VOLTAGE DETECTION CIRCUIT ASSEMBLY FOR A BATTERY PACK OF A POWER TOOL

Abstract: a battery pack configured to supply power to a common load includes at least one battery having a high side battery interface and a low side battery interface. the high side and low side battery interfaces are electrically coupled to the common load. the battery pack further includes a voltage detection circuit assembly configured to perform a plurality of operations, including but not limited to determining whether to implement a hardware trigger on only the high side battery interface by referencing ground of the low side battery interface, detecting a load type of the common load based on whether the high side battery interface is triggered, sending a notification to the high side battery interface and the low side battery interface as to whether the high side battery interface is triggered, and in response to sending the notification, determining whether to allow firmware to operate the common load.

Inventor(s): Maxwell A. Casper, Richard Behnke

CPC Classification: G01R31/3835 (involving only voltage measurements)

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