Primary routed
About the Primary routed PCB
Primary routed is an open source PCB design by 0x63616c, published on GitHub. It is a 2-layer board measuring 86 × 104 mm, with 33 components from 14 distinct parts.
Other key parts include the MAX17320G22+. By type, the board carries 13 resistors, 8 capacitors, 3 battery holders, 3 fuses, 3 diodes and 2 transistors.
It belongs with the iot & wireless designs in this gallery.
From the project
Compact rechargeable smart blinds: original CAD, integrated electronics, firmware and coordinated Home Assistant control.
This is a partial two-layer routing study, not a complete PCB or fabrication release. The canonical circuit and placement remain under hw/layouts/blind-pack-primary/. The derivative has 102 copper segments, 32 tented vias and no copper pours. 55 signal and bypass connections remain unrouted.
Red is the outward component face; blue is the inward face. The route includes the three individually fused cell branches, four retained raw links, the common-drain protection-FET path, protected output trunks, the shunt, and its two separate sense traces.
Main components on the Primary routed
Primary routed bill of materials (BOM)
33 components, 14 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MAX17320G22+ Analog Devices | QFN-24_L4.0-W4.0-P0.50-BL-EP2.6 | U1 |
| 2 | AON7400A Alpha & Omega Semiconductor | PDFN-8_L3.3-W3.3-P0.65-BL | Q1, Q2 |
| 3 | BH-21700-A5BJ001 MYOUNG | BAT-TH_BH-21700-A5BJ001 | BT1, BT2, BT3 |
| 3 | 0451003.MRL Littelfuse | FUSE-SMD_L6.1-W2.7 | F1, F2, F3 |
| 3 | BZT52C4V7 JSCJ | SOD-123_L2.8-W1.8-LS3.7-RD | D1, D2, D3 |
| 5 | CL05B104KB54PNC SAMSUNG | C0402 | C1, C2, C3, C4, C8 |
| 3 | CL21B474KBFNNNE Samsung | C0805 | C5, C6, C7 |
| 3 | 0402WGF1500TCE UNI-ROYAL | R0402 | R1, R10, R11 |
| 1 | 0402WGF1002TCE UNI-ROYAL | R0402 | R2 |
| 3 | 1206W4F1000T5E UNI-ROYAL | R1206 | R3, R4, R5 |
| 2 | 0402WGF1000TCE UNI-ROYAL | R0402 | R6, R7 |
| 2 | 0402WGF1001TCE UNI-ROYAL | R0402 | R8, R9 |
| 1 | 0402WGF100JTCE UNI-ROYAL | R0402 | R12 |
| 1 | WSL2512R0100FEA Vishay | R2512 | R13 |
Primary routed design files
The KiCad project lives in the 0x63616c/smart-blinds repository on GitHub; these links point at the commit this page was built from.
Primary routed: common questions
How big is the Primary routed PCB?
The Primary routed measures 86 × 104 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Primary routed?
33 components, from 14 distinct parts. The full bill of materials is listed on this page.
Where can I download the Primary routed design files?
From the 0x63616c/smart-blinds repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Primary routed design in my own project?
The repository has no license, so all rights stay with 0x63616c. Use it as a reference, and ask the author before reusing the design.
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