2 layers89.4 × 66.9 mm
E foc
embedded-pro/e-foc-hardware
hardware to be used with https://github.com/embedded-pro/e-foc
186 parts
4 layers60 × 60 mm
数控buck
JasonClock/CNC_Buck1- Size
- 60 × 60 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 78
- Nets
- 85
- Pads
- 302
- Tracks, vias
- 432, 173
- Pours
- 12
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 30 Apr 2026
- Updated
- 17 Jul 2026
Overview
数控buck is an open-source printed circuit board by JasonClock, from the JasonClock/CNC_Buck repository on GitHub. It is a 4-layer board of 60 × 60 mm with 78 parts on 85 nets, routed with 432 tracks and 173 vias.
It is built around the TLV9062ID, INA240A1PW and LM2675M-5.0, with the LM5109MA, LM5164DDA and LM1117DT-3.3 among its other parts. Its parts include 34 capacitors, 21 resistors, 7 ICs, 5 diodes and 4 connectors. It belongs with the power boards and the STM32 boards of this library.
Main components
10
TLV9062ID
SOIC-8-40℃~+125℃ 0.05pA 0.5pA 1.6mV 1.8V~5.5V 103dB 10MHz 10nV/√Hz@1kHz 2 50mA 530nV/℃ 538uA 6.5V/us Enable/shutdown function、ESD protection、EMI filtering/RF suppression Rail-to-Rail Input, Rail-to-Rail Output SOIC-8 Operational Amplifier ROHSTexas InstrumentsOperational Amplifier
INA240A1PW
TSSOP-8-40℃~+125℃ -4V~80V 1 1.8mA 132dB 2.7V~5.5V 20V/V 250nV/℃ 2V/us 400kHz 40nV/√Hz@1kHz 5uV 90uA Bidirectional detection、Zero drift / auto-zero、Programmable output reference level、Analog output interface ±80V TSSOP-8 Current Sense Amplifiers ROHSTexas InstrumentsCurrent Sense AmplifiersLM2675M-5.0
SOIC-8-40℃~+125℃@(TJ) 1 1A 2.5mA 260kHz 5V 6.5V~40V Buck Buck Built-in Fixed No SOIC-8 DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
LM5109MA
SOIC-8-40℃~+125℃ 15ns 15ns 1A 1A 2 8V~14V Half-Bridge MOSFET SOIC-8 Gate Drivers ROHSTexas InstrumentsGate Drivers
LM5164DDA
SOIC8100-V Input, 1-A Synchronous Buck DC/DC Converter with Ultra-low IQTexas InstrumentsUncategorised
LM1117DT-3.3
TO-2520℃~+125℃@(Tj) 1 1.2V@(800mA) 15V 3.3V 5mA 75dB@(120Hz) 800mA Fixed Over Current Protection、Over Temperature Protection、Short Circuit Protection Positive TO-252 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSTexas InstrumentsVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
SS34
SMA(DO-214AC)-55℃~+125℃ 3A 40V 500uA@40V 550mV@3A Independent SMA(DO-214AC) Schottky Diodes ROHSMDDSchottky Diodes
BSC070N10NS3G
TDSON-8(5x6)-55℃~+150℃ 1 N-channel 100V 114W 21pF 3.5V 3nF 42nC@10V 520pF 7mΩ@10V 90A N-Channel TDSON-8(5x6) MOSFETs ROHSInfineon TechnologiesMOSFETs
SMCJ58A
SMC(DO-214AB)ESD And Surge Protection (TVS/ESD)hongjiachengSS24
SMA(DO-214AC)-55℃~+150℃ 200uA@40V 2A 40V 50A 550mV@2A Independent SMA(DO-214AC) Schottky Diodes ROHShongjiachengSchottky Diodes
Parts
78| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 10p | Capacitor_SMD:C_0603_1608Metric | C14, C16, C29, C32, C33, C34, C35 |
| 6 | 11k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R3, R4, R7, R8, R10 |
| 6 | 22u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C6, C7, C8, C37 |
| 5 | 1 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5, R6, R12, R13, R14 |
| 4 | R | Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R15, R19, R20, R21 |
| 3 | 100n | Capacitor_SMD:C_0603_1608Metric | C17, C22, C24 |
