Midpower controller
About the Midpower controller PCB
Midpower controller is an open source AVR/Arduino PCB design by pypilot, published on GitHub. It is a 4-layer board measuring 103.4 × 71.6 mm, with 142 components from 59 distinct parts.
Its main chip is the ATmega328P-AU, from the AVR/Arduino family. Other key parts include the ADP2302ARDZ, INA180, AMS1117CD-5.0, cpc5001 and MCP1416. By type, the board carries 45 capacitors, 45 resistors, 11 ICs, 11 transistors, 10 connectors and 8 diodes.
From the project
kicad schematics for pypilot components
Main components on the Midpower controller
Midpower controller bill of materials (BOM)
142 components, 59 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | ADP2302ARDZ | HSOP-8-1EP_3.9x4.9mm_P1.27mm_EP2.41x3.1mm | U1, U7 |
| 1 | UCC27201, NCP81075, UCC27211 ; NCP5183, IRS2186 backup: IRS21867 | SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | NCP81075, UCC27211 ; NCP5183, IRS2186 backup: IRS21867 | SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 2 | INA180 | SOT-23-5_HandSoldering | U4, U11 |
| 1 | AMS1117CD-5.0 | SOT-23 | U5 |
| 1 | cpc5001 | DIP-8_W7.62mm | U6 |
| 1 | ATmega328P-AU | TQFP-32_7x7mm_P0.8mm | U8 |
| 1 | MCP1416 | SOT-23-5 | U9 |
| 1 | LM321 | SOT-23-5 | U10 |
| 11 | Q_NMOS_GDS | TDSON-8-1 | Q1, Q2, Q4, Q5, Q6, Q7, Q8, Q11 +3 |
| 1 | 8mhz | Crystal_SMD_5032-2Pin_5.0x3.2mm | Y1 |
| 3 | power+ | screw_terminal | J1, J3, J4 |
| 2 | power- | screw_terminal | J2, J10 |
| 1 | UART_Device | uart | J5 |
| 1 | Conn_01x02 | PinHeader_1x02_P2.54mm_Vertical | J6 |
| 1 | ISP | PinHeader_2x03_P2.54mm_Vertical_SMD | J7 |
| 1 | Rudder | PinHeader_1x03_P2.54mm_Vertical | J8 |
| 1 | End Stops | PinHeader_1x04_P2.54mm_Vertical | J9 |
| 1 | FUSE | BladeFuse-CarType | F1 |
| 1 | FUSE | Fuse_2920_7451Metric | F2 |
Show 39 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 10k NTC | R_0805_2012Metric | TH1 |
| 2 | TVS | DO-214AB | TVS3, TVS4 |
| 1 | RED | LED_0603_1608Metric | LED1 |
| 1 | BLUE | LED_0603_1608Metric | LED2 |
| 1 | GREEN | LED_0805_2012Metric | LED3 |
| 1 | YELLOW | LED_0805_2012Metric | LED4 |
| 1 | MUR160, ES1DHE3 | DO-214AC | D1 |
| 2 | MUR160 | DO-214AC | D2, D3 |
| 2 | 5.6v | D_MiniMELF | D4, D5 |
| 2 | D | DO-214AC | D6, D7 |
| 1 | D | D_SOD-123 | D8 |
| 2 | 10uH | L_Sunlord_MWSA0518_5.4x5.2mm | L1, L2 |
| 1 | 1uF | C_0805_2012Metric | C1 |
| 20 | 10uF | C_1206_3216Metric | C2, C3, C5, C6, C7, C14, C16, C22 +12 |
| 2 | 680uF | CP_Radial_D16.0mm_P7.50mm | C10, C11 |
| 13 | .1uF | C_0805_2012Metric | C13, C15, C18, C19, C23, C28, C29, C30 +5 |
| 2 | .22uF | C_0805_2012Metric | C17, C26 |
| 1 | 18pF | C_0805_2012Metric | C20 |
| 1 | 12pF | C_0805_2012Metric | C21 |
| 3 | 22nF | C_0805_2012Metric | C37, C38, C43 |
| 2 | 4.7uF | C_0805_2012Metric | C39, C40 |
| 9 | 10k | R_0805_2012Metric | R1, R7, R29, R32, R34, R38, R41, R52 +1 |
| 2 | 2.2 | R_0805_2012Metric | R2, R3 |
| 9 | 47 | R_0805_2012Metric | R4, R5, R8, R9, R10, R13, R42, R43 +1 |
| 2 | 2m | R_2512_6332Metric | R16, R17 |
| 2 | 560 | R_0805_2012Metric | R18, R50 |
| 1 | 120k | R_0805_2012Metric | R19 |
| 1 | 150k | R_0805_2012Metric | R20 |
| 1 | 2k | R_0805_2012Metric | R21 |
| 4 | 2.4k | R_0805_2012Metric | R22, R25, R28, R33 |
| 1 | 10 | R_0805_2012Metric | R23 |
| 3 | 1.2k | R_0805_2012Metric | R24, R26, R27 |
| 3 | 100k | R_0805_2012Metric | R30, R35, R36 |
| 1 | 15k | R_0805_2012Metric | R31 |
| 1 | 56k | R_0805_2012Metric | R37 |
| 2 | 47k | R_0805_2012Metric | R39, R40 |
| 1 | 180k | R_0805_2012Metric | R51 |
| 1 | 27k | R_0805_2012Metric | R53 |
| 1 | 100m | R_1206_3216Metric | R55 |
Midpower controller design files
The KiCad project lives in the pypilot/pypilot_schematics repository on GitHub; these links point at the commit this page was built from.
Midpower controller: common questions
What microcontroller does the Midpower controller use?
The Midpower controller is built around the ATmega328P-AU, from the AVR/Arduino family.
How big is the Midpower controller PCB?
The Midpower controller measures 103.4 × 71.6 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Midpower controller?
142 components, from 59 distinct parts. The full bill of materials is listed on this page.
Where can I download the Midpower controller design files?
From the pypilot/pypilot_schematics repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Midpower controller design in my own project?
The repository has no license, so all rights stay with pypilot. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Midpower controller without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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