| 摘要 |
<p>A power distribution circuit for use in a personal telecommunications device comprises a switched mode power supply (1) configured to convert an input voltage and current from an energy source into an output voltage (vout) and current, a plurality of series-connected charge storage components (3a, 3b) arranged to be charged by the output voltage and a charge balancing circuit (4) configured to substantially equalise voltages across each of the charge storage components, wherein the charge balancing circuit comprises a charge pump.</p> |
