Microduck Power Regen R22
About the Microduck Power Regen R22 PCB
Microduck Power Regen R22 is an open source PCB design by ldcyes, published on GitHub. It is a 4-layer board measuring 65 × 75 mm, with 80 components from 47 distinct parts.
Other key parts include the i7C2W020A120V-P03-R, LM74800QDRRRQ1, INA226AIDGSR, INA300AIDGSR and TLV76050DBZR. By type, the board carries 31 capacitors, 21 resistors, 9 ICs, 6 connectors and 5 transistors.
From the project
已完成可编辑原理图、真实四层 PCB 和本地库。阶梯板面积 4510 mm²，比原 65×60 + 32×30 mm 两板总面积 4860 mm² 少 350 mm²（7.20%）。原 TDK 模块本体、四个安装孔和原 TDK 器件位置保留，回生电容采用原料号卧装，J1 因实际拔插通道冲突改为同系列 BM08 顶插。当前为工程候选，未制造，未完成热、回生瞬态、低电量或行走验收。
已完成可编辑原理图、真实四层 PCB 和本地库。阶梯板面积 4510 mm²，比原 65×60 + 32×30 mm 两板总面积 4860 mm² 少 350 mm²（7.20%）。原 TDK 模块本体、四个安装孔和原 TDK 器件位置保留，回生电容采用原料号卧装，J1 因实际拔插通道冲突改为同系列 BM08 顶插。当前为工程候选，未制造，未完成热、回生瞬态、低电量或行走验收。
打开 MicroduckPowerRegenR22.kicadpro；根原理图包含 power.kicadsch 与 regen.kicadsch。fp-lib-table、sym-lib-table 和本地 footprints/、符号库随项目交付，不依赖源目录可写。原生 PCB 是本次权威结果；中间生成/路由脚本仅保留过程追踪，不能只运行早期 build.py 覆盖最终板。
Main components on the Microduck Power Regen R22
Microduck Power Regen R22 bill of materials (BOM)
80 components, 47 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | i7C2W020A120V-P03-R TDK i7C2W020A120V-P03-R | TDK_i7C_P03 | U1 |
| 1 | LM74800QDRRRQ1 IDEAL DIODE + OV CUT | WSON-12-1EP_3x3mm_P0.5mm_EP1.5x2.5mm | U2 |
| 1 | INA226AIDGSR SERVO CURRENT / VBUS 0x41 | TI_DGS0010A_1p45x0p30 | U3 |
| 1 | INA300AIDGSR HARDWARE OC LATCH | TI_DGS0010A_1p45x0p30 | U4 |
| 1 | TLV76050DBZR BUS POWERED 5V LDO | SOT-23 | U101 |
| 1 | REF3312AIDBZR 1.25V PRECISION REF | SOT-23 | U102 |
| 1 | TLV3201AIDBVR REGEN HYSTERETIC COMPARATOR | SOT-23-5 | U103 |
| 1 | UCC27511DBVR GATE SOURCE SINK DRIVER | SOT-23-6 | U104 |
| 1 | INA226AIDGSR BRAKE CURRENT INA226 0x42 | TI_DGS0010A_1p45x0p30 | U105 |
| 2 | CSD18540Q5B 60V 2.2mOhm @10V | CSD18540Q5B_DNK | Q1, Q2 |
| 1 | BSS138 TDK enable sink | SOT-23 | Q3 |
| 1 | CSD18540Q5B 60V BRAKE MOSFET | CSD18540Q5B_DNK | Q101 |
| 1 | BSS138 OPEN DRAIN BRAKE STATUS | SOT-23 | Q102 |
| 1 | BM08B-SRSS-TB(LF)(SN) CONTROL 3.3V / RUN DEFAULT OFF | JST_SH_BM08B-SRSS-TB_1x08-1MP_P1.00mm_Vertical | J1 |
| 1 | SOLDER AWG28 PIGTAIL GND | WireSignal_0p5mm | P101 |
| 1 | SOLDER AWG28 PIGTAIL +3V3 | WireSignal_0p5mm | P102 |
| 1 | SOLDER AWG28 PIGTAIL I2C_SDA | WireSignal_0p5mm | P103 |
| 1 | SOLDER AWG28 PIGTAIL I2C_SCL | WireSignal_0p5mm | P104 |
| 1 | SOLDER AWG28 PIGTAIL BRAKE_ACTIVE_N | WireSignal_0p5mm | P105 |
| 2 | WSL27262L000FEA 2mOhm 1% 3W KELVIN | WSL2726_Kelvin | RS1, RS101 |
