USB Current Sensor Measuring Module

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To available Seeed Studio Sevices: https://www.seeedstudio.com/prototype-pcb-assembly.html

USB 2.0 A to C Cables

INA290A1 Ultra-Precise Current Sense Amplifier

• Operating supply range (VS): 2.7 V to 20 V
• Common-mode input range: VS to +120 VGain: 20V/V
• Gain error: ±0.1% (maximum)
• Offset voltage: ±12 μV (maximum)
• High bandwidth: 1.1 MHzSlew rate: 2 V/μs
• Quiescent current: 370 μA
• Operating temperature range: -40 °C to +125 °C

0.05 Ohm Sense Resistor: 0.2W maximum

Current sensing range: 2A maximum

Voltage drop at 2A: 0.1V

Schematics, Bill of Materials, and PCB Layout along with 3D view is attached below

Now we have got the PCB design and it’s time to order the PCB’s. For that, you just have to go to Seeed Studio and click on the“QUOTE NOW” button.

To get the PCB manufactured, upload the Gerber file you downloaded in the last step. Upload the.zip file or you can also drag and drop the Gerber files.

After uploading the zip file, you’ll see a success message at the bottom if the file is successfully uploaded.

You can review the PCB in the Gerber viewer to make sure everything is good. You can view both the top and bottom of the PCB. After making sure our PCB looks good, we can now place the order at a reasonable price. You can order 5 PCBs for just $2 but if it’s your first order then you can get 5 PCBs for $2.

To place the order, click on the“SAVE TO CART” button. My PCBs took 2 days to get manufactured and arrived within a week using the DHL delivery option. PCBs were well packed and the quality was really good.