cej830/STM32_BLDC_ESC_FirmwareSTM32_BLDC_ESC_Firmware
STM32 ESC HW is an open-source printed circuit board by cej830, from the cej830/STM32_BLDC_ESC_Firmware repository on GitHub. It is a 4-layer board of 100 × 100 mm with 162 parts on 100 nets, routed with 1,500 tracks and 780 vias.
It is built around the DRV8300DPWR-MS, TPS560430XDBVR-MS and IRFH7440TRPBF, with the TLV3202AIDR(LX), USBLC6-2SC6 and TPS7A2033PDBVR-TP among its other parts. Its parts include 59 resistors, 42 capacitors, 17 ICs, 7 diodes and 7 connectors. It belongs with the robots and motor control boards and the STM32 boards of this library.
STM32F103C8 기반 센서리스 BLDC ESC. 회로·4-layer PCB 설계 및 펌웨어 구현을 수행하고 12V에서 A2212/13T 1000kV 모터의 무부하 구동을 확인했다.
회로,BOM 작성, PCB 부품 배치 및 배선, 보드 bring-up을 직접 수행했다. 부품 실장은 SMT 조립을 외주하였다.
실물 수정: USB 풀업 저항 직결, Vcom 비교기 입력 커패시터 제거.
C, STM32 HAL 및 레지스터 제어로 구현한 인터럽트 기반 펌웨어. Open-loop 기동 후 BEMF 기반 six-step 정류로 전환
듀티 구간에 따라 ADC 기반 swBEMF·선형보간 또는 외부 비교기 출력의 TIM2 input capture로 ZC를 검출한다. TIM3로 다음 정류를 예약하고 TIM1 상보 PWM 출력을 갱신한다. 운전 데이터는 USB CDC로 전송한다.
구동 영상 — 무부하 운전 및 노브 조작.
| 항목 | 관찰 결과 |
|---|---|
| 속도 조절 | 노브 입력에 따른 CCR 및 회전 속도 변화 확인 |
| 최대 시험 설정 | ARR=1800, CCR=1750 — 설정 비율 약 97.2% |
USB CDC 수신 데이터 표시 및 CSV 저장. RPM은 추정값이며, 션트 전류 환산값의 정확도는 미검증.
CH1: 스텝 GPIO · CH2: 플로팅 상 · CH3: Vcom · CH4: 비교기 출력.
각 행은 왼쪽 Step 1, 오른쪽 Step 2 파형으로 구성.
저듀티 CCR 220
중듀티 CCR 700
고듀티 CCR 700
| 위치 | 내용 |
|---|---|
| Core | Driver / Algorithm / Service / Utility 및 헤더 |
| Drivers, Middlewares, USB_DEVICE | HAL·CMSIS, 미들웨어, USB 구성 |
| CubeMX .ioc | MCU 설정 |
| ESC_Monitor | 수신·표시·CSV 저장 프로그램 |
| Architecture | HW/FW 구조와 제어 흐름 |
개발 환경: STM32CubeIDE, KiCad
| Qty | Value | Footprint | References |
|---|---|---|---|
| 25 | 10k(1608M) | Resistor_SMD:R_0603_1608Metric | R13, R14, R15, R20, R21, R24, R25, R26, R29, R30, R34, R35, R37, R38, R39, R40 +9 |
| 20 | 100nF(1608M) | Capacitor_SMD:C_0603_1608Metric | C1, C3, C11, C13, C15, C17, C25, C26, C27, C31, C32, C33, C34, C35, C39, C40 +4 |
| 6 | 47(1608M) | Resistor_SMD:R_0603_1608Metric | R17, R18, R27, R28, R32, R33 |
| 6 | IRFH7440TRPBF | Package_DFN_QFN:PQFN-8-EP_6x5mm_P1.27mm_Generic | U5, U6, U7, U8, U9, U10 |
| 4 | 1nF(1608M) | Capacitor_SMD:C_0603_1608Metric | C20, C36, C37, C38 |
| 4 | 1uF(1608M) | Capacitor_SMD:C_0603_1608Metric | C4, C7, C16, C18 |
| 4 | 22(1608M) | Resistor_SMD:R_0603_1608Metric | R53, R54, R55, R56 |
| 4 | 5006 Blk | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP1, TP2, TP3, TP4 |
| 4 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_DIN965_Pad | H1, H2, H3, H4 |
| 4 | TestPoint@(5122 B) | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP5, TP6, TP7, TP8 |
| 3 | 10m(6332M) | my_lib:Shunt_R_PE2512_7m-910m Ohm_SMD_2512 | R22, R31, R36 |
| 3 | 1SS404 | Diode_SMD:D_SOD-323 | D5, D6, D7 |
| 3 | 1k(1608M) | Resistor_SMD:R_0603_1608Metric | R41, R42, R43 |
| 3 | 1uF(2012M) | Capacitor_SMD:C_0805_2012Metric | C21, C22, C23 |
| 3 | 2.2nF(1608M) | Capacitor_SMD:C_0603_1608Metric | C28, C29, C30 |
| 3 | 270(1608M) | Resistor_SMD:R_0603_1608Metric | R3, R4, R5 |
| 3 | 2k(1608M) | Resistor_SMD:R_0603_1608Metric | R16, R19, R23 |
| 3 | 33(1608M) | Resistor_SMD:R_0603_1608Metric | R10, R11, R12 |
| 3 | 5005 R | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP9, TP13, TP16 |
