16 years of experience in electronics industry with key expertise on digital hardware design from conceptual planning up to product release & sustaining supportDeveloping & administering engineering design in •The x86 server microprocessor platform motherboard•PCIe CEM add-in Card•Backplane storage design for U.2/U.3/EDSFF NVMe/Sata SSD Drives•Host controller design including MCU, SoC, FPGA•Non-volatile & volatile memory devices including flash, EEPROM, EMMC, SDRAM, SRAM, DDR5•Clock topology design in crystal, oscillator, OXCO, TCXO, Digital PLL, Clock generator, Rubidium, jitter cleaner•DC power design including SMPS, Multiphase SMPS, LDO, PMIC, PoE, hotswap controller, ORing redundancy, e-fuse•Phase/Frequency synchronization design involving OCXO/Rubidium disciplining, TCXO steering, synchronous Ethernet, PTP implementation•Interconnect board/flex design involving main, daughter & backplane boards•Fan control design•USB3 involving USB PHY, Hub controller, Type C controller, Power switch, Re-driver, HS multiplexer•10/100/1000BaseT, Ethernet switch & PHY Design•Experience in common & high speed digital interfaces including PCIe5, SPI, I2C, I3C, UART, RS232, RS422, RS485, RGMII, TDM, GPIO, MDIO, Local bus, ULPI, Ethernet, USB2/3, SGMII, DDR5, MIPI, SGPIO, NC-SI•Familiar with various I/O buffer standards such as LVCMOS, LVTTL, LVDS, LVPECL, SSTL & respective termination techniques•Familiar with signal conditioning components such as buffer, schmitt trigger, logic, latch, digital isolator, opto-coupler, SSR•Practicing DFT to achieve optimum test coverage using boundary scan/JTAG in factory build•Extensive experience of performing SI/PI simulation (Hyperlynx SI/PI, Allegro SI, Sigrity, Timing Designer, LT Spice)•Defining multilayer PCB with proper layout planning & routing strategic•Managing PCB layout verification using Constraint Manager•Defining board level requirement deliverables such as Technical Requirement, HW/FW Integration, Test Plan, factory test strategy•Experience in resolving ESD, EMI & regulation issues•Familiar with factory prototype build process & bring up•Experience in hardware troubleshooting, debugging & factory support•Supporting firmware engineer during integration phase•Interaction with mechanical, software, material planners, PM across different projects•Responsible for reviewing deliveries from various teams & global colleagues•Provide technical expertise for less experienced engineers •Sustaining product life cycle through component EOL replacement, cost down & design improvement initiatives