RAK4630 Dev Board Design
I want to design a RAK4630 dev board, with compatibility to program via SWD and USB, to have a bunch of free via's for sensors like ADXL355, adxl1002, tmp117, the power has to be LISo-CL2. the pcb has to 40x50 mm
46 days
1:41
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U1
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I’ll create a 40x50 mm RAK4630 dev board with SWD/USB programming, LiSOCl2 power, and accessible IO for sensors.
Planned steps:
- Power: define LiSOCl2 input, protection/conditioning, decide if USB also powers or is data-only; decoupling.
- Core I/O: integrate U1, SWD header (2x5 SWD 1.27mm), USB connector (USB Type-C receptacle); add TVS and 22–33 Ω series resistors on USB D+/D-.
- Expansion: break out I2C/SPI/UART/ADC/INT to headers/test vias for sensors like ADXL355, ADXL1002, TMP117; add I2C pull-ups.
- PCB: set board to 40x50 mm, place with routing clearance and RF keepouts; add mounting holes.
- Verify: ERC/DRC and availability checks.
Before I start:
- USB power: should USB also power the board, or strictly data-only?
- USB type: Type-C or Micro-B?
- LiSOCl2: which cell format/voltage input path (e.g., JST input vs holder), and any low-Iq regulation target voltage (e.g., 3.3 V)? Click Start on the plan bar when ready.
Choose USB-C and power
Pick LiSOCl2 holder
Define sensor buses
Request USB protection parts
Ask about board outline in Flux
46 days
Ready to start.
Show Plan
U1
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