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add power information for camera

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Brendan Haines 2024-11-15 19:29:01 -07:00
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resource/camera/README.md
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@ -12,6 +12,29 @@ ON Semiconductor LUPA3000
HR10A-7P-4S(73) or HR10-7P-4S(73) look like the right mating connector. Pinout is unknown, I will likely need to open the camera to determine how to wire it.
Pin | Wire Color | PCB Connection
---|---|---
1, 2 (right when looking into camera connector with key up) | Black | CN1 pin 2
3, 4 | Green | CN1 pin 1
CN1 pin 1 goes through a fuse followed by a shunt diode. This makes me sad but it looks like they used shunt reverse polarity protection, not series :,(.
The fuse is marked `X050F OORZ`. This appears to be a PTC with part number SMD050F ([product page](https://www.littelfuse.com/products/polyswitch-resettable-pptcs/surface-mount/smd/smd050f_2.aspx)) (0.5A hold, 1A trip). The designers are redeemed in my eyes.
Based on the diode polarity, connectivity to power filter ([BNX022]()), and wire colors I think it is safe to say that CN1 pin 2 is GND and CN1 pin 1 is power.
Goes to Cosel MGS152405 power supply:
Model | MGS152405
---|---
Input Voltage | 18-36 VDC
Input Current | 0.7 A typical
Max Output Wattage | 15 W
Output Voltage | 5 VDC
Output Current | 3 A
To safely power this, I need 18-36V, 1A minimum.
### Data
4 DIN 1.0/2.3 connectors for CoaXPress