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I will design a precision current measurement pcb with shunt amplifier and low offset
pcb design
I can help you bring a project to life from scratch, all the way to a fully functional prototype ready for production. I can design a complete board with a microcontroller, power supply circuit, batte...
About this Gig
I will design a precision current measurement PCB using a shunt resistor and current-sense amplifier for power monitoring, battery systems, motor controllers, and embedded electronics.
What I can design:
- High-side and low-side current sensing circuits
- Shunt resistor and current-sense amplifier integration
- Kelvin connections for improved measurement accuracy
- Analog signal conditioning and filtering
- ADC interfaces for ESP32, STM32, and other controllers
- Power supply, protection, and connector integration
- Low-noise PCB layout and grounding considerations
- Circuit schematics and component selection
- PCB design rule checks and manufacturing files
What you will receive:
- Circuit schematic, if included in your package
- Custom PCB layout
- Bill of materials (BOM)
- Gerber and drill files
- Editable design files according to your package
I focus on practical component selection, careful shunt routing, noise reduction, and measurement-circuit design tailored to your current range and accuracy requirements.
Please message me before placing an order so we can confirm your requirements and project scope.
FAQ
What is a shunt amplifier current measurement PCB?
It measures the small voltage across a shunt resistor and amplifies that signal so a controller or ADC can measure current.
Can you design high-side and low-side current sensing circuits?
Yes. The suitable approach depends on the supply voltage, common-mode voltage, current range, and measurement requirements.
Can you design a precision current measurement circuit?
Yes. I can account for amplifier offset, shunt tolerance, temperature effects, gain, noise, and ADC resolution during design. Actual accuracy requires validation.
Can the PCB connect to ESP32 or STM32?
Yes. The analog output can be designed to suit the selected controller's ADC input range and electrical requirements.
Can you include Kelvin connections?
Yes. Separate sense connections can reduce errors caused by voltage drops in the high-current paths when implemented correctly.
Can you design for battery or motor current monitoring?
Yes. Share the expected current, voltage, transient conditions, and operating environment so the shunt, amplifier, and PCB layout can be selected appropriately.
Do you provide calibration and physical testing?
Not by default. Calibration, prototype fabrication, and measurement verification require a separate agreement.
