Perform EMC testing like EMI,ESD, EFT and others...
- Perform Cost Reduction of Mass Production Units.
- Perform Thermal analysis of components and PSU.
- Implement EMI pre-filtering technique.
- Factory support in Malaysia, Hongkong and Japan
- Key Customer : Sharp and Toshiba
Electrical Design Engineer
Emerson Network Power
05.2008 - 10.2011
- Design and development of Power Converters (AC-DC/DC-DC) for mobile phones and adaptors.
- -Full product cycle design- Paper design, simulation, PCB layout design, Electrical testing and analysis, Prototype, EVT, DVT, Pilot, and Mass Production.
- Facilitates component selection and hardware design for manufacturability.
- Efficiently resolves issues in quality, reliability, safety, EMC, and manufacturability
- Ensures that products fully comply with customer specifications and international standards.
- Extensive experience in Local and Overseas On-site production support and sustaining activities.
- Driven to provide cost reduction through new component and technology evaluation
- Experiments with new design approaches using the latest available new technologies (with lower costs) in the market.
- Full evaluation of possible component substitutions for cost reduction to increase company profit margins.
- Systematic and well organized preparation of Engineering Documentation
- Provides documents that includes Internal Product Specifications(IPS), Bill of Materials (BOM), Electrical Test Plans, Engineering Change Order (ECO), Process Instructions, FMEA (Failure Mode and Effects Analysis), and DoE (Design of Experiments) Work and deal with clients in the technical side of the mobile charger.
- Qualifying and Evaluating components possible to be included in BOM (Bill of Materials) of the project.
- Key Customers: Nokia , Sony Ericsson, Motorolla and Apple Inc.
Education
Bachelor of Science - Electronics and Communications Engineering
University of The East
Manila , Philippines01.2007
High School - undefined
Lahong Nationalized High School
01.2001
Skills
- Friendly, positive attitude
- Teamwork and collaboration
- Customer service
- Problem-solving
Accomplishments
- Internal EMS( Environmental Management System) Auditor
- Board Passer/Licensed Electronic Engineer (November 2007)
- College Scholar, University of the East (Manila)
- 2nd Place, Engineering Mind Quest 2005, UE Manila
- Class Valedictorian, High School (2000-2001)
Training
- Advanced Power Supply Unit(PSU) Design
- Emerson Network Power-Philippine Branch(Eastwood City Design Center)
- Speaker: Engr.Allan Saliva
- Advanced Platform Engineer
- Power Supply Unit (PSU)Design Safety
- Speaker: Engr.Ericson Aquino
- Agency Compliance Engineer
- Design Failure Mode and Effect Analysis (DFMEA)
- Speaker: Engr.Johann Senia
- Quality Assurance Engineer
- Pre-ElectroMagnetic Interference(EMI)Design Technique
- Speaker: Engr.Roy Closa
- PSU Design Process and Manufacturability
- Speaker: Engr.Patrick Ordonez
- Advanced Manufacturing Engineer
Personal Information
Born in Masbate Philippines on October 18, 1984, a Roman Catholic, married, knowledgeable in Microsoft office and open for new challenges.
Section name
Character References: TBA upon request
Timeline
Senior Filed Application Engineer
Power Integrations Inc
04.2024 - Current
Senior Field Applications Engineer
Power Integrations-Philippine Branch
09.2023 - 04.2024
R&D Consultant Engineer
Dongguan Primax Electronics and Communication Products Ltd.
01.2020 - 04.2020
Senior Electronic Engineer
Dongguan Aohai Tehnology Co.,Ltd.
04.2019 - 01.2020
Senior Electronic Engineer
Sunway Communications (Jiangsu) Co.Ltd
10.2018 - 02.2019
Senior Electronic Design Engineer
Salcomp Shenzhen Co.Ltd
02.2017 - 10.2018
Electronic Design Engineer
Hancon Industrial Company Ltd.
10.2013 - 01.2017
Electrical Design Engineer
Emerson Network Power
05.2008 - 10.2011
High School - undefined
Lahong Nationalized High School
Electronic Engineer
PI Electronics(HK)Ltd.
Bachelor of Science - Electronics and Communications Engineering
University of The East
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