Timeline for Best way to protect a MOSFET from overcurrent
Current License: CC BY-SA 4.0
4 events
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Nov 3, 2018 at 20:19 | comment | added | Spehro 'speff' Pefhany | That's a design decision. There are much better switchmode controller chips than 555s, UC3842 is a classic, and is very cheap, but there are many others. | |
Nov 3, 2018 at 19:58 | comment | added | sadegh satari | "Hardware-based circuits are less of an issue." I thought of something like 555 but I need more control on switching frequency. I used IR2103 to limit intereference between mosfet/transformer and MCU, and I'll isolate their ground and power via routing and inductors. I can use lightbulb during development, that's an awesome idea, but is a ptc enough for the final product? | |
Nov 3, 2018 at 16:16 | comment | added | Hearth | I always find it fascinating seeing a lightbulb used in this manner. | |
Nov 3, 2018 at 16:14 | history | answered | Spehro 'speff' Pefhany | CC BY-SA 4.0 |