Thunderstruck’s Dilithium Design BMS satellites communicate with a central BMS controller via daisy-chained isoSPI networks. These satellites enable monitoring of large battery packs with flexible cell configurations. Note that BMS satellites cannot function independently—they require a compatible controller, either a BMSC or an MCU.
Each 18-cell satellite uses a single LTC device for all 18 cells. A minimum of 4 cells must be connected per LTC device (6 cells minimum for the 18-cell version). This setup allows for a wide range of pack sizes and configurations.
Thunderstruck offers two BMS controllers:
BMSC (Battery Management System Controller): Can manage up to 24 cells on its own and supports up to 96 cells when combined with 24-cell satellites.
MCU (Master Control Unit): Requires satellites to function and can manage up to 288 cells when connected to either 18-cell or 24-cell satellites.
Whats included:
A harness test board is required for verifying BMS cell harnesses. The BMSC kit includes a 12-cell test board. When ordering an MCU, be sure to choose the appropriate test board based on your satellite type:
Use a 12-cell test board with 24-cell satellites.
Use an 18-cell test board with 18-cell satellites.
Thermistor harnesses sold separately
Max Cells Monitored per Controller/Satellite: 18 Max Satellites That Can be Added per Controller: BMSC - 3, MCU - 8 Satellite IO: 2 Pin IsoSPI Connector Power Requirement:15ma of 10-15V Dimensions: 2.6" x 5.4" x 1.1" Warranty Period: One year factory warranty under normal use and service.
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