Reducing the number of power switches in a cordless power tool

DRIVE November 9, 2005
Source
A battery pack may include at least one battery cell, a discharge switch coupled to the at least one battery cell, and monitoring and control circuitry responsive to a position of a trigger of an associated cordless power tool to provide a control signal to the discharge switch. The discharge switch may be responsive to the control signal to control a discharge current provided to a load of the cordless power tool. The load may be a motor driving an element of the cordless power tool.

Discussion in the ATmosphere

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