WirelessCharger V0.1
About the WirelessCharger V0.1 PCB
WirelessCharger V0.1 is an open source STM32 PCB design by hkustenterprize, published on GitHub under the GPL-3.0 license. It is a 4-layer board measuring 64 × 64 mm, with 187 components from 67 distinct parts.
Its main chip is the STM32G474RBTX, from the STM32 family. Other key parts include the UCC27211DRM, TJA1042T-3, GS8552-SR, RS3236 and RY8411. By type, the board carries 82 capacitors, 53 resistors, 15 diodes, 9 ICs, 8 connectors and 7 transistors.
It belongs with the iot & wireless and power & battery designs in this gallery.
From the project
大家好呀，RM2025的超级电容和无线充电的开源报告终于写完了，这套前前后后做了三四个月，最后在用在了所有上场的车上（无线充只有步兵和英雄有），场上没出过什么问题，很稳定。硬件上与上一代开源没有很大变动，主要的改动是超级电容换了峰值电流内环，然后与无线充电进行了融合，放到了一个MCU上去控。虽然有一些缺陷和不足但是总体效果还可以，希望可以帮到大家。如果大家有任何有疑问或者发现有问题的地方欢迎随时联系！
大家好呀，RM2025的超级电容和无线充电的开源报告终于写完了，这套前前后后做了三四个月，最后在用在了所有上场的车上（无线充只有步兵和英雄有），场上没出过什么问题，很稳定。硬件上与上一代开源没有很大变动，主要的改动是超级电容换了峰值电流内环，然后与无线充电进行了融合，放到了一个MCU上去控。虽然有一些缺陷和不足但是总体效果还可以，希望可以帮到大家。如果大家有任何有疑问或者发现有问题的地方欢迎随时联系！
发射端/功控板硬件、功控板代码：xzm > 联系方式：微信 xianziming0531，邮箱 zxianaa@connect.ust.hk
发射端代码：zzy > 联系方式：微信 baoqi-zhong，邮箱 zzhongas@connect.ust.hk
因为峰值电流调试起来比较复杂，也比较麻烦，所以大家有需要还是建议优先参考我们24年/23年的开源，这两版电容都是可以保证稳定的，24年的开源基本上板子做出了烧个代码就能用了。
Main components on the WirelessCharger V0.1
WirelessCharger V0.1 bill of materials (BOM)
187 components, 67 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | UCC27211DRM | SOIC-8_3.9x4.9mm_P1.27mm | U1, U2 |
| 1 | TJA1042T-3 | SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | GS8552-SR | SOIC-8_3.9x4.9mm_P1.27mm | U5 |
| 1 | STM32G474RBTX STM32G474RBTx | LQFP-64_10x10mm_P0.5mm | U9 |
| 2 | RS3236 | SOT-23-5 | U10, U11 |
| 2 | RY8411 | SOT-23-6 | U12, U13 |
| 4 | BSC070N10NS3G | TDSON-8-1 | Q1, Q3, Q5, Q6 |
| 3 | AO3400A | SOT-23 | Q2, Q4, Q7 |
| 1 | 25MHZ_3225 25Mhz_3225 | Crystal_SMD_2016 | Y1 |
| 1 | Coil | AMASS_XT30U-F_Vertical | J1 |
| 1 | CONN_01X02 Conn_01x02 | AMASS_XT30U-M_Vertical | J2 |
| 1 | 10V | JST_PH_B2B-PH-SM4-TB_1x02-1MP_P2.00mm_Vertical | J3 |
| 1 | CONN_01X02 Conn_01x02 | AMASS_XT30U-F_Vertical | J5 |
| 1 | SWD | Molex_PicoBlade_53261-0471_1x04-1MP_P1.25mm_Horizontal | J6 |
| 2 | CAN3 | JST_GH_BM02B-GHS-TBT_1x02-1MP_P1.25mm_Vertical | J7, J8 |
| 1 | WLED | JST_PH_B2B-PH-SM4-TB_1x02-1MP_P2.00mm_Vertical | J9 |
| 1 | Buzzer | MLT-9032 | BZ1 |
| 1 | Fuse | Fuse_Littelfuse-NANO2-451_453 | F1 |
| 2 | 1A 1206 | Fuse_1206_3216Metric | F2, F3 |
| 1 | Coil_P | TestPoint_Plated_Hole_D2.0mm | H8 |
Show 47 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Coil_N | TestPoint_Plated_Hole_D2.0mm | H13 |
| 2 | BTN | Button_PTS810 | SW1, SW3 |
| 1 | NRST | Button_PTS810 | SW2 |
| 2 | BZT52C3V3S | D_SOD-123F | D1, D4 |
| 2 | 1N4007 | D_SMF | D2, D3 |
| 2 | K34 | D_SMF | D5, D17 |
| 1 | ESD1CAN | SOT-23 | D6 |
| 2 | WS2812B-2020 | WS2812B-2020 | D7, D8 |
| 1 | SMCJ28A | D_SMC | D9 |
| 1 | 3V3 | LED_0603_1608Metric | D18 |
| 1 | 5V | LED_0603_1608Metric | D19 |
| 1 | 12V | LED_0603_1608Metric | D20 |
