IONI hardware revisions

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List IONI drive hardware revisions and changes.

Release date Models PCB version Component configuration Changes
2015 IONI, IONI Pro, IONI Pro HC V26 Initial version Initial release
1.2017 IONI, IONI Pro V26 V6
  • Changed voltage sense resistor value to have equal value with other models
    • No practical effect for end user
  • Changed GPI1,2,3 series resistors from 220 ohm to 68 ohm
    • Improve clock signal strength with BiSS and SSI encoders
1.2017 IONI Pro HC V26 V6
  • Changed GPI1,2,3 series resistors from 220 ohm to 68 ohm
    • Improve clock signal strength with BiSS and SSI encoders
1.2017 IONI, IONI Pro, IONI Pro HC V29 V6
  • New PCB revision with reduced encoder to current sense crosstalk
    • In high inductance motors may reduced motor audible noise
    • Crosstalk is reduced by approximately 10 dB
  • Added 3300 ohm pull-up resistor to GPI5 input

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