Gilberto Martinez

He is a Senior Hardware Lead Engineer with more than 10 years experience in automotive and consumer electronics design. He is a PhD in electrical engineering and a MSc in power electronics with more than 13 years in research and development. He is certain He would make a valuable addition to your organization.

D&D HELLA AUTOMOTIVE – GDL, MX 2022-2022 

Lead Electronics

  Electronics product design and project management from concept phase to prior DV of the following projects: RCL D2UC-2 GM MY24 and RCL FORD MACH E MY24 (Customer Interface). Technologies used: Smart drivers ICs to provide LEDs turn-on sequence, 4-layers and 2-layers PCBs and IMS metal core and FR4 PCB technologies, Buck ICs DC-DC converters, Amber, Red, white, Yellow, LEDs (Synios, TOP, PTOP, APTOP) from Osram, Dominant and Samsung and SMT and THT connectors. Softwares used: DOORs to fill up, review and tracking OEM requirements, Ltspice to perform electrical circuits simulations, Microsoft Visio to design and update vehicle system architecture and system schematic, Mathcad to perform worst case analysis of the electrical circuits, Microsoft Excel to provide light technical description with mechanical, electrical, optical and thermal design requirements as well as EBOM design of the electrical circuit, SAP to upload EBOMs, schematics, PCB layout and drawings and Cadbas. Skills developed and learning: FORD and GM standards, FUSA standards and SAE and ECE standards. About the Job, it was a great experience to make a team of colleagues from Germany, India, USA, China, Czech and Mexico.

iLED ELECTRONICS – GDL, MX 2021-Currently

Applications Engineer (Freelancer)

Provide engineering services to ATL electronics to represent Tier-3 Automotive suppliers in Mexico as Skyworks and Luminance. Technologies used: IGBT’s, FET’s, isolated gate drivers, digital isolators, analog isolators, timings, LEDs and more. Softwares used: Ltspice, Mathcad, Excel, Altium. Skills developed and learning: Application engineering. About the Job, it has been challenging experience to work in a different area of engineering.

D&D VARROC LIGHTING SYSTEMS AUTOMOTIVE – MTY, MX 2018-2021 

Sr. HW Lead Engineer

Electronics product design and project management from quoting and concept phase to project launch of the following projects: CHMSL FCA Grand Wagoner MY21 and RL FORD P758 MY21. (Customer Interface). Technologies used: Linears ICs drivers to regulate LEDs forward current, 4-layers and 2-layers FR4 and Flex-Al PCB technologies, Boost, and Sepic DC-DC converters, Amber, Red, white, Yellow LEDs (Synios, TOP, PTOP, APTOP) from Osram, Dominant, Nichia Lumileds and Samsung and SMT and THT connectors. Analog and power electronics circuit designs (electrical requirements management, electrical architecture design, electrical simulations, SCH, PCB layout and EBOM design, WCCA and DFMEA design, electronics thermal management design, electronics component selection: IC’s, passive, actives, LED’s and PCB technology, reliability and EMC electronics validation and certification as well as project documentation management in RTC, Team center and Eproj). Softwares used: DOORs to fill up, review and tracking OEM requirements, Pspice and Ltspice to perform electrical circuits simulations, Microsoft Visio to design and update vehicle system architecture and system schematic, Mathcad to perform worst case analysis of the electrical circuits, Microsoft Excel to provide thermal management card for mechanical, electrical, optical and thermal design requirements as well as EBOM design of the electrical circuit. Altium to design schematics and review PCB layout design, RTC, team center, eProj to upload and track EBOMs, schematics, PCB layout and drawings, worst case analysis, circuit simulations, DVP&R and validation reports. Skills developed and learning: FORD, Lucid, Tesla, VW, FCA, Nissan and EMC standards, perform OEM EMC pre-compliance testing with external supplier as well as solving failures by implementing workarounds, design, manage and release an automotive project from quotation to launch, 8Ds and fishbone analysis methodologies, EMC test plan and environmental test plan, DFMEA and PCB layout DC and AC switching loops design of power supplies. About the Job, it was great to become a great experienced and technical player from a global perspective for the company working together in a team with colleagues from Germany, India, USA, Czech and Mexico. Suppliers management (electronic components, EMS and EMC), and mentor to the HW team and supporter of the program management team.

