SLUSDQ4 April 2019 BQ79606A-Q1
The device is capable of operation with 3 to 6 cells. For modules with less than 6 cells, the VC* inputs must be used in ascending order, with all unused inputs connected together with the input to the highest used VC* input. For example, in a 4- cells design, inputs VC5, and VC6 are not used. These VC inputs must be connected together with VC4 for proper operation. The same with CB pins. See Figure 44 for an example.