PT8001是單通道單通道USB專用充電端口(DCP)(BC1.2)控制器。擁有自動檢測特性實時監控USB數據線電壓,并且自動在數據線上提供正確的電氣特性,來為下列專用充電配置提供兼容性充電:
1.分壓器1DCP,要求在D+和D-線路上施加2v和2.7v電壓
2.分壓器2DCP,要求在D+和D-線路上均施加2.7v電壓
3.BC1.2DCP,要求將D+線路短接至D-線路
4.中國電信標準YD/T1591-2009短接模式,要求將D+線路短接至D-線路
5.SamsungDCP,要求D+線路和D-線路上的電壓均為1.2V
功能特性
●單USB端口控制器
●工作電壓范圍4.5v至5.5v
●依照USB電池充電技術規格BC1.2,支持USBDCPD+線路短接至D-線路
●依照中國電信標準YD/T1591-2009,支持短接模式(支持D+線路短接至D-線路)
●支持在D+和D-線路上均施加2.7v電壓的USBDCP(或者是在D+線路上施加2v電壓),在D-線路上施加2.7v電壓的USBDCP)
●支持在D+和D-線路上施加1.2v電壓的USBDCP
●自動為連接的器件切換D+和D-線路連接
●采用SOT23-5封裝
應用領域
●車載USB電源充電器
●帶有USB端口的交流(AC)-直流(DC)適配器
●移動電源
●移動上網設備USB端口
●其他USB充電器
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