Triple-Rail DC Power PCB Design -- 2

@Mahihassi

As a dedicated Electrical Engineer with a Master's degree in Embedded Systems and proven success in firmware development, PCB design, and complete IoT product engineering, I’m uniquely positioned to deliver exceptional results for your Triple-Rail DC Power PCB project. With my skills and experience, I will not only create a compact and production-ready PCB layout using Altium, KiCad or Orcad that meets your specific power output requirements (24 V @ 12 A, 12 V @ 12 A and 5 V @ 10 A) but also integrates intelligent functionality such as the automatic switching between the main supply and the lithium-ion battery pack when a brownout is detected. My ability to drive status LEDs based on input power detection, configure GPIO serial interface for ease of use and protect every output with robust over-current, overvoltage, short-circuit protection mechanisms aligns well with your safety goals. Additionally, I assure you that I am meticulous when it comes to separation of power and logic grounds as well as thermal considerations. I safeguard against reverse polarity on the battery input due to my deep understanding of electrical safeguards required in factory settings. Thus, by choosing me for this project, you are enlisting an expert who can deliver not only on time but with an eye for detail and quality from the schematic stage all the way through fabrication, assembly line integration and post-production support.

@macroenergy

With over a decade of experience in circuit design, electrical engineering, and electronics, I am confident that I can deliver a compact, production-ready PCB that perfectly fits your requirements for an industrial-automation control panel. My background in Digital Motor Control and Power Electronics would be instrumental in designing the triple-rail DC power PCB you need. I have extensive domain knowledge and practical experience in working with Lithium-ion battery packs, which is crucial for ensuring seamless switching when the main supply drops. Moreover, my proficiency in Altium and Orcad as well as my past work involving robust overcurrent, overvoltage and short-circuit protection will give you peace of mind regarding the safety of your factory environment. My solid grounding in Embedded Systems means I understand the importance of clear separation of power and logic grounds that you've emphasized for this project. Additionally, I can provide you with well-commented source, compiled HEX files and a simple serial/GPIO interface to ensure optimum performance and easy configuration. To summarize, not only do I have the technical skills but also the due diligence to keep this project moving swiftly while keeping you informed at every stage. With me on board, you can rest assured knowing that your project is in capable hands – one who understands your requirements intimately and delivers above expectations.

@amelectronics

Hi, I can help develop your industrial power management board, including the schematic, PCB layout, 8051 firmware, and production-ready manufacturing files. I have experience with embedded hardware, custom PCB design, power management, and firmware development. I'll ensure the design includes proper protection, power monitoring, battery failover logic, and clear documentation to support prototyping and production. Please share any preferred battery specifications and input voltage details so I can review the requirements and provide an accurate timeline. Thanks!

@cpp2048

Mostly it's upto 12A. Do you need it to be isolated or just the down conversion? What's the input DC bus voltage ? Do they need remote sensing option ? What's the target efficiency needed and do you need it to be cost effective solution or it is something cost doesn't matter but robustness and MTBF matter ? Do you have any specific size criteria ? Can you share the switching diagram and Input Output sections as well as how controller will interact with this ? Do you just need the design or do you also need someone will handle it completely that includes building prototypes, testing etc ? Yes, I have testing gears to test such thing inhouse. So, I can offer a complete solution as well.

@tshibsamuel477

Hi there, I read your offer carefully and understand that you need a compact industrial power backup PCB with one DC input, regulated 24V/12A, 12V/12A, and 5V/10A outputs, lithium-ion battery failover, 8051-based supervision, sequencing, LEDs, configuration interface, and full protection. I can support the schematic, PCB layout, power-stage selection, battery failover architecture, overcurrent/overvoltage/short-circuit protection, reverse-polarity protection, thermal and copper-weight planning, 8051 firmware, HEX file, BOM, Gerbers, NC drill files, and a basic validation test procedure. My experience with power electronics, battery-powered systems, embedded firmware, industrial PCB design, protection circuits, Altium/KiCad/OrCAD, and production-ready documentation fits this project well. Just send me a message and we can review the input supply, battery pack, load profile, and first schematic milestone. Best regards, Samuel Tshibangu

