Custom Smart Battery Systems (SBS) with SmBus V1.1 support for 12.8V 30A rated LFP pack (#7702)
BatterySpace Smart Battery System (SBS) boards are designed to monitor & manage 12.8V LiFePO4 battery packs. With SMBus Interface, you can collect battery data through the SMbus V1.1 protocol right from the SBS.
Smart Battery System (SBS) consist of the following:
- PCM board with temperature sensor
| SBS Board for | 12.8V |
| Supported Battery Capacity Range |
PN# CU-J877 is pre-programmed to support 26650-4S2P, 6000mAh This board can support 0.5Ah-32Ah, 30A, but need to be reprogrammed if needed. |
| Over-Charge protection (Single Cell) |
3.9V ± 0.025V |
| Over-discharge protection (Single Cell) |
2.20V ± 0.05V |
| Discharging Current | 30A Continous, 60A (< 5 mins) |
| Charging Temperature Protection | 55°C |
| Discharging Temperature Protection | 60°C |
| Dimension (LxWxH) | 102x50x5mm (4x2x0.12") |
| Weight | 0.35Oz (10 grams) |
| Specification |  |
- Interface with PC.
- BQ3060 IC is installed on PCM for communication with PC or LCD display card (optional item)
- Connector adapter: 2' long Convert from 4 Pin Female JST plug to 4 pin Female Molex Connector (not included) for connecting PCM to PC interface
- To communicate with PC, you must order this Interface hardware from Texas Instrument, EV2300 Evaluation Module Interface Board for SBS
- From PC, you can collect battery pack running data as follow:
- Voltage
- RemCap (mAh) --> Remain Capacity
- DnCap (mAh) --> Design Capacity
- FullCap (mAh) --> Full Capacity
- Temp ('C)
- Current (mAh)
- Cycle (CYC)
- You can check each cell's voltage as follow:
- Cell -V1 (mV)
- Cell-V2 (mV)
- Cell-V3 (mV)
- Cell-V4 (mV)
- AveTTE (min)
- AVETTF (min)
- SN