| 摘要 |
<p>The present invention discloses a voltage indicating circuit for a mobile phone battery, comprising: a battery (303), and further comprising a mobile phone baseband module (301) and a battery voltage detection module (302), wherein power input terminals of the mobile phone baseband module (301) and battery voltage detection module (302) are coupled with an anode of the battery (303), and a detection signal output terminal of the battery voltage detection module (302) is coupled with a communication terminal of the mobile phone baseband module (301); the battery voltage detection module (302) detects an output voltage of the anode of the battery (303) and outputs a mobile phone battery voltage detection signal to the mobile phone baseband module (301) through the detection signal output terminal; and the mobile phone baseband module (301) receives the mobile phone battery voltage detection signal through the communication terminal and indicates a voltage of the battery (303) according to the mobile phone battery voltage detection signal. With this voltage indicating circuit for a mobile phone battery, the current voltage value of the battery can be acquired without the continuous query of software, so as to reduce the burden of the software.</p> |
