FIELD: electrical communication engineering.
SUBSTANCE: invention relates to communication equipment and is intended for wireless charging. Proposed method comprises stages described below terminal receives threshold voltage supported by power supply control chip, and multiple output voltages supported by wireless charging device, and upper limit values of output current; terminal determines a voltage conversion coefficient according to said plurality of output voltages and threshold voltage and sends a charging request to the wireless charging device, wherein the charging request comprises the requested voltage and the requested current, wherein the requested voltage is the maximum output voltage, and the requested current does not exceed the upper limit value of the output current corresponding to the requested voltage; terminal generates a charging signal when exciting a wireless signal at the output of the wireless charging device and performs, according to the voltage conversion coefficient and the current conversion coefficient, converting voltage and current of the charging signal to obtain an input signal of the power control microcircuit, wherein the current conversion coefficient is a reverse value of the voltage conversion coefficient.
EFFECT: higher efficiency of charging under conditions of limitations imposed by receiving coil and power supply control microcircuit in the terminal.
8 cl, 10 dwg
