Abdul Mohsin

Power Electronics & PCB Design Engineer

Independent Engineering Projects • Freelance

Aug 2025 - Present • 9 mos

Worked as a Power Electronics and Hardware Design Engineer on multiple industrial and research-based projects involving power converter design, embedded systems, and multilayer PCB development. Designed and analyzed DC-DC converters, inverter stages, motor drive circuits, and control boards for reliable and efficient operation in real-world applications. Led complete hardware development from schematic design to PCB layout and final production files. Designed 2-layer and 4-layer PCBs with proper stack-up planning, grounding strategy, controlled impedance routing, and power distribution optimization. Focused on minimizing electromagnetic interference, improving thermal performance, and ensuring signal integrity for high-speed and high-current circuits. Implemented voltage regulation systems, gate driver circuits, current sensing, protection mechanisms, and communication interfaces such as UART, SPI, and I2C. Prepared manufacturing-ready Gerber files, BOM, assembly drawings, and testing documentation for fabrication and prototyping. Used industry-standard tools including Altium Designer and KiCad for schematic capture, PCB layout, and 3D visualization. Performed simulation and validation using MATLAB/Simulink for control and power stage verification. Worked closely with clients to transform concepts into production-ready hardware solutions while maintaining performance, cost, and reliability targets. Delivered multiple embedded and power electronics boards for academic, startup, and industrial clients, ensuring clear documentation, optimized layout, and scalable design for future upgrades.

FPGA Design Engineer

Independent FPGA & Digital Design Projects • Freelance

Jan 2019 - Present • 7 yrs 4 mos

Worked as an FPGA Design Engineer on multiple digital hardware and real-time processing projects for academic, research, and industrial applications. Designed and implemented FPGA-based systems using Verilog and VHDL for high-speed data processing, control systems, and embedded hardware integration. Developed modules including UART, SPI, I2C communication, PWM controllers, digital filters, memory interfaces, and custom logic blocks. Implemented signal processing and control algorithms on FPGA platforms to achieve low-latency and high-performance hardware execution. Used Xilinx Vivado and Intel Quartus for synthesis, implementation, timing analysis, and hardware debugging. Performed simulation and verification using ModelSim and testbenches to validate functionality before deployment. Optimized designs for timing closure, resource utilization, and power efficiency across different FPGA devices. Worked on full design flow including RTL development, simulation, constraints creation, synthesis, and hardware testing on development boards. Integrated FPGA systems with microcontrollers, sensors, ADC/DAC modules, and communication interfaces for real-time applications. Collaborated with clients to convert algorithm-level requirements into efficient hardware architectures. Delivered clean, well-documented RTL code and complete project files ready for further development or production integration. Focused on scalable and modular design practices to ensure reliability, maintainability, and efficient hardware performance for embedded and high-speed digital systems.