Design redundant PSU for door release
Current door release mechanism has a single PSU driving both thermal knifes in constant voltage mode
flowchart LR
A[Harness] -->|9-25VDC| B(DC-DC Converter)
B --> C[Thermal Knife 1]
B --> D[Thermal Knife 2]
Redesign for one PSU per thermal knife
PSU should work in current limit mode to accommodate thermal knife resistance changes
PCB layout must maintain current dimensions and positions of mounting holes and feedback switch
flowchart LR
A[Harness] -->|9-25VDC| B(DC-DC Converter)
A[Harness] -->|9-25VDC| D(DC-DC Converter)
B --> C[Thermal Knife 1]
D --> E[Thermal Knife 2]
Edited by Ilias Daradimos