US Patent 11888335 Battery inrush and outrush current limiting

In general, one aspect disclosed features an apparatus, comprising: a battery; a resistive load; a switch comprising a first transistor and a second transistor; a resistor; an inductor; and a control circuit; wherein the switch, the resistor, and the inductor are coupled in series between the battery and the resistive load; and wherein the control circuit controls the switch based on a voltage across the resistor. In general, another aspect disclosed features an apparatus, comprising: a battery; a resistive load; a switch; a resistor; an inductor; and a control circuit; wherein the switch, the resistor, and the inductor are coupled in series between the battery and the resistive load; and wherein the control circuit controls the switch based on a voltage across the resistor.