An electronic device, comprising: a plurality of power amplifiers (841, 843, 845; 931a, 931b; 1011, 1013, 1015) configured to amplify a transmission signal; a battery configured to provide a bias voltage to at least one power amplifier of the plurality of power amplifiers; a processor configured to: determine the at least one power amplifier of the plurality of power amplifiers to which the bias voltage is to be supplied, based on a frequency band for transmitting the transmission signal or a wireless communication scheme selected to transmit the transmission signal; and obtain a maximum permissible current value according to the determined at least one power amplifier; and an overcurrent protection circuit (510; 911) configured to prevent overcurrent from flowing through the at least one power amplifier of the plurality of power amplifiers to which the bias voltage is to be supplied, wherein the overcurrent protection circuit (510; 911) comprises: a configurer configured to configure a reference current value, based on the obtained maximum permissible current value; a measurer configured to measure a bias current value due to the bias voltage; a comparator configured to compare the measured bias current value with the reference current value; and a controller configured to recognize overcurrent flowing through the determined at least one power amplifier and control provision of the bias voltage, based on a result of the comparison. a plurality of power amplifiers (841, 843, 845; 931a, 931b; 1011, 1013, 1015) configured to amplify a transmission signal; a battery configured to provide a bias voltage to at least one power amplifier of the plurality of power amplifiers; a processor configured to: determine the at least one power amplifier of the plurality of power amplifiers to which the bias voltage is to be supplied, based on a frequency band for transmitting the transmission signal or a wireless communication scheme selected to transmit the transmission signal; and obtain a maximum permissible current value according to the determined at least one power amplifier; and determine the at least one power amplifier of the plurality of power amplifiers to which the bias voltage is to be supplied, based on a frequency band for transmitting the transmission signal or a wireless communication scheme selected to transmit the transmission signal; and obtain a maximum permissible current value according to the determined at least one power amplifier; an overcurrent protection circuit (510; 911) configured to prevent overcurrent from flowing through the at least one power amplifier of the plurality of power amplifiers to which the bias voltage is to be supplied, wherein the overcurrent protection circuit (510; 911) comprises: a configurer configured to configure a reference current value, based on the obtained maximum permissible current value; a measurer configured to measure a bias current value due to the bias voltage; a comparator configured to compare the measured bias current value with the reference current value; and a controller configured to recognize overcurrent flowing through the determined at least one power amplifier and control provision of the bias voltage, based on a result of the comparison. a configurer configured to configure a reference current value, based on the obtained maximum permissible current value; a measurer configured to measure a bias current value due to the bias voltage; a comparator configured to compare the measured bias current value with the reference current value; and a controller configured to recognize overcurrent flowing through the determined at least one power amplifier and control provision of the bias voltage, based on a result of the comparison. <EOS>