

Bac mcu micromod main board dual function single bacbus v1
- Size
- 85 × 85 mm
- Copper layers
- 6
- Thickness
- 1.52 mm
- Parts
- 191
- Nets
- 228
- Pads
- 963
- Tracks, vias
- 2,670, 486
- Pours
- 14
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 11 Jun 2025
- Updated
- 12 Jun 2025
Overview
Bac mcu micromod main board dual function single bacbus v1 is an open-source printed circuit board by Dodokamel2005, from the Dodokamel2005/EPS- repository on GitHub. It is a 6-layer board of 85 × 85 mm with 191 parts on 228 nets, routed with 2,670 tracks and 486 vias.
It is built around the LM66100DCK, TS5A3359DCU and BNO086, with the DS3231MZ/V+, SIT5000AI-2E-33N0-40.000000X and TPS2116DRL among its other parts. Its parts include 87 resistors, 39 capacitors, 20 ICs, 8 connectors and 1 diode.
Main components
8LM66100DCK
SC-70-6-40℃~+125℃ 1 1.5A 1.5V~5.5V 150nA 95mΩ Integrated FET Reverse current blocking、Reverse polarity protection、With enable SC-70-6 ORing Controllers ROHSTexas InstrumentsPower Distribution SwitchesTS5A3359DCU
VSSOP-8-0.5mm-40℃~+85℃ 1 1.1Ω 1.65V~5.5V 2.5MHz 2.5ns 3:1 9ns VSSOP-8 Analog Switches, Multiplexers ROHSTexas InstrumentsAnalog Switches, MultiplexersBNO086
TFLGA-28TFLGA-28 Accelerometers ROHSCEVAAccelerometersDS3231MZ/V+
SOIC-8-40℃~+85℃ 2.3V~5.5V Built-in I2C Temperature compensation、Backup power management and battery charging、Alarm function、Locking and tamper-proof、Periodic interrupt output SOIC-8 Real Time Clocks ROHSMaxim Integrated (Analog Devices)Real Time ClocksSIT5000AI-2E-33N0-40.000000X
-Programmable OscillatorsSiTimeTPS2116DRL
SOT-583Operating status indication SOT-583 Power Management - Specialized ROHSTexas InstrumentsPower Distribution SwitchesMDT350M01001VT
SMD-40℃~+80℃ 0.5mm 67P Copper alloy Gold Surface Mount,Vertical SMD Edgeboard Connectors ROHSAmphenolEdgeboard ConnectorsESD752DBZ
SOT-23-3UncategorisedTexas Instruments
Parts
191| Qty | Value | Footprint | References |
|---|---|---|---|
| 61 | 100k | bac MicroMod Main Board v1:bac-R-0603-100k | R301, R302, R303, R401, R402, R403, R501, R517, R520, R1101, R1102, R1301, R1303, R1304, R1305, R1306 +45 |
| 20 | 0.1u | bac MicroMod Main Board v1:bac-C-0603-0.1u | C503, C509, C510, C601, C602, C702, C1001, C1007, C1012, C1104, C1107, C1108, C1110, C1112, C1201, C1302 +4 |
| 17 | 0 | bac MicroMod Main Board v1:bac-R-0603-0 | R101, R105, R107, R109, R503, R504, R505, R506, R511, R512, R513, R514, R515, R516, R518, R529 +1 |
| 11 | SolderJumper_3_Bridged12 | Jumper:SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm_NumberLabels | JP801, JP802, JP803, JP804, JP901, JP902, JP1101, JP1102, JP1103, JP1104, JP1105 |
| 9 | 10u | bac MicroMod Main Board v1:bac-C-0805-10u | C502, C506, C802, C804, C901, C1003, C1010, C1111, C1202 |
| 5 | 78614025360 | bac MicroMod Main Board v1:WE-9774025243R | MP201, MP301, MP302, MP401, MP402 |
| 4 | 10k | bac MicroMod Main Board v1:bac-R-0603-10k | R502, R526, R527, R528 |
| 4 | 560p | Capacitor_SMD:C_0603_1608Metric | C1006, C1009, C1014, C1109 |
| 4 | LM66100DCK | Package_TO_SOT_SMD:SOT-363_SC-70-6 | U504, U505, U506, U1301 |
| 4 | MountingHole_Pad | bac MicroMod Main Board v1:bac-PCB-Rail-Pad | H101, H102, H103, H104 |
| 4 | TS5A3359 | bac MicroMod Main Board v1:TI-TS5A3359DCUR | U602, U603, U701, U702 |
| 3 | 120 | Resistor_SMD:R_0603_1608Metric | R1005, R1006, R1010 |
| 3 | Fiducial | Fiducial:Fiducial_0.5mm_Mask1mm | FID101, FID102, FID103 |
| 2 | 1u | bac MicroMod Main Board v1:bac-C-0603-1u | C501, C1303 |
