1. Technical specifications
Last modified by Admin on 2025/05/13 17:17
Technical specifications
BMS Mini 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.
Specifications
Parameter | Value |
Battery voltage, V | 16 to 78 |
Current consumption @48 V, mA (maximum):
|
30 |
Number of cells | 6 to 18 |
Cell balancing type | Passive |
Cell balancing current, mA, @ 4.2 V | 220 |
Cell voltage measurement error, V | ±0.004 |
Cell temperature measurement error, °С | ±2 |
Output voltage of the internal DC/DC converter, V | 12 ± 1 |
Output current of the internal DC/DC converter, A (maximum) | 3 |
Number of programmable MOSFETs for contactors (40V, 5A) | 4 |
Number of programmable discrete inputs (dry contact) | 4 |
Number of programmable discrete outputs (5V, total 200mA) | 4 |
Type of the current sensor | Hall-Effect sensor, bidirectional, (LEM series: HASS, HTFS, DHAB) |
Wired interfaces | 1xCAN / 1xRS-485 / 1xUSB |
CAN output voltage, V | 5.0 ± 0.5 |
CAN output current, mA (maximum) | 400 |
Dimensions (length × width × height), mm | 140 × 117 × 17 |
Weight, g | 240 ± 20 |
Operating temperature range, °С | -40 to +85 |
Headers X1, X3-X9 type | Molex series Micro-Fit |
Overall and mounting dimensions
Typical battery system
Typical battery system based on the BMS Mini is shown on figure below.