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Forum Post: RE: Fuse placement bq20z65

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Markus,

It seems that there is an error that the FUSE placement is not actually shown on the schematic, but the external circuit components required to support the FUSE are shown. The FUSE signal, located at TP3, should be connected to the heater resistor pin on the chemical fuse. The chemical fuse can be placed between the battery stack and the CHG / DSG FETs or between the CHG / DSG FETs and the PACK+ terminal. The EVM does not provide a footprint to place the FUSE for evaluation. The FUSE test point was used to allow the user to evaluate the signal and conditions required to blow the FUSE.We are sorry for the confusion.

Regards

Tom


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