DC2100B-C

DC2100B-C 12 is 12-cell 4A active cell balancer controller board. It is a bi-directional active cell balancer with LTC3300-1, LTC6804-2 and LTC6820. It contains a PIC18F47J53 microcontroller, the LTM2884 isolated USB transceiver, the LTC6804-2, two LTC3300-1 ICs, and the LTC6820 isoSPI Interface IC to facilitate isolated communication. 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.

• 3.2V to 4.5V (2.5V to 4.5V) cell voltage range
• 4.0A (typ) average battery balancing charge current
• 4.3A (typ) average battery balancing discharge current (12 cells)
• 90% (typ) balancing efficiency

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