| 1 | CHA1 | LED_0603_1608Metric | D22 |
| 1 | CHB1 | LED_0603_1608Metric | D24 |
| 1 | Lp | L_90125_3P | L1 |
| 2 | 4U7 4u7 | L_Sunlord_SWPA3015S | L4, L5 |
| 11 | 4U7 4u7 | C_0603_1608Metric | C1, C2, C43, C51, C52, C59, C60, C67 +3 |
| 2 | Cbst | C_0603_1608Metric | C3, C4 |
| 10 | 10U 10u | C_1206_3216Metric | C5, C6, C7, C8, C9, C10, C34, C35 +2 |
| 10 | ? | C_Rect_L11.0mm_W5.1mm_P10.00mm_MKT | C11, C12, C13, C14, C21, C26, C81, C82 +2 |
| 4 | 10N 10n | C_0603_1608Metric | C15, C56, C57, C58 |
| 3 | NC | C_0603_1608Metric | C16, C17, C74 |
| 1 | 13N 13n | C_0603_1608Metric | C18 |
| 1 | 80P 80p | C_0603_1608Metric | C19 |
| 1 | 3N3 3n3 | C_0603_1608Metric | C20 |
| 3 | 20P 20p | C_0603_1608Metric | C22, C23, C45 |
| 1 | 10U 10u | C_0603_1608Metric | C24 |
| 15 | 100N 100n | C_0603_1608Metric | C25, C27, C28, C29, C31, C33, C49, C50 +7 |
| 2 | 220U 220u | CP_Radial_D8.0mm_P3.50mm | C30, C38 |
| 12 | ? | C_1206_3216Metric | C32, C39, C40, C41, C42, C44, C46, C47 +4 |
| 6 | 10U 10u | C_0805_2012Metric | C36, C37, C69, C70, C72, C73 |
| 4 | RGate | R_0603_1608Metric | R1, R2, R4, R5 |
| 5 | 4K7 4k7 | R_0603_1608Metric | R3, R15, R16, R20, R21 |
| 3 | 51K 51k | R_0603_1608Metric | R6, R7, R10 |
| 3 | 1k | R_0603_1608Metric | R8, R9, R32 |
| 1 | 25K5 25k5 | R_0603_1608Metric | R11 |
| 3 | 100K 100k | R_0603_1608Metric | R12, R13, R19 |
| 1 | 10NF 10nF | R_0603_1608Metric | R14 |
| 14 | 120R | R_0603_1608Metric | R17, R22, R23, R24, R27, R31, R42, R43 +6 |
| 1 | R | R_1206_3216Metric | R18 |
| 8 | 10K 10k | R_0603_1608Metric | R25, R28, R29, R38, R40, R44, R45, R49 |
| 4 | 2K2 2k2 | R_0603_1608Metric | R26, R30, R34, R55 |
| 1 | 2MR 2mR | R_2512_6332Metric | R35 |
| 1 | 118K 118k | R_0603_1608Metric | R37 |
| 1 | 53K6 53k6 | R_0603_1608Metric | R39 |
| 2 | 0R | R_0603_1608Metric | R41, R50 |
| 1 | 33K 33k | R_0603_1608Metric | R54 |
WirelessCharger V0.1 design files
The KiCad project lives in the hkustenterprize/RM2025-PowerControlBoard-WirelessCharging repository on GitHub; these links point at the commit this page was built from.
WirelessCharger V0.1: common questions
What microcontroller does the WirelessCharger V0.1 use?
The WirelessCharger V0.1 is built around the STM32G474RBTX, from the STM32 family.
How big is the WirelessCharger V0.1 PCB?
The WirelessCharger V0.1 measures 64 × 64 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the WirelessCharger V0.1?
187 components, from 67 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the WirelessCharger V0.1 design files?
From the hkustenterprize/RM2025-PowerControlBoard-WirelessCharging repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the WirelessCharger V0.1 design in my own project?
Yes, under the terms of its GPL-3.0 license, which hkustenterprize chose for the repository.
Can I test firmware for the WirelessCharger V0.1 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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