充电线microUSB接口过热保护产品STP SPCB 350LR

<div style="font: 19px/27px 宋体; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; background-color: rgb(255, 255, 255); -webkit-text-stroke-width: 0px;">您好，</div><div style="font: 19px/27px 宋体; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; background-color: rgb(255, 255, 255); -webkit-text-stroke-width: 0px;">我是苏州昊芯电子技术有限公司深圳办事处的小吴。</div><div style="font: 19px/27px 宋体; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; background-color: rgb(255, 255, 255); -webkit-text-stroke-width: 0px;">冒昧打扰是想向您推荐充电线microUSB接口过热保护产品STP。</div><div style="font: 19px/27px 宋体; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; background-color: rgb(255, 255, 255); -webkit-text-stroke-width: 0px;">附件是STP产品资料，请查收。</div><div style="font: 19px/27px 宋体; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; background-color: rgb(255, 255, 255); -webkit-text-stroke-width: 0px;">市面上有另外两种方案：</div><div style="font: 19px/27px 宋体; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; background-color: rgb(255, 255, 255); -webkit-text-stroke-width: 0px;">a：microUSB接口第4PIN,原来是悬空未用的，这种方案用它做检测脚，当检测到接口处温度过高、电流过大时，电源输出端减小电流。</div><div style="font: 19px/27px 宋体; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; background-color: rgb(255, 255, 255); -webkit-text-stroke-width: 0px;">和a方案相比，STP可以省去一根线，以及控制板上元件的成本，更重要的是，a方案电源和充电线必须配套使用，在生活中很不方便，很容易失去他的意义。</div><div style="font: 19px/27px 宋体; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; background-color: rgb(255, 255, 255); -webkit-text-stroke-width: 0px;">b:在microUSB接口电源端串一个温度开关。</div><div style="font: 19px/27px 宋体; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; background-color: rgb(255, 255, 255); -webkit-text-stroke-width: 0px;">和b方案相比，b方案只是一个单纯的过温保护，没有短路过流保护功能。温度开关串在线材上面焊接成本高，牢固性也不是很好。</div><div style="font: 19px/27px 宋体; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; background-color: rgb(255, 255, 255); -webkit-text-stroke-width: 0px;">综合比较，STP还是最佳方案。</div><div style="font: 19px/27px 宋体; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; background-color: rgb(255, 255, 255); -webkit-text-stroke-width: 0px;">
</div><div style="font: 19px/27px 宋体; color: rgb(0, 0, 0); text-transform: none; text-indent: 0px; letter-spacing: normal; word-spacing: 0px; white-space: normal; background-color: rgb(255, 255, 255); -webkit-text-stroke-width: 0px;">专业代理销售PTC、FUSE、ESD、TCO等电子线路保护器件!www.--hxchip.com 137 1395 5850</div>