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Fix wrong current limit duty cycle calculation #134

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sb10q merged 1 commits from atse/thermostat:fix_wrong_current_limit_duty_cycle_cal into master 2024-09-25 17:20:29 +08:00
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atse commented 2024-09-23 18:01:51 +08:00
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max_i_pos and max_i_neg don't quite accurately limit current outputs.

This is because previous commits assumed setting 3.3V -> 3A current limit, which is wrong.

According to the MAX1968 datasheet,
Unsaved Image 2.png

`max_i_pos` and `max_i_neg` don't quite accurately limit current outputs. This is because previous commits assumed setting 3.3V -> 3A current limit, which is wrong. According to the MAX1968 datasheet, ![Unsaved Image 2.png](/attachments/0d455c27-1669-4cad-b956-2234a0081c07)
Unsaved Image 2.png
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atse added 1 commit 2024-09-23 18:01:52 +08:00 
- prev commit assumed setting 3.3V -> 3A current limit which is wrong
- Please refer to the MAX1968 datasheet for the duty cycle
calculation equation
sb10q merged commit ad54842c43 into master 2024-09-25 17:20:29 +08:00
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Reference: M-Labs/thermostat#134
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