| 3 | 5008 Or | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP10, TP14, TP17 |
| 3 | 5009 Y | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP11, TP15, TP18 |
| 3 | INA180A3 | Package_TO_SOT_SMD:SOT-23-5 | U13, U14, U15 |
| 3 | SW_SPST | my_lib:Button_Switch_SMD SW_Push_1P1T SMD-4P,6x6mm | SW1, SW2, SW3 |
| 2 | 10k(pot THT) | my_lib:Potentiometer_Alps_RK09K_Single_Vertical | R48, R50 |
| 2 | 20pF(1608M) | Capacitor_SMD:C_0603_1608Metric | C10, C12 |
| 2 | 330(1608M) | Resistor_SMD:R_0603_1608Metric | R1, R59 |
| 2 | TLV3202AIDR | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U11, U12 |
| 2 | USBLC6-2SC6 | Package_TO_SOT_SMD:SOT-23-6 | U16, U17 |
| 1 | 0(1608M) | Resistor_SMD:R_0603_1608Metric | R9 |
| 1 | 0154002.DRT | my_lib:FUSE_154 Series OMNI-BLOK® Fuse and Holder Assembly | F1 |
| 1 | 1.5k(1608M) | Resistor_SMD:R_0603_1608Metric | R57 |
| 1 | 1.8k(1608M) | Resistor_SMD:R_0603_1608Metric | R2 |
| 1 | 100uF(AEC) | Capacitor_SMD:CP_Elec_6.3x7.7 | C2 |
| 1 | 10nF(1608M) | Capacitor_SMD:C_0603_1608Metric | C14 |
| 1 | 10uF(2012M) | Capacitor_SMD:C_0805_2012Metric | C19 |
| 1 | 18uH @SMNR6028-180MT | my_lib:Inductor SMNR6028-180MT | L1 |
| 1 | 2.2uF(3216M) | Capacitor_SMD:C_1206_3216Metric | C5 |
| 1 | 22.1k(1608M) | Resistor_SMD:R_0603_1608Metric | R7 |
| 1 | 220uF(AEC) | Capacitor_SMD:CP_Elec_8x10.5 | C24 |
| 1 | 22uF(3216M) | Capacitor_SMD:C_1206_3216Metric | C9 |
| 1 | 5121 G | TestPoint:TestPoint_Keystone_5005-5009_Compact | TP12 |
| 1 | 88.7k(1608M) | Resistor_SMD:R_0603_1608Metric | R6 |
| 1 | 8MHz @ 20pF | Crystal:Crystal_SMD_HC49-SD | Y1 |
| 1 | Conn_01x05 | Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_Vertical | J7 |
| 1 | DRV8300DPWR | my_lib:DRV8300DPWR 20-TSSOP 6.6mm _ 4.5mm | U4 |
| 1 | GREEN@5mA | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | ORANGE@5mA | LED_SMD:LED_0603_1608Metric | D4 |
| 1 | PWR | my_lib:TERM BLK 2POS SIDE ENTRY 5MM PCB | J3 |
| 1 | Phase A | my_lib:TERM BLK 2POS SIDE ENTRY 5MM PCB | J4 |
| 1 | Phase B | my_lib:TERM BLK 2POS SIDE ENTRY 5MM PCB | J5 |
| 1 | Phase C | my_lib:TERM BLK 2POS SIDE ENTRY 5MM PCB | J6 |
| 1 | RED@5mA | LED_SMD:LED_0603_1608Metric | D2 |
| 1 | SMBJ13A | my_lib:TVS_Diode_SMD_SMB(DO-214AA) | TVS1 |
| 1 | STM32F103C8Tx | Package_QFP:LQFP-48_7x7mm_P0.5mm | U3 |
| 1 | TPS560430XDBVR | my_lib:SOT-23-6(2.90 mm × 1.60 mm) | U2 |
| 1 | TPS7A2033PDBVR | Package_TO_SOT_SMD:SOT-23-5 | U1 |
| 1 | UART | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J1 |
| 1 | UMW AO3401A (PMOS) | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | USB_B_Mini | my_lib:USB_Mini B 920-462A2021S10101 | J2 |
| 1 | YELLOW@5mA | LED_SMD:LED_0603_1608Metric | D3 |
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It measures 100 × 100 mm and has 4 copper layers, 1.6 mm thick.
162 parts, built around the DRV8300DPWR-MS, TPS560430XDBVR-MS, IRFH7440TRPBF and TLV3202AIDR(LX). 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.
From the cej830/STM32_BLDC_ESC_Firmware repository on GitHub, at the commit this page was made from: the board is HardWare/STM32_ESC_HW.kicad_pcb and its schematic HardWare/STM32_ESC_HW.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask cej830 before reusing the design.