I checked the datasheet for the PCA9517. It stated that the PCA9517 is 5V tolerant.
The PCA9517 is 5 V tolerant, so it does not require any additional circuitry to translate
between 0.9 V to 5.5 V bus voltages and 2.7 V to 5.5 V bus voltages.
If I want to translate 3.3V to 5V I2C. Can I feed 5V to EN, VCCA and VCCB? instead of having two-level of voltages feed into VCCA and VCCB?
diagram attached for illustration.
Thank you.
Best regards,
Hi
EN is pull up to VCCB internal of IC,you can feed VCCB/EN as 3.3V SDAB/SCLB pull up to VCCB,and SDAA/SCLA pull up to VCCA 5V.