D&D HARMAN AUTOMOTIVE – QRO, MX 2017-2018 

Sr. HW Engineer

Electronics design, electrical validation and project management of HU Subaru MY18. Technologies used: Power amplifiers, LED Boost drivers, TFT Displays and FR4 PCB technologies. Softwares used: DOORs to fill up, review and tracking OEM requirements, Ltspice to perform electrical circuits simulations, Microsoft Visio to design and update vehicle system architecture and system schematic, Mathcad to perform worst case analysis of the electrical circuits, Microsoft Excel to provide EBOM design of the electrical circuit. Skills developed and learning: Subaru standards. About the Job, it was a great experience to support the USA hardware team with the hiring technical process and planning and development of the mexican R&D offices and labs.

D&D HELLA AUTOMOTIVE – GDL, MX 2016-2017 

Sr. HW Lead Engineer

Electronics product design and project management from quoting and concept phase to prior DV of the following project: RL NISSAN L42N MY19. (Customer Interface). Technologies used: Passive current sources, LED ICs drivers to regulate LEDs forward current, 4-layers and 2-layers FR4, Boost DC-DC converters, Amber, Red, Yellow LEDs (Synios, TOP, PTOP, APTOP) from Osram and Dominant, and SMT and THT connectors. Analog and power electronics circuit designs (electrical requirements management, electrical architecture design, electrical simulations, SCH, PCB layout and EBOM design, WCCA and DFMEA design, electronics thermal management design, electronics component selection: IC’s, passive, actives, LED’s and PCB technology, reliability and EMC electronics validation and certification as well as project documentation management). Softwares used: DOORs to fill up, review and tracking OEM requirements, Pspice to perform electrical circuits simulations, Microsoft Visio to design and update vehicle system architecture and system schematic, Mathcad to perform worst case analysis of the electrical circuits, Microsoft Excel to provide light technical description for mechanical, electrical, optical and thermal design requirements as well as EBOM design of the electrical circuit, Cadence to design schematics and review PCB layout design, SAP to upload and track EBOMs, schematics, PCB layout and drawings, DVP&R and validation reports, and Cadbas. Skills developed and learning: FORD, Nissan and EMC standards, design and manage from quotation the first OEM automotive project of full LED technology in North America, EMC test plan and environmental test plan. About the Job, it was great experience to work and coordinate with such a big team of colleagues: LED expert, HW engineer (second on board reporting to Gilberto), Thermal expert, Mechanical engineer, Optical engineer, Layout engineer, Testing and quality engineers, EMS supplier, Harness and connector experts, program manager, systems engineer and customer. Suppliers management (electronic components and EMS), and mentor to the HW team.

R&D CONTINENTAL AUTOMOTIVE – GDL, MX 2014-2016

Full HW Engineer

Electronics module hardware design and project management during quoting, concept phase or redesign of the following projects: LED Backlight Driver Module VW MQB Instrument Cluster TFT Display, LDO Power Supply Module JCP2016 HL-3D Microcontroller and Full Bridge Chime Driver FORD CD4 Instrument Cluster. (Customer Interface). Technologies used: Flash memories, LED ICs drivers to regulate LEDs forward current, 4-layers and 2-layers FR4, Boost DC-DC converters, TFT displays, Microcontrollers, CAN transceivers, SMPSs, Linear regulators, SPI and CAN communication, TPICs (shift registers), LEDs, and Stepper motors. Analog, digital and power electronics circuit designs and HW engineer activities (electrical requirements management, electrical simulations, SCH, PCB layout and EBOM design, WCCA, electronics component selection: IC’s, passive, actives, power delivery network design, electronics validation (analog, digital and power supplies), prototyping, benchmarking, electronic components sourcing as well as project documentation management). Softwares used: DOORs to fill up, review and tracking OEM requirements, Pspice to perform electrical circuits simulations, Mathcad to perform worst case analysis of the electrical circuits, Microsoft Excel to provide EBOM design of the electrical circuit. Zuken to design schematics and review PCB layout design, SAP to upload and track EBOMs, schematics, PCB layout and drawings, DVP&R and validation reports, CANoE to make hardware verifications and testing and ECDM. Skills developed and learning: FORD, VW, continental, EMC and automotive standards, sourcing, benchmark and standardization of LED drivers and linears ICs components for driving TFT displays, power delivery network design for microcontrollers, power supply design for driving microcontrollers (32-bit Freescale), CAN and SPI communication basics, automotive worst case analysis, automotive frequency response and transient simulations, LEDs basics and HW-SW interface. About the Job, it was a challenging experience to work first time with automotive standards, projects and activities as well as meeting and working with people from all over the world (Germany, Rumania, USA and Mexico). Also, it was a honor being the first global core development hardware engineer in Mexico R&D office in charge of LED drivers design for North America. Suppliers management (electronic components).

