Ravi Kumar Sutrai

About Ravi Kumar Sutrai

Expertise in Hardware Design and development with 15+ years of experience in embedded hardware for Medical, Automotive, Mining, Defense and Railway products. Hands-on experience in Product Development Lifecycle including requirement gathering, technical discussion, Architecture design, components selection, schematics, PCB design, functional testing. Hands on Design experience & knowledge on Hardware Design and Analysis- Analog, Digital & Mixed section: Designing of boards- includes microcontrollers-based circuit design, circuit protection circuits, Signal conditions, SI (Signal Integrity), EMI EMC filtering, OPAMPS, ADC, DC- DC converters, encoders, SE and Differential signals, and in general approach to overall circuit design implementation. Application based Component Selection. Schematics Entry, Schematics Capture using relevant tools Layout Skills: Designing Schematics and PCB and Layout placement BOM Generation, PCB Layout Preparation and relevant tools Problem Solving - Debugging and Troubleshooting of Hardware issues Evaluation Testing and integration of COTS components and LRUs- Experience in Board level, Product level and integration level Testing. Standards: Experience in Intrinsic safe design as per IEC 60079 and Functional safety as per IEC 61508, ISO 26262. Hands on experience with FMEDA, 1001d, 1002d architecture, Performing the SIL calculations Functional safety validation as per IEC 61508 standards, prepared fault injector box for hardware. Electromagnetic Interference (EMI) Analysis experience. Good understanding of grounding and shielding concepts, chassis design. Experience on processor-based architectures and design interfaces. Experience with Microcontroller like ATmega128, ATMEL, PIC, TI and CPLD, FPGAs. Good Experience in the development of mixed signal boards with microcontroller and memory devices likes Flash, EEPROM, Op- Amp circuits, and driver circuits for MOSFETS Experience with LVDT, Potentiometer, Optical sensors, Pressure sensors Hall Effect sensors, and signal conditioning circuits. Designed hardware Interfaces for I2C, CAN SPI, RS232, USB and Ethernet. Hands on experience with schematics design tools like Altium, Orcad capture. Having good knowledge in simulation tools pSpice, LTspice and TI Webench. Preparation of Design documents, Layout guidelines & Test Report Summary document. Having experience in Reliability calculation for design (Performed MTBF, FMEA, FMEDA and FTA). Battery Management System designed.

Experience

1. Senior Hardware Design Engineer

   L&T Technology Services

   Mar 2014 — Present

Education

• JNTU

  B.Tech, Electronics

  2003 — 2007

• APR School

  SSC

  1995 — 2001

• BITS,Pilani

  MS, Manufacturing and Management

  2009 — 2011

• APRJC

  10+2, Maths,Physics,Chemistry

  2001 — 2003