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充電線microUSB接口過熱保護(hù)產(chǎn)品STP SPCB 350LR
<div style="font: 19px/27px 宋體; 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 宋體; 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;">我是蘇州昊芯電子技術(shù)有限公司深圳辦事處的小吳。</div><div style="font: 19px/27px 宋體; 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;">冒昧打擾是想向您推薦充電線microUSB接口過熱保護(hù)產(chǎn)品STP。</div><div style="font: 19px/27px 宋體; 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產(chǎn)品資料,請查收。</div><div style="font: 19px/27px 宋體; 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;">市面上有另外兩種方案:</div><div style="font: 19px/27px 宋體; 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,原來是懸空未用的,這種方案用它做檢測腳,當(dāng)檢測到接口處溫度過高、電流過大時,電源輸出端減小電流。</div><div style="font: 19px/27px 宋體; 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可以省去一根線,以及控制板上元件的成本,更重要的是,a方案電源和充電線必須配套使用,在生活中很不方便,很容易失去他的意義。</div><div style="font: 19px/27px 宋體; 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接口電源端串一個溫度開關(guān)。</div><div style="font: 19px/27px 宋體; 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方案只是一個單純的過溫保護(hù),沒有短路過流保護(hù)功能。溫度開關(guān)串在線材上面焊接成本高,牢固性也不是很好。</div><div style="font: 19px/27px 宋體; 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;">綜合比較,STP還是最佳方案。</div><div style="font: 19px/27px 宋體; 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;">