| 2 | 22u | Capacitor_SMD:C_1210_3225Metric | C507, C508 |
| 2 | 47u | bac MicroMod Main Board v1:bac-C-1411 | C511, C512 |
| 2 | INA260 | Package_SO:TSSOP-16_4.4x5mm_P0.65mm | U1101, U1102 |
| 2 | MDT350M01001VT | bac EPS v1:AMP-MDT350M01001VT | J1401, J1402 |
| 2 | SparkFun MicroMod Function Connector | bac MicroMod Main Board v1:bac-M.2-Key-E-MicroMod-Function | J301, J401 |
| 2 | TI PCA9545APWR | bac MicroMod Main Board v1:TI-PCA9545APWR | U801, U802 |
| 1 | +3V3 | TestPoint:TestPoint_Pad_D1.0mm | TP-+3V3 |
| 1 | +5V | TestPoint:TestPoint_Pad_D1.0mm | TP-+5V5 |
| 1 | 10 | bac MicroMod Main Board v1:bac-R-0603-10 | R103 |
| 1 | 1k | Resistor_SMD:R_0603_1608Metric | R1302 |
| 1 | 3V3_AUX | TestPoint:TestPoint_Pad_D1.0mm | TP-3V3_AUX1 |
| 1 | 3V3_EXT | TestPoint:TestPoint_Pad_D1.0mm | TP-3V3_EXT1 |
| 1 | 3V3_MAIN_A | TestPoint:TestPoint_Pad_D1.0mm | TP-3V3_MAIN_A1 |
| 1 | 5V_EXT | TestPoint:TestPoint_Pad_D1.0mm | TP-5V_EXT1 |
| 1 | 5V_MAIN_A | TestPoint:TestPoint_Pad_D1.0mm | TP-5V_MAIN_A1 |
| 1 | BAT_~{CHG} | TestPoint:TestPoint_Pad_D1.0mm | TP-BAT_~{CHG}1 |
| 1 | BNO086 | bac MicroMod Main Board v1:CEVA-BNO086 | U1103 |
| 1 | Conn_01x03_Pin | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical_SMD_Pin1Left | J204 |
| 1 | Conn_02x04_Top_Bottom | bac MicroMod Main Board v1:bac-KYO-00-9159-BTB | J201 |
| 1 | DS3231MZ | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1302 |
| 1 | ESD752 | Package_TO_SOT_SMD:SOT-23 | D1002 |
| 1 | Keystone 2899 | bac MicroMod Main Board v1:KEY-2899 | BT1301 |
| 1 | LOGO | bac MicroMod Main Board v1:bac-logo-copper-10mm | G*** |
| 1 | MB85RS256B | bac MicroMod Main Board v1:FU-MB85RS256B | U1201 |
| 1 | MCP251863T-H-SS | bac MicroMod Main Board v1:MT-MCP251863T-H-SS | U1003 |
| 1 | PWR_MUX_3V3_AUX_ST | TestPoint:TestPoint_Pad_D1.0mm | TP-PWR_MUX_3V3_AUX_ST1 |
| 1 | PWR_MUX_3V3_MAIN_A_ST | TestPoint:TestPoint_Pad_D1.0mm | TP-PWR_MUX_3V3_MAIN_A_ST1 |
| 1 | PWR_MUX_5V_MAIN_A_ST | TestPoint:TestPoint_Pad_D1.0mm | TP-PWR_MUX_5V_MAIN_A_ST1 |
| 1 | SIT5000AI-2E-33N0-40.000000X | bac MicroMod Main Board v1:SIT-SIT5000AI-2E-33N0 | U1001 |
| 1 | SparkFun JTAG | Connector_PinHeader_1.27mm:PinHeader_2x05_P1.27mm_Vertical | J203 |
| 1 | SparkFun MicroMod Processor Connector | bac MicroMod Main Board v1:bac-M.2-Key-E-MicroMod-Processor | J202 |
| 1 | TCAL9538PWR | bac MicroMod Main Board v1:TI-TCAL9538PWR | U502 |
| 1 | TI TCAL9538PWR | bac MicroMod Main Board v1:TI-TCAL9538PWR | U901 |
| 1 | TPS2116DRL | bac MicroMod Main Board v1:TI-TPS2116DRL | U501 |
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Questions
How big is the Bac mcu micromod main board dual function single bacbus v1 PCB?
It measures 85 × 85 mm and has 6 copper layers, 1.52 mm thick.
What parts does the Bac mcu micromod main board dual function single bacbus v1 use?
191 parts, built around the LM66100DCK, TS5A3359DCU, BNO086 and DS3231MZ/V+. 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 Bac mcu micromod main board dual function single bacbus v1 KiCad files?
From the Dodokamel2005/EPS- repository on GitHub, at the commit this page was made from: the board is bac-hardware/mcu/micromod-main-board/dual-function-single-bacbus/ecad/bac-mcu-micromod-main-board-dual-function-single-bacbus-v1.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Bac mcu micromod main board dual function single bacbus v1 design in my own project?
Its repository states no licence, so its author keeps all rights: ask Dodokamel2005 before reusing the design.