R&D PHILIPS LIGHTING ELECTRONICS MEXICO – TJ, MX 2010-2014

HW Engineer II

Electronics product design and project management from quoting and concept phase to project launch of the following Ballasts projects: REL2P75, RES2S54, RES2P32N and RES2P59N (Current-Fed-Push-Pull Inverter), ICN2P59N Class A (Boost+Voltage-Fed-Half-Bridge Inverter) and RELB2S40N Class B (Boost+Current-Fed-Half-Bridge Inverter). (Total of 2.4M USD Savings). Technologies used: DC-AC Push-pull and half bridge inverters, 1-layer and 2-layers FR4 and CEM-3 PCB technologies, Boost DC-DC and flyback converters, ICs to provide PFC and Inverter control, Transformers, Chokes, Inductors, Film, Polyester and electrolytic capacitors, PCB fuse, high voltage ignition lamps (HID and fluorescent), thermal dissipators (thermal pad, tacky tape, heatsinks and asphalt) and THT connectors. Analog and power electronics circuit designs (electrical requirements management, electrical architecture design, electrical simulations, SCH, PCB layout and EBOM design, WCCA design, electronics thermal management design, component selection: IC’s, passive, actives, connectors, wires, insulators, thermals, and PCB technology, reliability and NOM & UL product validation and certification, prototyping, benchmarking-value engineering, electronic component sourcing, as well as project documentation management in SAP). Softwares used: Cadstart and mentor graphics to develop schematic and PCB layout, WORD to fill up, review and tracking OEM requirements, LTspice to perform electrical circuits simulations, Autocad to design the product labels, Mathcad to perform worst case analysis of the electrical circuits, Microsoft Excel to provide EBOM design of the electrical circuit, SAP to design and upload EBOMs, schematics, PCB layout and drawings, Gerbers, Magnetics specification design, DVP&R and validation reports, microsoft project to design timing plan and DS-1. Skills developed and learning: Philips, NOM, UL and EMI standards, derating component calculation, life time component calculation. thermal design, quality test performance, customer acceptance test, magnetics design, EMI design, schematic, layout and panel design, benchmark and sourcing for electronics components, high voltage driver, packaging, isolators, transformers, PCB layout, wires and connector design guidelines, manufacturing process design (ICT, EoL, SMT, axial and radial, THT, packaging, burning-in-line, HALT and HASA tests, cycle time efficiency), value engineering projects, CRS (customer requirements specification design and management), design and manage from quotation to launch fluorescent drivers, and PCB Gerbers design, VI mapping, EMI measurements, testing (thermal, switching, interaction, humidity, strife, cold start, self-rise, HiPot). About the Job, it was a challenging and wonderful experience to put in place the technical knowledge learned from a master degree in power electronics along with learning how to develop electronics from industrial development point of view, which adds design for manufacturing and electrical qualification so that a more robust design is needed. Also, to work and coordinate with such a big team of colleagues: Component engineers, HW technicians, Documentation team, Quality engineers, NPI testing, NPI manufacturing, NPI purchasing, manufacturing process staff engineers, reliability testing engineers, NOM and UL certification engineers, Product manager, project manager, marketing, mechanical engineers and PCB Layout engineers. Suppliers management (electronic components, wires, insulators, plastic & metal boxes). NPI, testing, quality & manufacturing process management, and mentor to the HW technicians.

