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寻合适的USB 信号(D-,D+)开关ic

Other Parts Discussed in Thread: HD3SS6126

Dear sir:

我司目前想做一款产品,请帮忙寻找合适的产品,谢谢

描述如下:J1端口(USB连接PC),J2端口(USB连接手机),板内U3(存储U盘)

想实现功能:

1.J1上电,J2悬空,则:
     Q4不通,U1.10为高,U2.10为高,J1访问本地U3;

2.J1上电,J2接入设备,则:
     Q4导通,U1.10为低,U2.10为高,J1访问J2,同时J1向J2充电;

3.J1悬空,J2接入设备,则:
     J2访问本地U3