4 layers70 × 70 mm
Blue interface board
BetzDrive/interface-board
Power and signal conditioning board for the Betz Drive system
130 parts5
4 layers60 × 60 mm
Hardware design files for BLDC servo controller
- Size
- 60 × 60 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 124
- Nets
- 139
- Pads
- 509
- Tracks, vias
- 814, 208
- Pours
- 29
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 22 Mar 2018
- Updated
- 24 Sep 2022
Overview
BLDC is an open-source printed circuit board by BetzDrive, from the BetzDrive/bldc-controller-hardware repository on GitHub. It is a 4-layer board of 60 × 60 mm with 124 parts on 139 nets, routed with 814 tracks and 208 vias.
It is built around the STM32F405RGT6, ISL32458EIBZ and LMZ21700SIL, with the DRV8312DDW, LM46000PWP and MCP9808-E/MS among its other parts. Its parts include 57 capacitors, 24 resistors, 13 ICs, 5 diodes and 5 connectors. It belongs with the robots and motor control boards and the STM32 boards of this library.
Main components
12
STM32F405RGT6
LQFP-64(10x10)-40℃~+85℃ 1.8V~3.6V 12bit 12bit 168MHz 192KB 1MB 32 Bit 51 ARM Cortex-M4 Built-in FLASH LQFP-64(10x10) Microcontrollers (MCU/MPU/SOC) ROHSSTMicroelectronicsMicrocontrollers (MCU/MPU/SOC)
ISL32458EIBZ
SOIC-8-40℃~+85℃ 1 1 3V~5.5V Transceiver SOIC-8 RS-485 / RS-422 ICs ROHSRenesas ElectronicsRS-485 / RS-422 ICs
LMZ21700SIL
SIL83V to 17V, 0.65A Step-Down DC/DC Power Module in 3.5mm × 3.5mm PackageTexas InstrumentsUncategorised
DRV8312DDW
HTSSOP-44-EP-6.1mm-40℃~+85℃ 10.8V~13.2V 3 3.5A 6.5A 6mA 80mΩ Three Phase Yes HTSSOP-44-EP-6.1mm Brushless DC (BLDC) Motor Driver ROHSTexas InstrumentsGate Drivers
LM46000PWP
HTSSOP-16-EP-40℃~+125℃@(TJ) 1 1V~28V 2.2MHz 3.5V~60V 500mA Adjustable Buck Buck Built-in Yes HTSSOP-16-EP DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
MCP9808-E/MS
MSOP-8-40℃~+125℃ 13bit 2.7V~5.5V 250ms I2C、SMBus ±0.5℃ MSOP-8 Temperature Sensors ROHSMicrochip TechnologyTemperature Sensors
IIS328DQ
QFN-24(4x4)-40℃~+105℃ 16bit 1uA 2.16V~3.6V Accelerometer SPI、I2C X,Y,Z ±8g 运动事件检测 QFN-24(4x4) Accelerometers ROHSSTMicroelectronicsAccelerometers
SN74LVC1G66DBV
SOT-23-5-40℃~+85℃ 1 1.65V~5.5V 13pF 175MHz 1:1 4.2ns 5.5Ω 5ns 800ps Bidirectional analog channel SOT-23-5 Analog Switches, Multiplexers ROHSTexas InstrumentsAnalog Switches, Multiplexers
LTST-C190GKT
0603-55℃~+85℃ 100mW 130° 2.1V 20mA 565nm 569nm 6mcd Discrete Diode Water Clear Yellow Green 0603 LED Indication - Discrete ROHSLite-OnLED Indication - Discrete
SMF3.3
SOD-123FL-55℃~+150℃ 200W 3.3V 3.4V 30A 500nA 6.8V IEC 61000-4-2、IEC 61000-4-4 TVS SOD-123FL ESD and Surge Protection (TVS/ESD) ROHSLittelfuseESD And Surge Protection (TVS/ESD)
ABM7-8.000MHZ-D2Y-T
SMD6035-2P-40℃~+85℃ 100Ω 18pF 8MHz Crystal Oscillator ±20ppm ±30ppm SMD6035-2P Crystals ROHSAbraconCrystals
B3U-1000P
SMD,3x2.5mm-25℃~+70℃ 1.53N 1.6mm 12V 2.5mm 3mm 50mA Round Button SMD(SMT) Tab SPST Surface Mount,Vertical SMD,3x2.5mm Tactile Switches ROHSOmronTactile Switches
README
README.mdBetz Drive - A BLDC Controller
This board is designed for low-speed, high torque motor applications that require highly precise positional and torque commands.
Features
-
Chainable Initialization. Input/output connectors and 'disco-bus' pins provide dynamic initialization, allowing for easy replacement of any board (no hard coded ids).
-
High Precision Current Readings
-
12-bit Precision Positional Readings AS5047U-HTSM
-
Thermal Sensitivity
-
Optional 20-pin header with 9 GPIO pins, I2C, 3.3V rail, and ground for add-on functionality!
