BMS Host Interface Splitter
About the BMS Host Interface Splitter PCB
BMS Host Interface Splitter is an open source PCB design by TERA-TU-Graz, published on GitHub under the SHL-2.1 license. It is a 4-layer board measuring 57.5 × 49.5 mm, with 154 components from 16 distinct parts.
Other key parts include the SN74HC21D, 74HCT1G125GW-Q100 and NC7WZ16P6X. By type, the board carries 65 capacitors, 33 diodes, 32 resistors, 15 connectors and 9 ICs.
It belongs with the power & battery designs in this gallery.
Main components on the BMS Host Interface Splitter
BMS Host Interface Splitter bill of materials (BOM)
154 components, 16 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SN74HC21D | SN74HC21D | U1 |
| 4 | 74HCT1G125GW-Q100 | 74HCT1G125GW-Q100H | U2, U4, U6, U8 |
| 4 | NC7WZ16P6X | NC7WZ16P6X | U3, U5, U7, U9 |
| 1 | SPI_IN | JST_XH_B09B-XH-A_09x2.50mm_Straight | P1 |
| 1 | 12V | JST_XH_B02B-XH-A_02x2.50mm_Straight | P2 |
| 1 | Digital_Out | JST_EH_B02B-EH-A_02x2.50mm_Straight | P3 |
| 4 | Digital_In | JST_EH_B02B-EH-A_02x2.50mm_Straight | P4, P7, P10, P13 |
| 4 | SPI_Out | Molex_PicoBlade_53398-0671_06x1.25mm_Straight | P5, P8, P11, P14 |
| 4 | 12V_Out | JST_XH_B02B-XH-A_02x2.50mm_Straight | P6, P9, P12, P15 |
| 1 | 18V | DO-214AA_with_vias_in_pad | D1 |
| 28 | 5V | SD05_tvs_5v | D4, D5, D6, D7, D8, D9, D10, D12 +20 |
| 4 | 15V | CDSOD323-T15S_tvs_15v | D11, D19, D27, D35 |
| 41 | 100n | C_0603in | C1, C2, C3, C4, C5, C6, C7, C8 +33 |
| 24 | 1n | C_0603in | C14, C15, C16, C19, C20, C21, C28, C29 +16 |
| 8 | 10K | R_0603in | R3, R4, R5, R6, R7, R8, R9, R10 |
| 24 | 1k | R_0603in | R11, R12, R13, R14, R15, R16, R17, R18 +16 |
BMS Host Interface Splitter design files
The KiCad project lives in the TERA-TU-Graz/BatteryManagement_2017 repository on GitHub; these links point at the commit this page was built from.
BMS Host Interface Splitter: common questions
How big is the BMS Host Interface Splitter PCB?
The BMS Host Interface Splitter measures 57.5 × 49.5 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the BMS Host Interface Splitter?
154 components, from 16 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the BMS Host Interface Splitter design files?
From the TERA-TU-Graz/BatteryManagement_2017 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the BMS Host Interface Splitter design in my own project?
It is published under SHL-2.1, which limits how it may be reused; read the license before building on it.
More boards in BatteryManagement_2017
BMS Monitor / Balancer for Fennek 2017
55 × 48.5 mm193 parts4LSHL-2.13
STM32BMS Master V6
93.5 × 61 mm165 parts4LSHL-2.13
BMS Master V5
93.5 × 61 mm145 parts4LSHL-2.13
STM32BMS Master V7
77 × 58.5 mm116 parts4LSHL-2.13
Power distribution unit fennek 2017
115.5 × 65 mm62 parts4LSHL-2.13
BMS Balancer
100 × 60 mm56 parts2LSHL-2.13
HostInterfaceFilter
37 × 24 mm44 parts2LSHL-2.13
BMS Interlock
41 × 24.5 mm29 parts2LSHL-2.13
BMS Host Interface (SPI + DI/DO) Isolator
32.5 × 32.5 mm21 parts4LSHL-2.13
Current sense
32 × 37 mm7 parts2LSHL-2.13
PreCharger V2
50.5 × 36 mm7 parts2LSHL-2.13
Similar boards
Display Carrier
AxxAxx
35.6 × 58.2 mm5 parts2LGPL-3.01.7k
ControllerCurrentShuntAddOn
stuartpittaway
26 × 16.9 mm9 parts2LCC-BY-NC-4.01.1k
TemperaturePCB PANEL
116 × 75.5 mm178 parts2LCC-BY-NC-4.01.1k
Module 16S PassiveBalanceAddOn
61 × 74 mm86 parts2LCC-BY-NC-4.01.1k
ProgrammingAdapter
10.5 × 83 mm3 parts2LCC-BY-NC-4.01.1k
Cube batteryboard
willem-pennings
95 × 95 mm4 parts2LGPL-3.01.1k