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bq76920EVM Circuit Module Physical Construction
5 bq76920EVM Circuit Module Physical Construction
This section contains the PCB layout, bill of materials, and schematic of the bq76920EVM circuit module.
The bq76920EVM consists of one circuit module assembly, PWR523.
5.1 Board Layout
The bq76920EVM circuit module is a 4.0-inch × 4.805-inch 4-layer circuit card assembly. It is designed for
easy assembly with cell connections on the left side to a terminal block and high current terminals through
banana jacks. Control connections are on the left top. Pack terminals are on the right side using banana
jacks. Wide trace areas are used reducing voltage drops on the high current paths. The EVM layout and
construction allows easy understanding of the connections and access to the test points for evaluation, but
the connector area and programming features result in a large board.
See additional information in the configuration and operation sections of this document. Figure 7 to
Figure 14 show the board layout.
Figure 7. Top Silk Screen
15
SLVU924B–March 2014–Revised April 2014 bq76920 Evaluation Module User's Guide
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