Tractor-Grade High-Power Amplifier PCB Design

₹600-1500 INR

Closed

Posted 7 days ago

₹600-1500 INR

Paid on delivery

"Hi, I want to place an order for a premium, custom High-Power Mono Amplifier PCB design. This amplifier will be installed on a tractor and needs to be completely rugged, high-performance, and bulletproof. It will mostly drive heavy loads like four 12-inch or two 16-inch woofers, but it must also safely drive small 4-inch speakers without burning them out. Please design the PCB combining all the following specifications into a single layout: Power & Architecture: High-Power Mono Amplifier using a Dual-Supply (+VCC, GND, -VCC) topology, capable of handling around ±35V to ±45V DC input. Output Stage: 4 Power Transistors in total -> 2x 2SC5200 (NPN) and 2x 2SA1943 (PNP) connected in parallel for high current and deep bass. Driver stage should use BD139 and BD140. On-Board Pre-Amp: Integrate an NE5532 (or TL072) based Pre-amplifier stage with dedicated Bass and Treble control pots directly on the PCB. Universal Speaker Safety (Multi-Output): Main Output: High-power output for large 12-inch / 16-inch woofers. Safe/Attenuated Output: A secondary terminal with a power-limiting/resistor network for small 4-inch speakers so they never blow up. Advanced On-Board Protection: Integrate a Relay-based Protection Circuit (using a 12V relay and UPC1237 IC) featuring both DC Offset Protection and Overcurrent/Short-Circuit Protection to immediately trip the relay if a wrong load or short happens. Heavy-Duty Layout (Tractor Spec): PCB tracks for +VCC, -VCC, GND, and Main Speaker Output must be extremely thick and wide with a heavy copper pour to handle massive vibrations and currents. All 4 main power transistors must be perfectly aligned on one single edge of the PCB for easy mounting onto a common aluminum heatsink. Deliverables: Standard Gerber Files (.zip) optimized for manufacturing on [login to view URL], a detailed Bill of Materials (BOM), and a 3D rendering/image of the final board for review. Please review these complete requirements and share your quotation and timeline. Thank you!"

Electrical Engineering

PCB Layout

Microcontroller

Project ID: 40582253

About the project

4 proposals

Remote project

Active 5 days ago

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4 freelancers are bidding on average ₹3,388 INR for this job

@ElecHamza

Hi, I have extensive experience designing rugged high power audio amplifiers for automotive environments and can create this custom mono amplifier board perfectly suited for your tractor. I will design the schematic integrating the dual supply architecture with the required power transistors alongside the UPC1237 protection circuit and onboard preamplifier. The printed circuit board layout will feature widened copper pours for high current stability and perfectly aligned edge components for easy heatsink mounting. I will deliver manufacturing ready Gerbers optimized for Robu along with the bill of materials and complete 3D renderings. Best regards

₹3,000 INR in 7 days

5.0

(4 reviews)

2.5

@abhinavv370

I have designed high power motor controllers, ESCs and IR and RF signal transfer PCBs. Hi, I came across your custom High-Power Mono Amplifier PCB design, I have prior experience with Analog Electronics and Power Electronics Designs. I can help with Schematic, Layout, 3D PCB, ZIP file and BOM. I would make the board with dedicated Bass and Treble control switches. Will provide a high level of power security system. I will deliver every thing in 2 days, and two revisions(if req.) for later. Thankyou.

₹5,000 INR in 2 days

0.0

(0 reviews)

0.0

@fahada151

Hello, Your amplifier project is very interesting and aligns well with my experience in KiCad PCB design, analog electronics, and power PCB layout. I'm currently working on commercial PCB projects, including a Nordic nRF9151 IoT board, where I handle schematic capture, PCB layout, component placement, DRC/DFM verification, and manufacturing-ready deliverables. For your design, I can create a robust PCB featuring the 2SC5200/2SA1943 output stage, BD139/BD140 drivers, NE5532/TL072 preamp, UPC1237 speaker protection, and a layout optimized for high-current operation with wide copper pours, proper grounding, thermal considerations, and aligned transistor placement for a shared heatsink. I'll also include the secondary protected speaker output, clear silkscreen labeling, and complete manufacturing files. Deliverables: KiCad schematic & PCB Gerbers, Drill & Pick-and-Place files Complete BOM with manufacturer part numbers 3D PCB render Design documentation and support during review I value clear communication and will work closely with you to ensure the board is reliable, manufacturable, and meets your performance expectations. Best regards, Fahad Ahmed Electronics Engineer | KiCad PCB Design | Analog Electronics | Power PCB Layout | Embedded Systems

₹1,050 INR in 5 days