2 layers145 × 60.3 mm
Mkulima hardware
Kazenzi/The-robotic-farmer
Click the Youtube Thumbnail below for a youtube demo video:
147 parts1MIT
4 layers32 × 80 mm
Mppt charge controller
bytesizedengineering/mppt-charge-controller23- Size
- 32 × 80 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 75
- Nets
- 58
- Pads
- 225
- Tracks, vias
- 366, 103
- Pours
- 14
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 19 Apr 2024
- Updated
- 14 Feb 2025
Overview
Mppt charge controller is an open-source printed circuit board by bytesizedengineering, from the bytesizedengineering/mppt-charge-controller repository on GitHub, published under the GPL-3.0 licence. It is a 4-layer board of 32 × 80 mm with 75 parts on 58 nets, routed with 366 tracks and 103 vias.
It is built around the AP63203WU, BAT54C and PDS1040. Its parts include 16 resistors, 15 capacitors, 5 ICs, 4 diodes and 4 connectors. It belongs with the ESP32 boards of this library.
Main components
3
AP63203WU
TSOT-23-6-40℃~+85℃@(TA) 1 1.1MHz 22uA 2A 3.3V 3.8V~32V Buck Built-in Fixed Overcurrent Protection、Light load efficient mode、Cycle-by-cycle current limiting、Hiccup current limiting、EMI optimization (spread spectrum) Step-down type Yes TSOT-23-6 DC-DC Converters ROHSDiodes IncorporatedDC-DC Converters
BAT54C
SOT-231 Pair Common Cathode 200mA 2uA@25V 30V 600mA 800mV@100mA SOT-23 Schottky Diodes ROHSNexperiaSchottky Diodes
PDS1040
Power-DI-51 Independent 10A 275A 40V 510mV@10A 700uA@40V Power-DI-5 Schottky Diodes ROHSDiodes IncorporatedSchottky Diodes
README
README.mdLicense
This project is licensed under the GNU General Public License v3.0 - see the LICENSE file for details.
mppt charge controller
BQ 24650 datasheet can be found here https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fbq24650
Parts
75| Qty | Value | Footprint | References |
|---|---|---|---|
| 13 | TestPoint | TestPoint:TestPoint_Pad_D1.0mm | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8, TP9, TP10, TP11, TP12, TP13 |
| 4 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C5, C7, C12, C15 |
| 4 | 100k | Resistor_SMD:R_0603_1608Metric | R1, R11, R14, R16 |
| 4 | 499k | Resistor_SMD:R_0603_1608Metric | R2, R3, R12, R15 |
| 4 | ~ | NetTie:NetTie-2_SMD_Pad0.5mm | NT1, NT2, NT3, NT4 |
| 3 | , , | ||
| 3 | 1uF | Capacitor_SMD:C_0603_1608Metric | C2, C3, C4 |
| 3 | Conn_01x02_Socket | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J1, J2, J3 |
| 2 | 100 | Resistor_SMD:R_0603_1608Metric | R7, R8 |
| 2 | 10uF | Capacitor_SMD:C_1206_3216Metric | C6, C8 |
| 2 | 22uF | Capacitor_SMD:C_0603_1608Metric | C13, C14 |
| 2 | ACS712 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3, U4 |
| 2 | Q_Dual_NMOS_S1G1S2G2D2D2D1D1 | Package_SO:PowerPAK_SO-8_Dual | Q1, Q2 |
| 2 | TestPoint | TestPoint:TestPoint_Loop_D2.60mm_Drill1.6mm_Beaded | TP14, TP15 |
| 1 | 0.02 | Resistor_SMD:R_1206_3216Metric | RSR1 |
| 1 | 10 | Resistor_SMD:R_0603_1608Metric | R6 |
| 1 | 10uF | Capacitor_SMD:C_0603_1608Metric | C11 |
| 1 | 10uH | MPPT Charge Controller Footprint Library:L_Vishay_6.9x6.5 | L1 |
| 1 | 2 | Resistor_SMD:R_2512_6332Metric | R5 |
| 1 | 2.2uF | Capacitor_SMD:C_1210_3225Metric | C1 |
| 1 | 22pF | Capacitor_SMD:C_0603_1608Metric | C10 |
| 1 | 2N7002 | Package_TO_SOT_SMD:SOT-23 | Q3 |
| 1 | 30.1k | Resistor_SMD:R_0603_1608Metric | R10 |
| 1 | 36k | Resistor_SMD:R_0603_1608Metric | R13 |
| 1 | 4.7uF | Capacitor_SMD:C_0805_2012Metric | C9 |
| 1 | 4.7uH | Inductor_SMD:L_Vishay_IFSC-1515AH_4x4x1.8mm | L2 |
| 1 | 5.23k | Resistor_SMD:R_0603_1608Metric | R9 |
| 1 | AP63203WU | Package_TO_SOT_SMD:TSOT-23-6 | U2 |
| 1 | Adafruit_Feather_HUZZAH32_ESP32 | Module:Adafruit_Feather | A1 |
| 1 | BAT54C | Package_TO_SOT_SMD:SOT-23 | D2 |
| 1 | DNP | Resistor_SMD:R_0603_1608Metric | R4 |
| 1 | GREEN | LED_SMD:LED_0603_1608Metric | D4 |
| 1 | LOGO | New Logo:byteSizedEngineeringLogo-5mm | G*** |
| 1 | MCP4018 | Package_TO_SOT_SMD:SOT-363_SC-70-6 | U5 |
| 1 | PDS1040 | Diode_SMD:D_PowerDI-5 | D1 |
| 1 | RED | LED_SMD:LED_0603_1608Metric | D3 |
| 1 | ~ | MPPT Charge Controller Footprint Library:VQFN-16_EP_3.5x3.5_Pitch0.5mm | U1 |
| 1 | ~ | Connector_PinSocket_2.54mm:PinSocket_1x02_P2.54mm_Vertical | J4 |
The 74 most common of 75 parts.
Questions
How big is the Mppt charge controller PCB?
It measures 32 × 80 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Mppt charge controller use?
75 parts, built around the AP63203WU, BAT54C and PDS1040. 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 Mppt charge controller KiCad files?
From the bytesizedengineering/mppt-charge-controller repository on GitHub, at the commit this page was made from: the board is Electrical Design/MPPT Charge Controller - KiCad project folder/MPPT Charge Controller.kicad_pcb and its schematic Electrical Design/MPPT Charge Controller - KiCad project folder/MPPT Charge Controller.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Mppt charge controller design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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