2 layers44 × 50 mm
2 layers50 × 50 mm
OpenBMSFrontEnd
Ralim/Open-BMS46ISL94202 & MSP430 based BMS
- Size
- 50 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 85
- Nets
- 67
- Pads
- 270
- Tracks, vias
- 606, 60
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 18 Jun 2017
- Updated
- 12 Jul 2020
Overview
OpenBMSFrontEnd is an open-source printed circuit board by Ralim, from the Ralim/Open-BMS repository on GitHub. It is a 2-layer board of 50 × 50 mm with 85 parts on 67 nets, routed with 606 tracks and 60 vias.
It is built around the NDS7002A and NDS0605. Its parts include 51 resistors, 10 transistors, 7 capacitors, 6 connectors and 1 IC. It belongs with the power boards of this library.
Main components
2README
README.mdOpen-BMS
ISL94202 & MSP430 based BMS
This is the source files for the Open BMS Designed by Ben V. Brown. Documentation is currently over at Hackaday.io.
Parts
85| Qty | Value | Footprint | References |
|---|---|---|---|
| 15 | 10k | Resistors_SMD:R_0603 | R9, R11, R13, R15, R17, R18, R19, R20, R21, R112, R115, R210, R212, R216, R218 |
| 10 | 1k | Resistors_SMD:R_0603 | R10, R12, R14, R16, R110, R209, R211, R213, R217, R219 |
| 8 | 330k | Resistors_SMD:R_0603 | R5, R6, R7, R8, R205, R206, R207, R208 |
| 8 | 47R | Resistors_SMD:R_0805 | R1, R2, R3, R4, R201, R202, R203, R204 |
| 5 | . | conn-test:JUMPER-SOLDER-SMD | JP1, JP2, JP3, JP4, JP101 |
| 5 | 100 | Resistors_SMD:R_0603 | R101, R104, R106, R107, R109 |
| 5 | NDS7002A | TO_SOT_Packages_SMD:SOT-23 | Q2, Q3, Q4, Q203, Q204 |
| 4 | Mounting_Hole | Mounting_Holes:MountingHole_3.2mm_M3 | MK1, MK2, MK3, MK4 |
| 3 | 4.7n | Capacitors_SMD:C_0603 | C101, C105, C106 |
| 3 | NDS0605 | TO_SOT_Packages_SMD:SOT-23 | Q1, Q201, Q202 |
| 2 | 100n | Capacitors_SMD:C_0603 | C102, C107 |
| 2 | 1M | Resistors_SMD:R_0603 | R105, R108 |
| 2 | 1u | Capacitors_SMD:C_0603 | C119, C120 |
| 2 | 22k | Resistors_SMD:R_0603 | R113, R114 |
| 2 | FDMS8050 | TO_SOT_Packages_SMD:TDSON-8-1 | Q101, Q102 |
| 1 | 0.002 | Resistors_SMD:R_2512 | R102 |
| 1 | CONN_02X05 | Connectors:IDC_Header_Straight_10pins | J1 |
| 1 | ISL94202 | Housings_DFN_QFN:UQFN-48-1EP_6x6mm_Pitch0.4mm | U101 |
| 1 | OpenBMSRiser | BMSFootprints:OpenBMSRiser | J2 |
| 1 | PACK+ | Wire_Pads:SolderWirePad_single_2mmDrill | J5 |
| 1 | PACK- | Wire_Pads:SolderWirePad_single_2mmDrill | J6 |
| 1 | Thermistor | Resistors_SMD:R_0603 | TH101 |
| 1 | VBATT+ | Wire_Pads:SolderWirePad_single_2mmDrill | J3 |
| 1 | VBATT- | Wire_Pads:SolderWirePad_single_2mmDrill | J4 |
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Questions
How big is the OpenBMSFrontEnd PCB?
It measures 50 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the OpenBMSFrontEnd use?
85 parts, built around the NDS7002A and NDS0605. 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 OpenBMSFrontEnd KiCad files?
From the Ralim/Open-BMS repository on GitHub, at the commit this page was made from: the board is Electronics/BMS FrontEnd/OpenBMSFrontEnd.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the OpenBMSFrontEnd design in my own project?
Its repository states no licence, so its author keeps all rights: ask Ralim before reusing the design.