topic I2C bus buffer - PCA9600 in Other NXP Products https://community.nxp.com/t5/Other-NXP-Products/I2C-bus-buffer-PCA9600/m-p/1092429#M9132 <HTML><HEAD></HEAD><BODY><P>Hello community,</P><P></P><P>I am designing a board with PCA9600 chip and in the typical usecase, the bus on master side (SX and SY) will be polarized at 3.3V while PCA9600 VCC pin is not supplied,&nbsp;like RX, TX, RY, TY.</P><P>Do you think it will create a problem like power supplying PCA9600 chip from SX pin ?</P><P>Or is it acceptable ?</P><P>There won't be any communication while the chip is not supplied but just polarization.</P><P></P><P>Thank you for your answer.</P><P></P><P>Best regards,</P><P></P><P>NP</P></BODY></HTML> Thu, 25 Jun 2020 22:11:17 GMT nipopetru 2020-06-25T22:11:17Z I2C bus buffer - PCA9600 https://community.nxp.com/t5/Other-NXP-Products/I2C-bus-buffer-PCA9600/m-p/1092429#M9132 <HTML><HEAD></HEAD><BODY><P>Hello community,</P><P></P><P>I am designing a board with PCA9600 chip and in the typical usecase, the bus on master side (SX and SY) will be polarized at 3.3V while PCA9600 VCC pin is not supplied,&nbsp;like RX, TX, RY, TY.</P><P>Do you think it will create a problem like power supplying PCA9600 chip from SX pin ?</P><P>Or is it acceptable ?</P><P>There won't be any communication while the chip is not supplied but just polarization.</P><P></P><P>Thank you for your answer.</P><P></P><P>Best regards,</P><P></P><P>NP</P></BODY></HTML> Thu, 25 Jun 2020 22:11:17 GMT https://community.nxp.com/t5/Other-NXP-Products/I2C-bus-buffer-PCA9600/m-p/1092429#M9132 nipopetru 2020-06-25T22:11:17Z Re: I2C bus buffer - PCA9600 https://community.nxp.com/t5/Other-NXP-Products/I2C-bus-buffer-PCA9600/m-p/1092430#M9133 <HTML><HEAD></HEAD><BODY><P>Hi</P><P>No problem for your application.</P></BODY></HTML> Mon, 29 Jun 2020 00:53:41 GMT https://community.nxp.com/t5/Other-NXP-Products/I2C-bus-buffer-PCA9600/m-p/1092430#M9133 guoweisun 2020-06-29T00:53:41Z