2 layers47 × 84 mm
BQ76925 ATMEGA328P 6S 20A BMS
M-S-Ali/raven-i-sentinel
6S - 24V - 20A Battery Management System (BMS) based on TI BQ76925 and Microchip Atmega328P.
79 parts2
2 layers66.3 × 54.9 mm
Battery science
MITEVT/opel_battery_scienceMaking science out of batteries! Yeah!
- Size
- 66.3 × 54.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 58
- Nets
- 92
- Pads
- 257
- Tracks, vias
- 460, 42
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 24 Sep 2016
- Updated
- 6 Oct 2016
Overview
Battery science is an open-source printed circuit board by MITEVT, from the MITEVT/opel_battery_science repository on GitHub. It is a 2-layer board of 66.3 × 54.9 mm with 58 parts on 92 nets, routed with 460 tracks and 42 vias.
It is built around the BQ76925PW and CAY16-101J8LF. Its parts include 24 capacitors, 17 resistors, 5 diodes, 4 ICs and 4 connectors. It belongs with the power boards and the NXP (LPC, Kinetis, i.MX RT) boards of this library.
Main components
2Parts
58| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | .1μF | Capacitors_SMD:C_0603_HandSoldering | C201, C203, C309, C311, C312, C314, C315, C316, C317, C501 |
| 8 | 1μF | Capacitors_SMD:C_0603_HandSoldering | C302, C303, C304, C305, C306, C307, C308, C320 |
| 7 | 10k | Resistors_SMD:R_0603_HandSoldering | R206, R207, R308, R309, R310, R311, R312 |
| 5 | 100 | Resistors_SMD:R_0603_HandSoldering | R201, R202, R203, R204, R205 |
| 5 | LED | LEDs:LED_0805 | D201, D202, D203, D204, D205 |
| 3 | 4.7k | Resistors_SMD:R_0603_HandSoldering | R305, R306, R307 |
| 2 | 100nF | Capacitors_SMD:C_0603_HandSoldering | C401, C402 |
| 2 | 1k | Resistors_SMD:R_0603_HandSoldering | R301, R303 |
| 2 | CONN_01X05 | Pin_Headers:Pin_Header_Straight_1x05 | P401, P402 |
| 1 | 10μF | Capacitors_SMD:C_0805_HandSoldering | C502 |
| 1 | 10μF | Capacitors_SMD:C_0603_HandSoldering | C301 |
| 1 | 1nF | Capacitors_SMD:C_0603_HandSoldering | C313 |
| 1 | 1μF | Capacitors_SMD:C_0805_HandSoldering | C202 |
| 1 | 47Ω | Resistors_SMD:R_Array_Convex_8x0602 | RP101 |
| 1 | ADS1148IPWR | Housings_SSOP:TSSOP-28_4.4x9.7mm_Pitch0.65mm | U401 |
| 1 | BQ76925 | Housings_SSOP:TSSOP-20_4.4x6.5mm_Pitch0.65mm | U301 |
| 1 | CAY16-101J8LF | Resistors_SMD:R_Cat16-8 | RP301 |
| 1 | CONN_01X08 | Pin_Headers:Pin_Header_Straight_1x08 | P301 |
| 1 | CONN_02X03 | Connectors_Molex:Molex_Microfit3_Header_02x03_Angled_43045-060x | P201 |
| 1 | LPC11C14 | Housings_QFP:LQFP-48_7x7mm_Pitch0.5mm | U201 |
| 1 | MCP1755 | TO_SOT_Packages_SMD:SOT-23-5 | U501 |
| 1 | SPST | Buttons_Switches_SMD:SW_SPST_EVPBF | SW202 |
| 1 | SPST | Buttons_Switches_ThroughHole:SW_Micro_SPST | SW201 |
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Questions
How big is the Battery science PCB?
It measures 66.3 × 54.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Battery science use?
58 parts, built around the BQ76925PW and CAY16-101J8LF. 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 Battery science KiCad files?
From the MITEVT/opel_battery_science repository on GitHub, at the commit this page was made from: the board is hardware/battery_science.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Battery science design in my own project?
Its repository states no licence, so its author keeps all rights: ask MITEVT before reusing the design.