2 layers71.1 × 52.1 mm
7seg display
mat3ck/eirbot1a_2018
Eirbot first year team project for 2018 France Championship of Robotics
19 parts2MIT
2 layers109.2 × 61.5 mm
Power board
mat3ck/eirbot1a_20182Eirbot first year team project for 2018 France Championship of Robotics
- Size
- 109.2 × 61.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 29
- Nets
- 21
- Pads
- 101
- Tracks, vias
- 189, 0
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 6 Oct 2017
- Updated
- 31 May 2018
Overview
Power board is an open-source printed circuit board by mat3ck, from the mat3ck/eirbot1a_2018 repository on GitHub, published under the MIT licence. It is a 2-layer board of 109.2 × 61.5 mm with 29 parts on 21 nets, routed with 189 tracks and 0 vias.
It is built around the ATTINY84-20PU, LM2678S-3.3 and L7805. Its parts include 10 connectors, 3 capacitors, 3 resistors, 3 ICs and 2 diodes. It belongs with the robots and motor control boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
3
ATTINY84-20PU
PDIP-14-40℃~+85℃ 10bit 12 2.7V~5.5V 20MHz 512Byte 512Byte 8 Bit 8KB AVR Built-in FLASH PDIP-14 Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
LM2678S-3.3
DDPAK(TO-263-7)-40℃~+125℃@(TJ) 1 260kHz 3.3V 5A 8V~40V Buck Buck Built-in Fixed No DDPAK(TO-263-7) DC-DC Converters ROHSTexas InstrumentsDC-DC Converters
L7805
TO-220ST0℃~+125℃@(Tj) 1 1.2A 20V 2V@(1A) 42uV 500uA 5V 73dB@(120Hz) Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdeirbot1a_2018
Eirbot first year team project for 2018 France Championship of Robotics
Projet de l'equipe 1A d'Eirbot pour la coupe de France de robotique 2018
Parts
29| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | Conn_01x03 | Connectors_Phoenix:PhoenixContact_MC-G_03x3.81mm_Angled | J11, J21, J22, J31, J32, J33, J34 |
| 2 | 100uF | Capacitors_THT:CP_Radial_D6.3mm_P2.50mm | C22, C23 |
| 2 | 2N7000 | TO_SOT_Packages_THT:TO-92_Molded_Narrow | Q11, Q12 |
| 2 | Conn_01x02 | Connectors_Phoenix:PhoenixContact_MC-G_02x3.81mm_Angled | J12, J13 |
| 2 | FINDER-30.22 | Relays_THT:Relay_DPDT_Finder_40.52 | K21, K31 |
| 1 | 0.01uF | Capacitors_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C21 |
| 1 | 100k | Resistors_SMD:R_0805_HandSoldering | R11 |
| 1 | 10k | Resistors_SMD:R_0805_HandSoldering | R13 |
| 1 | 27uH | Inductors_THT:L_Radial_D7.8mm_P5.00mm_Fastron_07HCP | L21 |
| 1 | ATTINY84-20PU | Housings_DIP:DIP-14_W7.62mm | U11 |
| 1 | Conn_01x02 | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | J14 |
| 1 | D_Schottky | Diodes_THT:D_DO-41_SOD81_P7.62mm_Horizontal | D21 |
| 1 | Fuse | Fuse_Holders_and_Fuses:Fuseholder5x20_horiz_open_inline_Type-I | F21 |
| 1 | Jumper | Measurement_Points:Test_Point_2Pads | JP11 |
| 1 | L7805 | TO_SOT_Packages_THT:TO-220-3_Vertical | U12 |
| 1 | LED | LEDs:LED_1206_HandSoldering | D11 |
| 1 | LM2678 | TO_SOT_Packages_THT:TO-220-7_Vertical_StaggeredType1 | U21 |
| 1 | R | Resistors_SMD:R_0805_HandSoldering | R12 |
| 1 | T6,3A | Fuse_Holders_and_Fuses:Fuseholder5x20_horiz_open_inline_Type-I | F31 |
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Questions
How big is the Power board PCB?
It measures 109.2 × 61.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Power board use?
29 parts, built around the ATTINY84-20PU, LM2678S-3.3 and L7805. 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 Power board KiCad files?
From the mat3ck/eirbot1a_2018 repository on GitHub, at the commit this page was made from: the board is pcb/power_board/power_board.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Power board design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).