DEMO MANUAL DC2100B Bidirectional Cell Balancer Using the LTC3300-1 and the LTC6804-2
●Description
■Demonstration Circuit DC2100B is a Bidirectional Cell Balancer using two LTC^®3300-1 ICs to achieve active balancing of up to 12 Li-Ion cells.The board uses a single LTC6804-2 Multi-Cell Addressable Battery Stack Monitor IC to measure cell voltages and two LTC3300-1 ICs to provide active cell balancing.The DC2100B-C contains a PIC18F47J53 microcontroller to communicate with the LTC3300-1 and LTC6804-2 ICs,as well as an LTC6820 isoSPI Interface IC for communication with DC2100B-D boards.Up to seven DC2100B-D boards can be connected to a DC2100B-C to build a stacked system of eight total boards.*
■A graphical user interface(GUI)uses a USB interface to communicate with the DC2100B-C.The GUI controls the LTC3300-1 ICs allowing manual control of the charging/discharging of cells and reporting the voltage of each cell.Cell balancing is achieved through the LTC3300-1 ICs by transferring charge from one or more cells per LTC3300-1 to the stack or from the stack to one or more cells per LTC3300-1.
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