2 layers36 × 53.5 mm
2 layers85 × 60 mm
BLDC STC15W401
oshwcom/BLDC_STC15W40130低成本（RMB 7元左右）12V的bldc驱动电路。基于STC15W401AS单片机。
- Size
- 85 × 60 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 61
- Nets
- 33
- Pads
- 189
- Tracks, vias
- 622, 61
- Pours
- 7
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 23 Jun 2018
- Updated
- 6 Jul 2018
Overview
BLDC STC15W401 is an open-source printed circuit board by oshwcom, from the oshwcom/BLDC_STC15W401 repository on GitHub, published under the Unlicense licence. It is a 2-layer board of 85 × 60 mm with 61 parts on 33 nets, routed with 622 tracks and 61 vias.
It is built around the DTC143Z. Its parts include 25 resistors, 15 transistors, 9 capacitors, 7 connectors and 2 ICs. It belongs with the robots and motor control boards and the 8051 (CH55x, STC, AT89) boards of this library.
Main components
1README
README.mdBLDC_STC15W401AS
一个低成本的12V无刷直流（BLDC）电机的驱动模块。
| Author | 刘焕银 |
|---|---|
| 25199527@qq.com |
目录
目标
完成一款低成本（人民币7元以下）的BLDC驱动电路。 
功能
- 驱动12V的BLDC电机，最大输出功率15瓦左右。
- 可以正反转。
- 转速800~1500转。
原理图
V0.2版原理图。 修订了MOSFET的型号，多加了一种替代封装（SOT23和TO252)。
Parts
61| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 104 | Capacitors_SMD:C_0805_HandSoldering | C1, C4, C6, C7, C8, C9 |
| 6 | 10k | Resistors_SMD:R_0805_HandSoldering | R17, R18, R19, R23, R24, R25 |
| 6 | Q_NMOS_GDS | TO_SOT_Packages_SMD:TO-252-2 | Q10, Q11, Q12, Q13, Q14, Q15 |
| 6 | Q_NMOS_GSD | TO_SOT_Packages_SMD:SOT-23_Handsoldering | Q2, Q3, Q5, Q6, Q8, Q9 |
| 5 | 1k | Resistors_SMD:R_0805_HandSoldering | R1, R5, R6, R7, R12 |
| 5 | 470 | Resistors_SMD:R_0805_HandSoldering | R4, R9, R11, R15, R16 |
| 3 | 100 | Resistors_SMD:R_0805_HandSoldering | R2, R8, R13 |
| 3 | 2k | Resistors_SMD:R_0805_HandSoldering | R20, R21, R22 |
| 3 | DTC143Z | TO_SOT_Packages_SMD:SOT-23_Handsoldering | Q1, Q4, Q7 |
| 2 | 18K | Resistors_SMD:R_0805_HandSoldering | R3, R10 |
| 2 | LED | LEDs:LED_0805_HandSoldering | D1, D2 |
| 1 | 1K | Resistors_SMD:R_0805_HandSoldering | R14 |
| 1 | 220uF | Capacitors_THT:CP_Radial_D5.0mm_P2.00mm | C3 |
| 1 | 470uF | Capacitors_THT:CP_Radial_D6.3mm_P2.50mm | C2 |
| 1 | 47uF | Capacitors_THT:CP_Radial_D4.0mm_P1.50mm | C5 |
| 1 | BLDC | Connectors_JST:JST_XH_B03B-XH-A_03x2.50mm_Straight | J3 |
| 1 | BLDC | BLDC_STC15W401:JST_VH_B5P-VH-B_5A3x3.96mm_Vertical | J7 |
| 1 | DC12V | Connectors_JST:JST_XH_B02B-XH-A_02x2.50mm_Straight | J4 |
| 1 | DC5V | Connectors_JST:JST_XH_B02B-XH-A_02x2.50mm_Straight | J5 |
| 1 | Download | Connectors_JST:JST_XH_B04B-XH-A_04x2.50mm_Straight | J1 |
| 1 | L78L05_SOT89 | TO_SOT_Packages_SMD:SOT-89-3_Handsoldering | U1 |
| 1 | PPM | Connectors_JST:JST_XH_B02B-XH-A_02x2.50mm_Straight | J2 |
| 1 | PWM | Connectors_JST:JST_XH_B06B-XH-A_06x2.50mm_Straight | J6 |
| 1 | RK09L 10K | Potentiometers:Potentiometer_Alps_RK09L_Sleve_Single_Horizontal | RV1 |
| 1 | STC15W401AS-SOP16 | Housings_SOIC:SOIC-16_3.9x9.9mm_Pitch1.27mm | U2 |
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Questions
How big is the BLDC STC15W401 PCB?
It measures 85 × 60 mm and has 2 copper layers, 1.6 mm thick.
What parts does the BLDC STC15W401 use?
61 parts, built around the DTC143Z. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the BLDC STC15W401 KiCad files?
From the oshwcom/BLDC_STC15W401 repository on GitHub, at the commit this page was made from: the board is KiCAD/BLDC_STC15W401.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the BLDC STC15W401 design in my own project?
Its repository publishes it under the Unlicense licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).