Timeline for Weird PWM failure
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
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| Jul 2, 2021 at 22:11 | answer | added | Bruce Abbott | timeline score: 1 | |
| Jul 2, 2021 at 19:15 | comment | added | rdtsc | I bet there is more than just windings and a commutator inside that fan. I suggest skipping this altogether, and using a 3-wire fan with built-in PWM control. | |
| Jul 2, 2021 at 18:47 | comment | added | Deron Felix | Motor's DC resistance about 60Ohms .. The driving transistor should handle up to 600mA .. The Motor's current doesn't exceed 200 mA .. It all works in On/Off mode but not in PWM with much lower currents !!! | |
| Jul 2, 2021 at 18:43 | history | edited | JRE | CC BY-SA 4.0 |
Exclamation marks are almost never used in English.
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| Jul 2, 2021 at 18:42 | comment | added | Transistor | What is the motor's DC resistance? Did you work out the startup current? | |
| Jul 2, 2021 at 18:36 | history | asked | Deron Felix | CC BY-SA 4.0 |