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6S Servo Module Rev. 2 Test Plan

6S Servo Module Rev. 2 Test Plan

Owned by Kenny Na
Last updated: 2025-03-11
1 min read

Assembly Checks

Verify no connector pins look soldered together
Verify no pins on STM32 look shorted
Verify pin 1 on chips aligns with indicator

Power Testing

DMM

Make sure no power rails are shorted to ground or each other with DMM

Power Supply

Slowly increase voltage (with low current limit, 100mA max) on buck input, check its not drawing excessive current/power (ensure no output load)

  • During testing, we found that the buck was unable to output above 0.9V. This turned out to be an issue with the UVLO resistor divider - flipping the resistor configuration solved the issue.

Probe the output net for voltage stability with DMM
Slowly increase voltage on internal 5V rail and verify the internal 3.3V rail turns on (LDO functionality)

E-load

Perform a load test on buck converter: use an e-load to fully saturate the buck and verify you get the output current expected

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