Show 27 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SOLDER AWG16 4S SWITCHED + | WirePad_2p4mm_6mm | W1 |
| 1 | SOLDER AWG16 GND INPUT | WirePad_2p4mm_6mm | W2 |
| 1 | SOLDER AWG16 SERVO 10.8V | WirePad_2p4mm_6mm | W3 |
| 1 | SOLDER AWG16 GND OUTPUT | WirePad_2p4mm_6mm | W4 |
| 1 | SOLDER AWG16 SERVO_BUS | WirePad_2p4mm_6mm | W103 |
| 1 | SOLDER AWG16 RH_LOW | WirePad_2p4mm_6mm | W104 |
| 3 | EEUFR1E681 680uF 25V 20% | CP_Radial_D10.0mm_P5.00mm | C1, C2, C3 |
| 17 | GRM188R71H104KA93D 100nF | C_0603_1608Metric | C4, C5, C6, C7, C8, C9, C10, C11 +9 |
| 6 | GRM32ER71H106KA12L 10uF 50V | C_1210_3225Metric | C13, C14, C16, C17, C18, C19 |
| 1 | EEUFR1C222 2200uF 16V LOW ESR | CP_EEUFR1C222_Horizontal_Clip | C101 |
| 1 | GRM188R71A105KA61D 1uF 10V | C_0603_1608Metric | C106 |
| 3 | GRM32ER71E226KE15L 22uF 25V X7R | C_1210_3225Metric | C110, C111, C112 |
| 1 | RT0603BRD072K45L 2.45k 0.1% | R_0603_1608Metric | R1 |
| 1 | RT0603BRD0717K4L 17.4k 0.1% | R_0603_1608Metric | R2 |
| 1 | ERJ-3EKF1001V 1k | R_0603_1608Metric | R3 |
| 1 | RT0603BRD078K38L 8.38k 0.1% | R_0603_1608Metric | R4 |
| 1 | RT0603BRD071KL 1k 0.1% | R_0603_1608Metric | R5 |
| 1 | ERJ-3EKF1201V 1.2k | R_0603_1608Metric | R6 |
| 4 | ERJ-3EKF1003V 100k | R_0603_1608Metric | R7, R8, R106, R107 |
| 1 | RT0603BRD071K1L 1.10k 0.1% | R_0603_1608Metric | R9 |
| 4 | RT0603BRD0710RL 10R 0.1% | R_0603_1608Metric | R10, R11, R108, R109 |
| 1 | RT0603BRD0780K6L 80.6k 0.1% | R_0603_1608Metric | R101 |
| 1 | RT0603BRD0710KL 10.0k 0.1% | R_0603_1608Metric | R102 |
| 1 | RT0603BRD072M2L 2.20M 0.1% | R_0603_1608Metric | R103 |
| 1 | ERJ-3EKF4R7V 4.7R | R_0603_1608Metric | R104 |
| 1 | ERJ-3EKF2R2V 2.2R | R_0603_1608Metric | R105 |
| 1 | ERJ-3EKF1002V 10k | R_0603_1608Metric | R110 |
Microduck Power Regen R22 design files
The KiCad project lives in the ldcyes/OpenDuck repository on GitHub; these links point at the commit this page was built from.
Microduck Power Regen R22: common questions
How big is the Microduck Power Regen R22 PCB?
The Microduck Power Regen R22 measures 65 × 75 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Microduck Power Regen R22?
80 components, from 47 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 Microduck Power Regen R22 design files?
From the ldcyes/OpenDuck 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 Microduck Power Regen R22 design in my own project?
The repository has no license, so all rights stay with ldcyes. Use it as a reference, and ask the author before reusing the design.
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