@hayteekeys

HI, KINDLY READ THROUGH MY PROPOSAL I will design a compact, production-ready PCB that converts a single DC input into three high-current regulated rails (24 V @ 12 A, 12 V @ 12 A, 5 V @ 10 A) with seamless lithium-ion battery backup for 5–10 minutes, controlled by an onboard 8051 MCU with full protection and sequenced shutdown. MY APPROACH
 ✅ Phase 1: Schematic design of the multi-rail power stage, battery switch-over, 8051 sensing/control, and all OCP/OVP/SCP + reverse-polarity protections.
 ✅ Phase 2: Thermally optimised PCB layout with proper copper weights, ground separation, and clean power/logic partitioning.
 ✅ Phase 3: Firmware (commented source + HEX), prototype build, full load/fail-over/protection testing, and production files. DELIVERABLES • Complete schematic (KiCad or Altium) • PCB layout + Gerber/NC drill files • Annotated production BOM • Test procedure + 1 working prototype • Well-commented 8051 source, HEX, and config interface QUESTIONS 1 What is the nominal DC input voltage range and preferred battery pack voltage/capacity? 2 Any preferred CAD tool (KiCad preferred on my side) or enclosure constraints? 3 Required isolation or specific trip thresholds for the protections? Ready to start immediately with milestone reviews at schematic, layout and firmware. Typical timeline 7-10days to prototype.

@abdurRafiqM

HI, I am an experienced electronics and PCB Design engineer, specialised in use of ECAD software such as Altium Designer, KICAD, EasyEDA, etc. for the the design of electronics and PCB. I will design your projects to meet your Requirements and the industry standard. I do all kinds of circuits such as Power delivery circuit, Sensor Integrated Circuits, wireless control, MCUs etc. I will deliver the following. The Schematics for your Design The PCB for the design Bill of materials(If needed) Gerber, Pick and Place and other manufacturing and assembly drawings needed. Full Support and consultancy till the project is done. Kindly send me message for my previous designs and also so we can discuss further on your project I look Forward to working with you. Best Regards, Abdur-Rafiq

@FranciscoSilvi

Hi There! As you can see in my portfolio on my profile, I have extensive experience designing PCBs and mass production equipment, just like you need. I can handle your project. I apologize for the simple proposal; I know you're probably tired of reading AI-generated proposals, and I'd rather not waste time on that. If you're interested in working with me, send me a message and we can work out the details! Best Regards!

@mahmoudralizadeh

I can design this complete industrial power-management PCB from schematic through a production-ready prototype. My approach will cover the three regulated rails (24V/12A, 12V/12A and 5V/10A), lithium-ion battery failover, protection circuitry, thermal management, grounding strategy and the 8051-based monitoring/control firmware. I will also handle component selection with production availability and cost in mind. Deliverables: - Complete Altium/KiCad schematic - Production-ready multilayer PCB layout - Gerber & NC Drill files - Production BOM with manufacturer part numbers - 8051 well-commented source code + HEX - Serial/GPIO configuration interface - Power-fail/battery failover and shutdown sequencing - Protection and thermal design - Basic validation/test procedure - Working prototype I will work milestone-by-milestone (schematic → PCB → firmware → prototype/testing) and provide design files suitable for manufacturing and assembly.

@alluankit01

Hi, I can design your compact triple-rail DC power PCB with 24V/12A, 12V/12A, 5V/10A outputs, lithium-ion battery backup, 8051 monitoring/control, protection circuits, firmware, and production-ready manufacturing files. The best solution is to first finalize input voltage range, battery pack specs, backup time, rail sequencing, load profile, enclosure size, cooling method, and protection trip points. Then I’ll design the power architecture, battery failover circuit, output protection, MCU sensing/control, status LEDs, configuration interface, thermal strategy, and PCB layout with proper copper width, grounding, clearance, and industrial reliability. I’m comfortable with DC power supply design, high-current PCB layout, battery backup systems, 8051 firmware, overcurrent/overvoltage/short-circuit protection, thermal design, Altium/KiCad, BOM selection, Gerber generation, and prototype test procedures. Deliverables will include: * Complete schematic * PCB layout and Gerbers * NC drill files * Annotated BOM * 8051 source code and HEX * Battery failover logic * Rail shutdown sequencing * Protection circuit design * Load and failover test procedure * Prototype debugging support * Manufacturing-ready documentation I’ll focus on safe, reliable, and production-ready design suitable for industrial automation control panels. Best regards Ankit

