Wiki source code of 1. Technical specifications
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| 1 | (% data-numbered-headings-start="1" style="--numbered-headings-start: 0;font-size: 0px;color: rgba(0, 0, 0, 0.0);margin-bottom: 0px; margin-top: 0px;" %) | ||
| 2 | = Technical specifications = | ||
| 3 | |||
| 4 | BMS Mini S is a miniature full-featured centralized BMS for high-capacity lithium-ion batteries. It has many communication interfaces, an ability to collect information during the entire battery lifetime and an integrated DC/DC converter. | ||
| 5 | |||
| 6 | == Specifications == | ||
| 7 | |||
| 8 | (% style="width:624px" %) | ||
| 9 | |**Parameter**|(% style="width:230px" %)**Value** | ||
| 10 | |Battery voltage, V|10* to 52 | ||
| 11 | |((( | ||
| 12 | Current consumption @36 V, mA (maximum): | ||
| 13 | |||
| 14 | work (no load) | ||
| 15 | |||
| 16 | standby | ||
| 17 | )))|((( | ||
| 18 | |||
| 19 | |||
| 20 | 30 | ||
| 21 | |||
| 22 | 0.3 | ||
| 23 | ))) | ||
| 24 | |Number of cells|4 to 12 | ||
| 25 | |Cell balancing type|Passive | ||
| 26 | |Cell balancing current, mA, @ 4.2 V|220 | ||
| 27 | |Cell voltage measurement error, V|0.003 | ||
| 28 | |Cell temperature measurement error, °С|2 | ||
| 29 | |Output voltage of the internal DC/DC converter, V|12 ± 1 | ||
| 30 | |Output current of the internal DC/DC converter, A (maximum)|3 | ||
| 31 | |Number of programmable MOSFETs for contactors (100V, 5A)|4 | ||
| 32 | |Number of programmable discrete inputs (dry contact)|4 | ||
| 33 | |Number of programmable discrete outputs (5V, total 100mA)|4 | ||
| 34 | |Current sensor type|Hall-Effect sensor, bidirectional (LEM series: HASS, HTFS, DHAB) | ||
| 35 | |Interfaces|1xCAN / 1xRS-485 / 1xUSB | ||
| 36 | |CAN output voltage, V|5.0 ± 0.5 | ||
| 37 | |CAN output current, mA (maximum)|400 | ||
| 38 | |Additional modules|BMS Wi-Fi | ||
| 39 | |Dimensions (length × width × height), mm|125 × 117 × 17 | ||
| 40 | |Weight, g|210 ± 5 | ||
| 41 | |Operating temperature range, °С|-40 to +85 | ||
| 42 | |||
| 43 | * The minimum voltage for the internal 12V DC/DC converter is 14 Volts. | ||
| 44 | |||
| 45 | == Overall and mounting dimensions == | ||
| 46 | |||
| 47 | [[image:1733740566202-914.png||data-xwiki-image-style-alignment="center" height="158" width="451"]] | ||
| 48 | |||
| 49 | [[image:1733740566205-724.png||data-xwiki-image-style-alignment="center" height="449" width="496"]] | ||
| 50 | |||
| 51 | == Typical battery system == | ||
| 52 | |||
| 53 | Typical battery system based on the BMS Mini is shown on figure below. | ||
| 54 | |||
| 55 | [[image:1733740624419-743.png||data-xwiki-image-style-alignment="center"]] | ||
| 56 | |||
| 57 | == Safety rules == | ||
| 58 | |||
| 59 | The BMS can be connected to batteries with life-threatening and health-hazardous voltage levels. When working with high-voltage batteries, observe electrical safety regulations, use safety glasses, protective clothing, insulated tools, and appliances. | ||
| 60 | |||
| 61 | (% class="box errormessage" %) | ||
| 62 | ((( | ||
| 63 | **The system is not designed to work with batteries with total voltage more than 60 volts.** | ||
| 64 | ))) | ||
| 65 | |||
| 66 |