The power delivery circuit may have a plurality of switches in series, and the detectors measure voltages at nodes of only a subset of the switches.
所述功率输送电路可以具有多个串联开关，并且所述检测器测量所述开关的仅仅一个子集中的节点处的电压。
The detectors may measure voltages at nodes of transistor switches of the power delivery circuit, particularly at the gates.
所述检测器可以测量所述功率输送电路的晶体管开关的节点处的电压，尤其是栅极处的电压。
The detectors in one example measure switch voltages and the estimation circuit estimates power delivered to the load according to a switch voltage and impedance between two nodes of the switch.
在一个实例中，所述检测器测量开关电压，以及所述估计电路根据开关电压和该开关的两个节点之间的阻抗来估计输送到负载的功率。
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