Renderings
Parts
124| Qty | Value | Footprint | References |
|---|---|---|---|
| 19 | 100n | Capacitor_SMD:C_0402_1005Metric | C13, C14, C16, C19, C21, C24, C26, C32, C39, C40, C42, C46, C50, C53, C56, C61 +3 |
| 13 | TestPoint | TestPoint:TestPoint_Pad_D1.0mm | TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10, TP11, TP12, TP13, TP14, TP15 |
| 12 | 1u | Capacitor_SMD:C_0402_1005Metric | C2, C15, C18, C20, C27, C30, C36, C38, C48, C52, C60, C67 |
| 6 | 150R | Resistor_SMD:R_0402_1005Metric | R2, R5, R10, R19, R27, R50 |
| 6 | 2k21 | Resistor_SMD:R_0402_1005Metric | R9, R21, R39, R55, R61, R63 |
| 5 | 100u | Capacitor_SMD:CP_Elec_10x10 | C3, C5, C9, C22, C25 |
| 5 | 22u | Capacitor_SMD:C_1210_3225Metric | C12, C23, C31, C35, C41 |
| 4 | 2u2 | Capacitor_SMD:C_0402_1005Metric | C8, C10, C47, C49 |
| 4 | 4u7 | Capacitor_SMD:C_1210_3225Metric | C4, C6, C7, C45 |
| 4 | NONE | BLDC:mounting-hole-pkg | H0, H1, H2, H3 |
| 3 | 100n | Capacitor_SMD:C_0603_1608Metric | C1, C64, C68 |
| 3 | 49k9 | Resistor_SMD:R_0603_1608Metric | R0, R15, R62 |
| 3 | INA253 | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | U10, U11, U14 |
| 2 | 16p | Capacitor_SMD:C_0402_1005Metric | C54, C57 |
| 2 | 43650-0510 | BLDC:molex-436500511 | J1, J4 |
| 2 | 56R2 | Resistor_SMD:R_0402_1005Metric | R4, R6 |
| 2 | LTST-C190GKT | Diode_SMD:D_0603_1608Metric | D0, D2 |
| 2 | SMF3.3 | Diode_SMD:D_SOD-123F | D1, D4 |
| 1 | 100u | Inductor_SMD:L_7.3x7.3_H4.5 | L2 |
| 1 | 10k | Resistor_SMD:R_0402_1005Metric | R1 |
| 1 | 180k | Resistor_SMD:R_0402_1005Metric | R17 |
| 1 | 1M | Resistor_SMD:R_0402_1005Metric | R8 |
| 1 | 1R | Resistor_SMD:R_0805_2012Metric | R32 |
| 1 | 436500313 | BLDC:molex-microfit-3-pkg | J2 |
| 1 | 470n | Capacitor_SMD:C_0402_1005Metric | C17 |
| 1 | 4n7 | Capacitor_SMD:C_0402_1005Metric | C34 |
| 1 | 58k | Resistor_SMD:R_0402_1005Metric | R3 |
| 1 | 681k | Resistor_SMD:R_0402_1005Metric | R16 |
| 1 | 82p | Capacitor_SMD:C_0402_1005Metric | C11 |
| 1 | 91k | Resistor_SMD:R_0402_1005Metric | R11 |
| 1 | ABM7-8.000MHZ-D2Y-T | BLDC:ABM7-8MHZ-D2Y-T-pkg | X0 |
| 1 | AS5047U | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U13 |
| 1 | B3U-1000P | BLDC:SW_B3U-1000P | S1 |
| 1 | BONUS | Connector_PinHeader_2.54mm:PinHeader_2x08_P2.54mm_Horizontal | J5 |
| 1 | DNP | BLDC:TC2030-MCP-NL-pkg | J3 |
| 1 | DRV8312 | BLDC:HTSSOP-44 | U5 |
| 1 | IIS328DQ | Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm | U2 |
| 1 | ISL32458E | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U6 |
| 1 | LM46000 | BLDC:PWP0016G | U4 |
| 1 | LMZ21700SIL | BLDC:SIL0008E | U1 |
| 1 | MCP9808 | Package_SO:MSOP-8_3x3mm_P0.65mm | U12 |
| 1 | SMLP34RGB | BLDC:rhom-SMLP34RGB-fp | D3 |
| 1 | SN74LVC1G66DBV | Package_TO_SOT_SMD:SOT-23-5 | U7 |
| 1 | STM32F405RG | Package_QFP:LQFP-64_10x10mm_P0.5mm | U9 |
| 1 | TLV702 | Package_TO_SOT_SMD:SOT-23-5 | U3 |
Questions
How big is the BLDC PCB?
It measures 60 × 60 mm and has 4 copper layers, 1.6 mm thick.
What parts does the BLDC use?
124 parts, built around the STM32F405RGT6, ISL32458EIBZ, LMZ21700SIL and DRV8312DDW. 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 KiCad files?
From the BetzDrive/bldc-controller-hardware repository on GitHub, at the commit this page was made from: the board is BLDC.kicad_pcb and its schematic BLDC.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the BLDC design in my own project?
Its repository states no licence, so its author keeps all rights: ask BetzDrive before reusing the design.
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