UNIVERSITY OF OVIEDO – Oviedo, Spain Oviedo, Spain 2014 – 2019

PhD. Electrical Engineering

  Granted PhD degree with international mention (Jury and thesis reviewers integrated by international researchers from China, Brazil, France, Mexico and Spain; thesis and defense addressed in English) and maximum score obtained during the defense. Thesis: Research on power supplies for OLED lamps based on DC-DC switched capacitor converters. Technologies used: Transformers, inductors, IC half bridge drivers, OLEDs lamps, DC-DC resonant switched capacitor converters, OPAMs, comparators, microcontrollers (PICs), film and polyester capacitors and 1-layer and 2-layers PCB FR4. Softwares used: Altium to develop schematic EBOM, PCB layout and Gerbers, Ltspice, Pspice and Matlab to perform electrical circuits simulations (frequency response, transient, DC sweep, DC-DC converter, variable inductor magnetic and electrical and lamp circuits simulink/LTspice modeling), Mathcad to perform calculations of the electrical circuits and magnetics design, MPLAB and PIC C to make programming of the control digital circuit, Microsoft Visio to generate block diagrams and figures and WORD to write down research papers. Skills developed and learning: C programming, OLED modeling, variable Inductor modeling, DC-DC RSC formulas design analysis and circuit design and digital-PWM and analog closed loop control, magnetic core material and electrical power calculation, derating component calculation, PCB layout DC and AC switching loops design of power supplies, design a research paper for international IEEE journals and conferences as well as presenting in the international meetings. Author and co-author of 9 journal and conference publications: G. Martinez, J. M. Alonso and R. Osorio, “Simplified Photo-Electro-Thermal Model Applied to Resonant-Switched-CapacitorBased OLED Drivers”, IEEE Industry Applications Society Annual Meeting, October 2019, Baltimore, USA. Martinez, G. (2019). “Research on Power Supplies for OLED Lamps Based on Switched Capacitor Converters”, (Published Doctoral Dissertation, ISBN: 97884-17445-25-6). University of Oviedo, Oviedo, Spain. G. Martinez, J. M. Alonso and R. Osorio, “Analysis and Design of a Unidirectional Resonant Switched Capacitor Step-up Converter for OLED Lamp Driving Based on Variable Inductor”, IEEE Journal of Emerging and Selected Topics in Power Electronics, Special Issue on Emerging Topics in Lighting, Vol: 3, Issue: 3, 2018, pp: 1106-1115. Gilberto Martinez, J. Marcos Alonso and R. Osorio Sanchez, “Analysis and Design of a Unidirectional Resonant Switched Capacitor Step-up Converter for OLED Lamp Driving Based on Variable Inductor”, IEEE Industry Applications Society Annual Meeting, October 2017, Cincinnati, OH, USA. R. Osorio, J. M. Alonso, S. E. Pinto, G. Martinez, N. Vazquez, M. Ponce, A. J. Martinez, “Simplified Electrical Modeling of Power LEDs for DC-DC Converter Analysis and Simulation”, International Journal of Circuit Theory & Applications, Issue: 04, 2017. J. Marcos Alonso, Marina Perdigão, Marco Antonio Dalla Costa, Gilberto Martinez and Rene Osorio, “Analysis and Experiments on a Single-Inductor Half-Bridge LED driver with Magnetic Control”, IEEE Transactions on Power Electronics, Vol: 32, pp, Issue: 12, 2017, pp: 9179-9190. J. Marcos Alonso, Marina Perdigão, Marco A. Dalla Costa, Gilberto Martinez and Rene Osorio, Cosetin, Ricardo N. do Prado, “Analysis and design of a novel variable-inductor-based LED driver for DC lighting grids”, 2016 IEEE Industry Applications Society Annual Meeting, October 2016, Portland, Oregon, USA. J. Marcos Alonso, Gilberto Martinez, Marina Perdigão, Marcelo Rafael Cosetin, Ricardo N. do Prado, “A Systematic Approach to Modeling Complex Magnetic Devices using SPICE: Application to Variable Inductors”, IEEE Transactions on Power Electronics, Vol: 31, Issue: 11, 2016, pp: 7735-7746. J. Marcos Alonso, Gilberto Martinez, Marina Perdigão, Marcelo Cosetin, Ricardo N. do Prado, “Modeling Magnetic Devices using SPICE: Application to Variable Inductors”, IEEE Application Power Electronics Conference, March 2016, Long Beach, CA, USA. Gilberto Martinez and J. Marcos Alonso, “A Review on Switched Capacitor Converters with High Power Density for OLED Lamp Driving”, IEEE Industry Applications Society Annual Meeting, October 2015, Dallas, TX, USA, pp: 1-8.

