Patent ID: 8547064
Filing Date: 2013-10-01
Classification: G01R,H02J

Abstract:
1. A battery cell tab monitoring circuit electrically connected to a conductive element electrically connected to a first battery cell and a second battery cell, the circuit comprising: a current source connected to pull current from the conductive element or drive current into the conductive element; a controller circuit connected to control operation of the current source; a voltage measuring circuit connected to sense voltages during operation of the current source; and the controller circuit connected to determine a status of the conductive element based at least in part on the voltage measurement, wherein the current source comprises a pull-down current source connected to pull current from the conductive element and a pull-up current source connected to drive current into the conductive elements, the pull-down current source comprising a first pull-down current source and a second pull-down current source and wherein the pull-up current source comprises a first pull-up current source and a second pull-up current source.