@Dikshalikha

Hi, I'd love to work on your project. I have extensive experience designing industrial power electronics, multi-output power supply PCBs, battery backup systems, and embedded controller circuits for production-ready applications. I can develop a compact PCB that delivers regulated **24V @ 12A, 12V @ 12A, and 5V @ 10A** outputs with automatic lithium-ion battery failover, controlled by an 8051 microcontroller. The design will include robust overcurrent, overvoltage, short-circuit, reverse-polarity, and thermal protection, along with proper power integrity, copper sizing, and isolation between power and logic sections. I'll provide the complete schematic, PCB layout, Gerber and manufacturing files, firmware source code with compiled HEX, an annotated BOM, test procedures, and support through prototype validation to ensure the board is ready for production. I'd be happy to share similar industrial power supply and embedded PCB design projects from my portfolio. Best regards, Diksha L

@Ryan15222

Dear Hiring Manager, I am very interested in your industrial power management PCB project. My background in power electronics, embedded systems, and PCB design enables me to deliver a reliable, production-ready solution suitable for industrial automation applications. I understand the project requires a compact PCB that: - Accepts a single DC input and provides three regulated outputs: 24V @ 12A, 12V @ 12A, and 5V @ 10A. - Automatically switches to a lithium-ion battery backup with seamless failover, maintaining operation for approximately 5–10 minutes. - Utilizes an 8051 microcontroller to monitor input power, control status LEDs, manage battery backup, and execute a controlled shutdown sequence after the configurable grace period. - Incorporates comprehensive protection, including overcurrent, overvoltage, short-circuit, reverse battery polarity, thermal management, and proper power/logic ground isolation for industrial reliability. My approach includes: - Designing high-efficiency synchronous buck converters with appropriate thermal analysis and copper sizing. - Careful PCB layout for high-current paths, EMI reduction, and manufacturability. - Developing clean, well-documented 8051 firmware with commented source code, compiled HEX, and a simple UART or GPIO-based configuration interface. I look forward to discussing your project and helping develop a robust, manufacturing-ready industrial power management solution. Best regards

@Hmdlawal

HI, KINDLY READ THROUGH MY PROPOSAL The critical part isn't generating three high-current rails, it's achieving seamless battery switchover without output instability while managing thermal dissipation, protection coordination, and controlled shutdown timing under full load. I would separate the power and control domains, use dedicated high-efficiency synchronous converters with proper current sensing, and implement prioritized rail sequencing through the 8051. Protection, copper weight, thermal paths, and grounding will be designed for continuous industrial operation rather than laboratory conditions. I've completed 67+ engineering projects over 6 years involving power electronics, PCB design, and embedded control. A few details to confirm: what is the DC input voltage range, what battery chemistry and pack voltage will be used, and is charger integration required on the PCB or handled externally? PLEASE INITIATE A CHAT if you'd like to review the implementation details before we begin.

@Darkevil69

Hello, Your project requires much more than a standard power supply PCB—it needs a reliable industrial-grade power management solution with battery backup, protection, and intelligent control. I have experience in PCB design, embedded systems, power electronics, and firmware development, and I understand the importance of designing for reliability, thermal performance, and manufacturability. My approach would be to design a compact PCB with high-current power stages, robust overcurrent/overvoltage/short-circuit protection, automatic battery failover, and proper power/logic ground separation. The 8051 firmware will monitor input power, manage status LEDs, control the shutdown sequence after the configurable battery backup period, and include clean, well-commented source code, HEX files, and a simple serial/GPIO configuration interface. You'll receive complete schematics, PCB layout, Gerber files, BOM with production-ready components, firmware, and a documented test procedure covering load testing, battery switchover, and protection verification. I'll also provide regular milestone updates for schematic, PCB, and firmware reviews to ensure the design meets your expectations. A few questions: • What is the input DC voltage range? • Have you selected the Li-ion battery configuration (e.g., 6S/7S)? • Are there enclosure size or PCB dimension constraints? I look forward to discussing your requirements and delivering a production-ready solution.