| 3 | 100u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C15, C26, C27 |
| 3 | SS34 | Diode_SMD:D_SMA | D2, D3, D4 |
| 2 | 0.01u | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C28, C30 |
| 2 | 10u | Capacitor_SMD:C_1206_3216Metric | C36, C38 |
| 2 | 2.2u | Capacitor_SMD:C_0603_1608Metric | C23, C25 |
| 2 | 470u | Capacitor_SMD:CP_Elec_10x10.5 | C12, C13 |
| 2 | 56p | Capacitor_SMD:C_0603_1608Metric | C5, C11 |
| 2 | BSC070N10NS3G | Package_TO_SOT_SMD:TDSON-8-1 | Q1, Q2 |
| 1 | 100k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1 |
| 1 | 10u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C10 |
| 1 | 11k | Resistor_SMD:R_0603_1608Metric | R9 |
| 1 | 1u | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C9 |
| 1 | 2 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R18 |
| 1 | 2.2n | Capacitor_SMD:C_0603_1608Metric | C3 |
| 1 | 22u | Inductor_SMD:L_APV_APH1770 | L2 |
| 1 | 3.3n | Capacitor_SMD:C_0603_1608Metric | C4 |
| 1 | 44k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R16 |
| 1 | 4k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R17 |
| 1 | 5m | Resistor_SMD:R_2512_6332Metric_Pad1.40x3.35mm_HandSolder | R11 |
| 1 | 68u | Inductor_SMD:L_Bourns_SRP7028A_7.3x6.6mm | L1 |
| 1 | 68u | Inductor_SMD:L_7.3x7.3_H3.5 | L3 |
| 1 | C_Polarized_US_68u | Capacitor_Tantalum_SMD:CP_EIA-7343-31_Kemet-D | C31 |
| 1 | Conn_01x02 | Connector_AMASS:AMASS_XT30U-M_1x02_P5.0mm_Vertical | J2 |
| 1 | Conn_01x02 | Connector_AMASS:AMASS_XT30U-F_1x02_P5.0mm_Vertical | J5 |
| 1 | Conn_01x04_MountingPin | Connector_JST:JST_GH_SM04B-GHS-TB_1x04-1MP_P1.25mm_Horizontal | J4 |
| 1 | Conn_01x06_MountingPin | Connector_JST:JST_GH_SM06B-GHS-TB_1x06-1MP_P1.25mm_Horizontal | J1 |
| 1 | Crystal_GND24 | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm_HandSoldering | Y1 |
| 1 | INA240A1PW | Package_SO:TSSOP-8_4.4x3mm_P0.65mm | U5 |
| 1 | LM1117DT-3.3 | Package_TO_SOT_SMD:TO-252-3_TabPin2 | U3 |
| 1 | LM2675M-5 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U8 |
| 1 | LM5109MA | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U4 |
| 1 | LM5164DDA | Package_SO:HSOP-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.1mm_ThermalVias | U2 |
| 1 | SMCJ58A | Diode_SMD:D_SMB | D1 |
| 1 | SS24 | Diode_SMD:D_SMA | D13 |
| 1 | STM32F334R8Tx | Package_QFP:LQFP-64_10x10mm_P0.5mm | U1 |
| 1 | SW_Push | Button_Switch_SMD:SW_Push_SPST_NO_Alps_SKRK | SW1 |
| 1 | TLV9062 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U6 |
Questions
How big is the 数控buck PCB?
It measures 60 × 60 mm and has 4 copper layers, 1.6 mm thick.
What parts does the 数控buck use?
78 parts, built around the TLV9062ID, INA240A1PW, LM2675M-5.0 and LM5109MA. 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 数控buck KiCad files?
From the JasonClock/CNC_Buck repository on GitHub, at the commit this page was made from: the board is circuit/数控电源/数控buck.kicad_pcb and its schematic circuit/数控电源/数控buck.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the 数控buck design in my own project?
Its repository states no licence, so its author keeps all rights: ask JasonClock before reusing the design.
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