The TPS61288EVM board is a 4-layer PCB. The top and bottom layers copper thickness is 2-oz. The two inner layers copper thickness is 1-oz. Figure 3-2 and Figure 3-5 show the top view and bottom view, respectively. Figure 3-3 and Figure 3-4 show the inner layer 1 and inner layer 2, respectively.

Figure 3-2 TPS61288EVM-064 Top-Side Layout

Figure 3-3 TPS61288EVM-064 Inner Layer1 Layout

Figure 3-4 TPS61288EVM-064 Inner Layer2 Layout

Figure 3-5 TPS61288EVM-064 Bottom-Side Layout