2 layers99.5 × 99.5 mm
Balancer
kwiecinski/BMS-and-offgrid-photovoltaic-management-system
Project contains BMS for lead-acid batteries and ESP-based board used to pull information from EASUN offgrid inverter, energy meters and sensors.
173 parts3MIT
2 layers
Esc pcb
PadLifter/PCB-designsThis repository contains PCB desing related files. The files mostly consists of layout and schematic files.
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 53
- Nets
- 58
- Pads
- 171
- Tracks, vias
- 331, 65
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 16 Jan 2023
- Updated
- 18 Jan 2023
Overview
Esc pcb is an open-source printed circuit board by PadLifter, from the PadLifter/PCB-designs repository on GitHub. It is a 2-layer board with 53 parts on 58 nets, routed with 331 tracks and 65 vias.
It is built around the ATMEGA4809-AF, L7805 and BC817, with the AO3401A and IRF540N among its other parts. Its parts include 12 transistors, 11 capacitors, 11 diodes, 10 resistors and 4 connectors. It belongs with the robots and motor control boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
5
ATMEGA4809-AF
TQFP-48(7x7)-40℃~+125℃ 1.8V~5.5V 10bit 20MHz 256Byte 41 48KB 6KB 8 Bit AVR Built-in FLASH TQFP-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
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
BC817
SOT-231 NPN 100nA 150MHz 300mW 40 45V 500mA 5V 700mV NPN SOT-23 Bipolar (BJT) ROHSShikuesBipolar (BJT)AO3401A
SOT-231 P-Channel 14nC@10V 30V 47mΩ@10V、60mΩ@4.5V、85mΩ@2.5V 4A 55pF 645pF 80pF 900mV SOT-23 MOSFETs ROHSAlpha & Omega SemiconductorMOSFETs
IRF540N
TO-2201 N-channel 1.35nF 100V 130W 280pF 33A 35mΩ@10V 4V 52nC@10V 85pF N-Channel TO-220 MOSFETs ROHSOSENMOSFETs
README
ESC/README.mdESC built circuit
Parts
53| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 10K | Resistor_SMD:R_0603_1608Metric | R2, R3, R5, R6, R9, R10 |
| 6 | 1N5819 | Diode_SMD:D_0603_1608Metric | D3, D4, D6, D7, D10, D11 |
| 6 | BC817 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2, Q5, Q6, Q9, Q10 |
| 4 | 1N47xxA | Diode_SMD:D_0603_1608Metric | D1, D2, D8, D9 |
| 4 | 1k | Resistor_SMD:R_0603_1608Metric | R1, R4, R7, R8 |
| 4 | Conn_01x02_Male | Connector_Molex:Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J1, J2, J3, J4 |
| 3 | 100n | Capacitor_SMD:C_0603_1608Metric | C1, C2, C3 |
| 3 | AO3401A | Package_TO_SOT_THT:TO-220-3_Vertical | Q3, Q7, Q11 |
| 3 | IRF540N | Package_TO_SOT_THT:TO-220-3_Vertical | Q4, Q8, Q12 |
| 2 | 4.7nf | Capacitor_SMD:C_0603_1608Metric | C5, C6 |
| 2 | 47nf | Capacitor_SMD:C_0603_1608Metric | C8, C9 |
| 2 | 4u7 | Capacitor_SMD:C_0603_1608Metric | C10, C11 |
| 1 | 0.1uf | Capacitor_SMD:C_0603_1608Metric | C7 |
| 1 | 0.33uf | Capacitor_SMD:C_0603_1608Metric | C4 |
| 1 | 1N5820 | Diode_SMD:D_0603_1608Metric | D5 |
| 1 | ATmega4809-A | Package_QFP:TQFP-48_7x7mm_P0.5mm | U2 |
| 1 | L7805 | Package_TO_SOT_SMD:TO-252-2 | U1 |
| 1 | MOTOR | Connector_Molex:Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical | MOTOR1 |
| 1 | R_Potentiometer | Potentiometer_SMD:Potentiometer_Bourns_3314J_Vertical | RV1 |
| 1 | SW_DIP_x01 | Button_Switch_SMD:SW_DIP_SPSTx01_Slide_6.7x4.1mm_W6.73mm_P2.54mm_LowProfile_JPin | SW1 |
Questions
What parts does the Esc pcb use?
53 parts, built around the ATMEGA4809-AF, L7805, BC817 and AO3401A. 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 Esc pcb KiCad files?
From the PadLifter/PCB-designs repository on GitHub, at the commit this page was made from: the board is ESC/esc pcb.kicad_pcb and its schematic ESC/esc pcb.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Esc pcb design in my own project?
Its repository states no licence, so its author keeps all rights: ask PadLifter before reusing the design.
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