Wireless charger
About the Wireless charger PCB
Wireless charger is an open source PCB design by ocean-discovery-league, published on GitHub. It is a 4-layer board measuring 65 × 69.5 mm, with 117 components from 54 distinct parts.
Other key parts include the P9242-R, AP63205WU-7 and LMV331IDBVR. By type, the board carries 48 capacitors, 44 resistors, 9 transistors, 3 ICs, 3 diodes and 2 connectors.
It belongs with the iot & wireless and power & battery designs in this gallery.
From the project
All files needed to build a Maka Niu
Instructions for fabrication and software installation here.
Please direct all questions concerning fabrication plans or direct purchase of the Delrin housing to Dr. Allan Adams of Oceanic Labs (allan@oceanic-labs.org)
Main components on the Wireless charger
Wireless charger bill of materials (BOM)
117 components, 54 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | P9242-R | QFN40P600X600X100-49N | U1 |
| 1 | AP63205WU-7 AP63205 | TSOT-23-6 | U2 |
| 1 | LMV331IDBVR LMV331 | SOT-23-5 | U3 |
| 4 | DMG7430LFG-7 DMG7430LFG | TRANS_DMP3017SFGQ-7_b | Q1, Q2, Q3, Q4 |
| 3 | 2N7002KT1G 2N7002 | SOT-23 | Q5, Q7, Q8 |
| 1 | SIA449DJ-T1-GE3 SIA449DJ | Vishay_PowerPAK_SC70-6L_Single | Q6 |
| 1 | NTR4003NT1G NTR4003N | SOT-23 | Q9 |
| 1 | PJ-002AH Barrel_Jack_Switch | CUI_PJ-002AH | J1 |
| 1 | PPTC032LFBN-RC DNP | PinHeader_2x03_P2.54mm_Vertical | J2 |
| 1 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | Fan1 |
| 2 | MountingHole_Pad | TestPoint_THTPad_D2.0mm_Drill1.0mm | LX1, LX2 |
| 1 | NB12K00103KBB 10K Thermistor | R_0805_2012Metric | TH1 |
| 1 | LTST-S270KGKT GREEN | LED_0603_1608Metric | CHG_LED1 |
| 1 | LTST-S270EKT RED | LED_0603_1608Metric | FLT_LED1 |
| 2 | BAV21W-7-F BAV21W | D_SOD-123 | D1, D2 |
| 1 | MBR0530T1G MBR0530 | D_SOD-123 | D3 |
| 1 | LQM18PN4R7MFR 4.7uH | L_0603_1608Metric | L1 |
| 1 | DFE252012P-4R7M=P2 4.7uH | L_1008_2520Metric | L2 |
| 12 | GRM155R71E104KE14D 0.1uF | C_0402_1005Metric | C1, C2, C3, C4, C13, C15, C21, C26 +4 |
| 10 | GRM188R61E106KA73D 10uF | C_0603_1608Metric | C5, C14, C31, C36, C37, C38, C40, C41 +2 |
Show 34 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | CC0402KRX5R8BB104 1uF | C_0402_1005Metric | C6, C12, C16, C27 |
| 2 | CC0402FRNPO9BN560 56pF | C_0402_1005Metric | C7, C9 |
| 1 | GCM155R71E682KA37D 6.8nF | C_0402_1005Metric | C8 |
| 2 | CC0603KRX7R9BB223 22nF | C_0603_1608Metric | C10, C11 |
| 1 | CC0402KRX7R9BB681 680pF | C_0402_1005Metric | C17 |
| 1 | CL10B102KB8WPJC 1nF | C_0603_1608Metric | C18 |
| 3 | C1608C0G2A562J080AE 5.6nF | C_0603_1608Metric | C19, C35, C39 |
| 3 | GRM31C5C2A104JA01L 100nF | C_1206_3216Metric | C20, C23, C24 |
| 1 | GRM155R71H223KA12J 22nF | C_0402_1005Metric | C22 |
| 1 | C3216C0G2A683J160AC 68nF | C_1206_3216Metric | C25 |
| 2 | CL31A226KAHNNNE 22uF | C_1206_3216Metric | C28, C32 |
| 1 | CC0603KPX7R9BB104 0.1uF | C_0603_1608Metric | C42 |
| 1 | CL10A105KA8NNNC 1uF | C_0603_1608Metric | C43 |
| 1 | CAP CER 4.7UF 25V X5R 0603 4.7uF | C_0603_1608Metric | C44 |
| 1 | CL10B104KB8NNNL 100nF | C_0603_1608Metric | C45 |
| 1 | CC0402GRNPO9BN150 15pF | C_0402_1005Metric | C48 |
| 4 | RC0402JR-071KL 1K | R_0402_1005Metric | R1, R3, R7, R9 |
| 13 | RC0402FR-0710KL 10K | R_0402_1005Metric | R2, R5, R6, R13, R16, R19, R20, R22 +5 |
| 1 | RC0402JR-07680RL 680 | R_0402_1005Metric | R4 |
| 5 | ERJ-2GEJ104X 100K | R_0402_1005Metric | R8, R26, R30, R31, R32 |
| 2 | ERJ-3GEYJ394V 390K | R_0603_1608Metric | R10, R12 |
| 2 | RC0603FR-07200KL 200K | R_0603_1608Metric | R11, R35 |
| 1 | ERJ-2GEJ242X 2.4K | R_0402_1005Metric | R14 |
| 2 | ERJ-2RKF10R0X 10 | R_0402_1005Metric | R15, R21 |
| 1 | RC0402FR-0712KL 12K | R_0402_1005Metric | R17 |
| 1 | WSL0805R0200FEA 0.02 | R_0805_2012Metric | R18 |
| 1 | 249K | R_0402_1005Metric | R24 |
| 4 | ERJ-2GEJ120X 12 | R_0402_1005Metric | R25, R27, R28, R29 |
| 1 | RC0805FR-073RL 3 | R_0805_2012Metric | R33 |
| 1 | ERJ-3EKF1003V 100K | R_0603_1608Metric | R34 |
| 2 | ERJ-2BSJR10X 0.1 | R_0402_1005Metric | R36, R37 |
| 1 | CRCW040214K3FKED 14.3K | R_0402_1005Metric | R40 |
| 1 | RC0402FR-0715K8L 15.8K | R_0402_1005Metric | R44 |
| 1 | RCS0805220RFKEA 220 | R_0805_2012Metric | R45 |
Wireless charger design files
The KiCad project lives in the ocean-discovery-league/maka-niu-design-files repository on GitHub; these links point at the commit this page was built from.
Wireless charger: common questions
How big is the Wireless charger PCB?
The Wireless charger measures 65 × 69.5 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Wireless charger?
117 components, from 54 distinct parts. The full bill of materials is listed on this page.
Where can I download the Wireless charger design files?
From the ocean-discovery-league/maka-niu-design-files repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Wireless charger design in my own project?
The repository has no license, so all rights stay with ocean-discovery-league. Use it as a reference, and ask the author before reusing the design.
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