The bq7716xy device family provides an overvoltage
monitor and protector for Li-Ion battery pack systems. Each cell is monitored independently for an
overvoltage condition. For quicker production-line testing, the bq7716xy device provides a Customer
Test Mode with greatly reduced delay time.
In the bq7716xy device, an external delay timer is initiated upon detection of an
overvoltage condition on any cell. Upon expiration of the delay timer, the output is triggered into
its active state (either high or low, depending on the configuration). The external delay timer
feature also includes the ability to detect an open or shorted delay capacitor on the CD pin, which
will similarly trigger the output driver in an overvoltage condition.
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