Abhishek Arragunta
ENGINEER
Overview
11
11
years of professional experience
1
1
Certification
Work History
SPECIALIST
TATA Elxsi
06.2022 - Current
- Collaborated with Magna International through TATA Elxsi, delivering innovative solutions in automotive and power electronics.
- Designed and developed gate driver power supply for a 180 kW traction inverter.
- Power supply architecture for traction inverters
- Engineered a flyback converter (40–1000 V, 60 W) for traction inverter applications, optimizing performance and reliability.
- Conducted double pulse testing for IGBT, SiC MOSFET, and GaN devices, enhancing switching performance and reliability.
- Developed test specifications for PCBA ICT,FCT,EOL ensuring quality control and compliance with industry standards.
- Collaborated with cross-functional teams to ensure traceability, testability, and effective change management using PTC Windchill.
- Gained deep knowledge of traction inverter architecture for power levels ranging from 100 kW to 300 kW.
- Involved in DC link characterization and testing of safe state, temperature sensing, HVDC sensing, and crash detection circuits for traction inverter applications.
Engineer
Tech Mahindra
01.2021 - 06.2022
- Conducted testing and validation of circuit operations for 15 kW and 30 kW motor drives, ensuring accurate performance under load conditions and during thermal run tests.
- Ensured compliance with international standards, including EMC, EMI, ESD, and IEC 61800-5-3, through detailed validation and testing.
- Designed robust and efficient gate drivers for high-power motor drives, incorporating protection features such as overvoltage and desaturation detection.
Engineer
Xylem Water Solutions
06.2019 - 01.2021
- DC to AC Converters: Designed 2.5 kW and 1.6 kW converters for motor drives, optimizing power module selection.
- SMPS Design: Developed fly-back converters (290–860 V input, 24 V/15 V output, 22 W) using single-switch topology for compactness.
- Designed robust gate drivers for motor drives using both isolated and non-isolated bootstrap configurations for high-voltage safety and compact designs.
- Developed circuits for over-current, over-voltage protection, and current, voltage, and temperature sensing in power electronics systems.
- Proficient in Altium Designer for creating schematics and evaluating BOMs using tools like Silicon Expert for component lifecycle and reliability.
- Expert in schematic capture and PCB design, utilizing both foundational and advanced features of Altium Designer.
Intern
Enstien Labs
07.2018 - 03.2019
- Designed high-efficiency LLC resonant and dual active bridge converters for various power applications.
- Developed and tested 1 kW onboard chargers for electric vehicles, ensuring optimal reliability and performance.
- Quasi-resonant flyback converters for LED lighting, optimizing efficiency and minimizing EMI.
- Design of 6watts flyback in DCM mode for space application
- Conducted voltage and current harmonic analysis for diode rectifiers, ensuring IEEE 519 compliance.
- Modeled semiconductor switches for loss estimation and integrated effective thermal management.
- Designed high-frequency transformers for 100 kHz operation, optimizing performance with skin effect calculations.
- Utilized C2000 controllers for precise PWM generation in power electronics.
- Performed power converter testing, documenting results to ensure performance and reliability.
Intern
Boeing
05.2014 - 05.2014
- Worked on electrical generation and distribution in aircrafts, 777 and 787 Recent trends in aircraft with respect to power electronics research.
Education
Mtech - Power Electronics And Drives
Vellore Institute of Technology
Chennai04-2019
BTECH - ELECTRICAL AND ELECTRONICS
GITAM UNIVERSITY
Hyderabad04-2016
Skills
- Simulation & Modeling: Proficient in PSIM, MATLAB, PYTHON, PLEXIM, LT SPICE, and SIMETRIX for power electronics design and analysis
- Component Selection & Procurement: Experienced in Component selection and Procurement for power electronics systems
- Laboratory & Prototyping: Good knowledge of using Oscilloscopes, mulitmeter ,MFIA impedance anaylzer, developing fixtures for double pulse setups and BODE 100 for impedance and stability analysis, and Soldering for prototyping and assembly
Accomplishments
Gold Medalist in B tech electrical and electronics department
Merit scholarship in Mtech for power electronics and drives
Certification
Qualified Electrician for HV systems in motor vehicles for manufactures and suppliers from TÜV SÜD-L2 certification
Timeline
SPECIALIST
TATA Elxsi
06.2022 - Current
Engineer
Tech Mahindra
01.2021 - 06.2022
Engineer
Xylem Water Solutions
06.2019 - 01.2021
Intern
Enstien Labs
07.2018 - 03.2019
Intern
Boeing
05.2014 - 05.2014
BTECH - ELECTRICAL AND ELECTRONICS
GITAM UNIVERSITY
Mtech - Power Electronics And Drives
Vellore Institute of Technology
Similar Profiles
YEDHUKRISHNAN RYEDHUKRISHNAN R
Mechanical Design Engineer at TATA ELXSI LTDMechanical Design Engineer at TATA ELXSI LTD
Sanjeer KSanjeer K
Senior Design Engineer at Tata Elxsi Ltd.Senior Design Engineer at Tata Elxsi Ltd.
Malavika JayakrishnanMalavika Jayakrishnan
LEAD HR BUSINESS PARTNER at TATA ELXSI LTDLEAD HR BUSINESS PARTNER at TATA ELXSI LTD
S GNANAPRAKASHS GNANAPRAKASH
Scrum Master at Tata ElxsiScrum Master at Tata Elxsi
SUMRA ASHRAFSUMRA ASHRAF
Specialist at Apple StoreSpecialist at Apple Store