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BQ79718-Q1: BQ79718-Q1 VC,CB Pin Surge Protection

Part Number: BQ79718-Q1
Hello,

I installed a TVS on the BQ79718-Q1 chip for surge protection on the VC and CB lines.

As a result, the voltage displayed on the cell monitoring has many swings.

After checking with a multimeter, it seems that diodes are built into the VC and CB lines inside the chip.

In the data sheet, the contents of the built-in protection circuit (diode, etc.) are not shown.

May I know the spec of the built-in diode?

The figure below is a circuit in which an error occurred by adding a TVS.