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A Squeeze function in the device helps to detect open-sense wire (to the monitored cell) conditions. When the Squeeze function turns on, it places an approximately 5-kΩ resistance across adjacent VSENSE inputs, and creates an additional voltage drop through the approximately 100-Ω series resistors. This causes the apparent increase in the voltage applied to the window-comparator blocks immediately above, and below, the inputs that have the Squeeze resistor applied. Only the comparators can see the increased voltage not the AFE. This in turn may cause the OV comparator fault to trip, even if the external sense-pin voltage measurement says otherwise, depending on the OV threshold.