@anjalio22

I’d love the opportunity to work on your triple-rail DC power PCB project. I have experience designing production-ready PCBs, embedded firmware, and power electronics for industrial applications. I can develop a compact PCB with a single DC input, delivering regulated 24V/12A, 12V/12A, and 5V/10A outputs, along with seamless Li-ion battery failover for 5–10 minutes. The design will include an 8051-based controller for power monitoring, status indication, configurable shutdown sequencing, and well-documented firmware (source + HEX). I will also implement comprehensive protection including overcurrent, overvoltage, short-circuit, reverse-polarity, and thermal-aware PCB design with proper copper weight and power/logic ground separation. You will receive the complete schematic, PCB layout, Gerbers, NC drill files, production-ready BOM, firmware, test procedure, and a working prototype. I’ll provide updates at every milestone—schematic, PCB, and firmware—to ensure the design matches your requirements and is ready for manufacturing.

@poojitham18

Hi i have more than 12 years experienced in circuit designed and development in my past i have deosgned lot of pcb for companies i can designed best way under emimec

@jihadk60

Hi, I can design a high-power, industrial-grade triple-rail DC supply (24V@12A, 12V@12A, 5V@10A) with seamless Li-ion battery backup and 8051 control logic. How I will handle your project specs: • High-Current Power Stage: Dedicated buck conversion topology optimized for high efficiency, thermal dissipation (heavy copper 2 oz/4 oz pour, adequate thermal vias), and strict power/logic ground separation (star grounding). • Automatic Failover & Safeguards: Fast automatic transfer circuit to Li-ion battery backup during main supply drops, integrated with reverse-polarity, overcurrent (OCP), overvoltage (OVP), and short-circuit protection across all outputs. • 8051 Firmware: Clean, well-commented C source code and compiled HEX to monitor input voltages via ADC/GPIO, drive status indicators, run timed sequential rail shutdown after grace periods, and provide a simple serial configuration interface. Deliverables Provided: 1. Complete editable KiCad / Altium schematic and PCB layout. 2. Fabrication & Assembly package: Production-ready Gerbers, NC drill, and CPL files. 3. Production BOM: Verified, in-stock components with MPNs (DigiKey/Mouser). 4. 8051 Firmware: Commented source files, compiled HEX, and serial interface protocol. 5. Comprehensive Test Procedure covering load capacity, trip-points, and failover timing. I am ready to review your input voltage range and battery pack specs to get started immediately. Best regards, Jihad Kassar Hardware & Embedded Systems Engineer

@morne01

We've recently helped a client design a compact, production-ready PCB that met stringent performance requirements. I will help you achieve a reliable power management solution tailored for your industrial automation needs. Your emphasis on a "clean, professional, user-friendly" design aligns perfectly with our approach. We understand the importance of integrating electrical safeguards such as overcurrent and overvoltage protection in a factory environment. We specialize in PCB design, firmware development, and have 75+ 5-star reviews on similar projects. We rank in the top 1 percent among 75 million users, ensuring you receive top-tier service. I look forward to collaborating with you on this project. Regards, MORNE.

@amand468

Greeting!! With over 4 years in the industry and proficient in Altium, KiCad and Orcad, I am confident in my ability to deliver a high-quality, production-ready PCB design that meets your unique specifications. Combining my skills in PCB layout and knowledge of electrical safeguards, I will guarantee robust overcurrent, overvoltage, short-circuit protection and reverse-polarity protection on every output of the board, ensuring optimal performance even in harsh industrial environments. In creating your compact Triple-Rail DC Power PCB, I understand that thermal considerations as well as adequate copper weights and clear separation of power and logic grounds are crucial. Being meticulous by nature, rest assured that these considerations would be given utmost priority during the layout process. Thanks to client, Aman D.