1. JAMES S. LEPKOWSKI
▪ 21227 N. 53rd Ave. Glendale, AZ 85308 ▪ (623) 533-7039 ▪ jimlepk@cox.net
PROFESSIONAL SUMMARY
Experienced Electrical Engineer with the technical expertise and commitment to accurately design, evaluate and
maintain electrical systems. Skilled at identifying and solving complex system and component problems,
completing qualifications tests, and implementing quality and cost reduction improvement programs.
AREAS OF EXPERTISE
▪ Analog and digital design ▪ Solve component& system design problems ▪ Lead cross-functional teams
▪ Precision sensor circuits ▪ Define system requirements ▪ Mentor junior engineers
WORK EXPERIENCE
ON SEMICONDUCTOR Phoenix, AZ
Logic and Signal Interface Group 2005 to 2015
Senior Principal Applications Engineer responsible for CMOS logic and signal interface ICs.
▪ Identified new product opportunities for logic, analog switch, and display driver ICs.
▪ Defined autosense logic translators that provided revenue > $10M per year.
▪ Managed characterization and qualification of cost reduction programs that generated savings > $5M per year.
▪ Lead technical interface responsible for solving new product introduction and field quality problems.
▪ Created product roadmaps and performed technical feasibility studies for next generation opportunities.
▪ Generated promotional and technical training material for marketing, sales, and FAEs.
ESD Protection / EMI Filter Group 2004 to 2005
Senior Principal Applications Engineer for ESD and EMI filter protection products.
▪ Created a 20M-unit-per-year product line of CAN and LIN Bus ESD and EMI protection products.
▪ Published ten papers and eleven transient voltage suppression (TVS) application notes.
Field Applications Group 2000 to 2002
Principal Application Engineer responsible for creating system reference designs that had multiple ON products.
▪ Generated reference designs and publications to promote op-amps, DC-to-DC buck converters, and EMI filters.
MICROCHIP Chandler, AZ
Analog and Memory Business Group 2002 to 2004
Principal Applications Engineer responsible for temperature sensors, op-amps, and voltage supervisors.
▪ Developed temperature sensors and voltage detector / supervisor ICs that generate $5M revenue per year.
▪ Created ten application notes and two training courses to promote new product introductions.
▪ Validated FilterLab, a SPICE based interactive op-amp filter design program.
HONEYWELL Tucson / Phoenix, AZ
Aerospace Group 1984 to 1999
Design Engineer III for Engine Controls Unit (ECU), sensors, and next-generation cockpit displays.
▪ Defined hardware and software system requirements for propulsion and APU engine controls.
▪ Coordinated DO-160 software, DO-178 environment and EMI FAA certification tests.
▪ Performed SPICE simulations to provide tolerance and failure analysis, and to create FMEAs.
▪ Lead teams that increased reliability of thermocouples, RTD and oil level sensors to improve the engine MTBF.
▪ Created interface circuits to evaluate and test alternative engine sensor technologies.
▪ Patented the resistive and capacitive sensor ECU interface circuit that has been in production since 1986.
▪ Designed active matrix LCD, EL and AC plasma display test panels.

2. JAMES S. LEPKOWSKI (cont.)
EDUCATION
Arizona State University Tempe, Arizona
Master of Science, Electrical Engineering 1996
Specialty: Analog integrated circuit design
Marquette University Milwaukee, Wisconsin
Master of Science, Electrical Engineering 1983
Bachelor of Science, Biomedical Engineering 1981
COMPUTER / EQUIPMENT SKILLS
▪ Computer Skills: Microsoft Office, Cadence PSPICE, Multisim/Ultiboard, Orcad Layout & Capture Design
▪ Equipment Skills: oscilloscopes, spectrum analyzers, waveform generators Low Voltage Op-Amp Oscillators
PATENTS
▪ “Bidirectional Transceiver and Method,” U.S. Patent 8,736,307, 2014.
▪ “Multiplexer / De-Multiplexer Translator Circuit and Method,” U.S. Patent 7,808,274, 2010.
▪ “Capacitive Pressure Transducer System,” U.S. Patent 4,987,782, 1991.
PUBLICATIONS
ON SEMICONDUCTOR
Application Notes
▪ Logic: Configurable Logic Gates (AND8408), LED Oscillator (8067), Logic Level Translators (8326, 8335-6).
▪ ESD Diode / EMI Filter: Design Guidelines (AND8026-7, 8169, 8181, 8228-32, 8250, 8253-4).
▪ Linear: Low Voltage Op-Amp Oscillators (AND8054).
▪ Power: Synchronous Buck and LDO Power Supply Power Supply (AND8079).
Magazine Articles and Conference Presentations
▪ “Maximize TVS Performance,” Component Times, March 2007.
▪ “Evaluating TVS Circuits with SPICE,” Power Electronics Tech., Jan. 2006.
▪ “SPICE Modeling of TVS Circuits,” Power Electronics Tech. Conf., Nov. 2005.
▪ “Micro-Packaged ESD/EMI Solutions,” Power Systems Design, May 2005.
▪ “EMI Solutions for CAN,” IEEE ICNSC Conference, March 2005.
▪ “Zener Diode EMI Filters,” Power Electronics Tech. Conf., Nov. 2004.
▪ “Low-Cost DDR Memory Power Supply,” Electronic Design, Nov. 11, 2002.
▪ “Oscillator Circuit for Capacitive Sensors,” Electronic Design, Sept. 30, 2002.
▪ “Logic Oscillator Boosts LED Brightness,” Electronic Design, June 24, 2002.
▪ “Op-Amp Oscillator Circuits,” TechOnline Design Symposium, August 2001.
MICROCHIP
Application Notes
▪ Silicon Temperature Sensors (AN871, 913, 929, 938, 940, 981, 988).
▪ Op-Amp Oscillator Circuits (AN866, 895).
▪ Motor Control Op-Amp Sensor Circuits (AN894).
Magazine Articles and Conference Presentations
▪ “Temperature Measurement Circuits,” 2004 Embedded Systems Conference.
▪ Six application notes posted on TechOnline website.