This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

TPS62736接上负载,输出电压变低的问题

Other Parts Discussed in Thread: TPS62736

tps62736输入电压为锂电池电压,输出电压设置为3.3v

电路图如图所示:

当输出不接负载时,用万用表测得输出电压是3.3v,当接上一个蓝牙模块时,在用万用表测量输出电压测量结果为2点几伏。

tps62736的输出电流是50ma。

蓝牙模块板载3.3V稳压芯片,输入电压直流3.6V-6V;

未配对时,电流约30mA(因LED灯闪烁,电流处于变化状态);

配对成功后,电流大约10mA。

为什么接上蓝牙模块时电压会降低呀?