Electric bicycle Half H-Bridge Motor Driver Design Review
Budget: ₹1,500 – ₹12,500 INR
I have a working prototype of a 24 V brushed-motor driver built around a half H-bridge and an STM32 “BluePill”. The board already powers and spins the motor, but I want to raise its game before moving toward a production run for commercial use.
My key goal is higher power efficiency without sacrificing reliability or robustness. During bench testing I have noticed mosfets are burning out and some issues with signal reading. I am therefore looking for a fresh, expert set of eyes on:
• Schematic: component selection, gate-drive strategy, snubbing, sensing, protection
• PCB layout (Gerbers): current loops, trace widths, thermal vias, copper balance, EMI containment
• Overall architecture: ways to streamline power distribution and reduce heat, plus any low-hanging fruit that improves manufacturability for future batches
I will share the full schematic, BOM and Gerber set as soon as we start. Please return a concise review report with annotated PDFs (or Altium/KiCad mark-ups), recommended component or topology changes, and any simulation or calculation notes that back up your suggestions. If you can provide quick-turn SPICE or thermal sims to illustrate expected gains that will be a bonus.
Target outcome: a clarified design that is measurably more efficient and production-ready for automotive duty.
My key goal is higher power efficiency without sacrificing reliability or robustness. During bench testing I have noticed mosfets are burning out and some issues with signal reading. I am therefore looking for a fresh, expert set of eyes on:
• Schematic: component selection, gate-drive strategy, snubbing, sensing, protection
• PCB layout (Gerbers): current loops, trace widths, thermal vias, copper balance, EMI containment
• Overall architecture: ways to streamline power distribution and reduce heat, plus any low-hanging fruit that improves manufacturability for future batches
I will share the full schematic, BOM and Gerber set as soon as we start. Please return a concise review report with annotated PDFs (or Altium/KiCad mark-ups), recommended component or topology changes, and any simulation or calculation notes that back up your suggestions. If you can provide quick-turn SPICE or thermal sims to illustrate expected gains that will be a bonus.
Target outcome: a clarified design that is measurably more efficient and production-ready for automotive duty.