INSTITUTO TECNOLÓGICO DE CELAYA – Celaya, MX 2008-2010

Msc. Power Electronics

Thesis: Research on a Non-Resonant HID 70W Ballast Based on the Integrated Quadratic Buck-Boost Converter with High Power Factor and Lamp Current Control. Technologies used: DC-DC Quadratic Buck-Boost, Buck-Boost, Buck, Boost, Flyback converters, DC-AC full and half bridge Inverters, DC and 3-phase motors, 3-phase inverters, Snubbers, Digital and analog control, Transformers, inductors, IC half bridge drivers, HID lamps, high voltage igniters, spark gaps, OPAMs, comparators, microcontrollers (PICs), film and polyester capacitors and 1-layer and 2-layers PCB FR4, FPGAs and RS-232 communication. Softwares used: Altium and Orcad Cadence to develop schematic EBOM, PCB layout and Gerbers, Psim, Pspice, Ltspice and Matlab to perform electrical circuits simulations (frequency response, transient, DC sweep, DC-DC converter and lamp circuits Laplace and simulink modeling), Mathcad and Maple to perform calculations of the electrical circuits and magnetics design, MPLAB and PIC C to make programming of the control digital circuit, Microsoft Visio to generate block diagrams and figures and WORD to write down research papers and Xilinx and modelsim for FPGAs. Skills developed and learning: VHDL, assembler and C programming, Laplace/simulink modeling for DC-DC converters, lamps, PI and SMC (sliding mode control) compensators and DC motors, DC-DC Quadratic Buck-Boost formulas design analysis and circuit design and digital-PWM and analog closed loop control, magnetics design, derating component calculation, PCB layout design, VI mapping, Linear control, SMC and modulation control strategies (sinusoidal). Author and co-author of 3 journal and conference publications: R. Osorio, S. Pinto, N. Vazquez, G. Martinez, M. Ponce, A. Padilla, J. Prado, “Stationary State Error Reduction on the Electrical Modeling of High Pressure Sodium Lamps”, IET Electric Power Applications, Vol: 5, Issue: 4, May 2011, pp: 350-358, ISSN: 1751-8660. J. Alonso, J. Viña, D. Gacio, G. Martinez, R. Osorio Sanchez, “Analysis and Design of the Integrated Double Buck-Boost Converter as a High-Power-Factor Driver for Power-LED Lamps”, IEEE Transactions on Industrial Electronics, January 2011, published on the IEEE XPLORER, ISSN: 0278-0046. J. Marcos Alonso, Juan Viña, David Gacio, Lidia Campa, Gilberto Martinez, Rene Osorio, “Analysis and Design of the Quadratic Buck-Boost Converter as a High-Power-Factor Driver for LED Lamps”, The 36th Annual Conference of the IEEE Industrial Electronics Society, November 2010, Glendale, AZ, USA, pp: 2541-2546. Research residence in University of Oviedo, Spain.

INSTITUTO TECNOLÓGICO DE CELAYA – Celaya, MX 2003-2007

Bs. Electronics Engineering

  Food Plant Automation Engineering Process. Technologies used: PLC’s (programmable logic controller) frequency Inverters (motors), I/O analog and digital modules, Breakers RS-View communication. Softwares used: Autocad, RSView and Rslogix. Skills developed and learning: PLC programming, Boards assembly, Frequency Inverters and Autocad design.