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22 天
普通5V电源电路,如何设计限流?
如何设定BL2554限流开关芯片的输出电流 在BL2554芯片的基本电路特性中,限流功能主要是通过设置调节Pin 3引脚ISET的电阻阻值来实现;具体的对应关系 ...
21ic
26 天
简单音频电平指示器使用LM3915
LM3915 IC引脚 LM3915 IC的引脚如下图所示 引脚LED(10 - 18) &引脚1 -将LED的阴极部分连接到IC引脚。 PIN VS/GND将电源的接地引脚连接到IC的接地引脚 PIN VCC IC的VCC引脚将源电压连接到该引脚。最大工作电压25V。 RLO分压器低电平输入。 SIG模拟信号输入引脚,根据增益参数 ...
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