DLPS037H October 2014 – June 2024 DLPC900
PRODUCTION DATA
With the exception of USB_DAT, the DLPC900 does not support any other 5V tolerant I/O. However, I2C typically have 5V requirements and special measures must be taken to support them. It is recommended that a 5V to 3.3V level shifter be used.
It is strongly recommended that a 0.5W external series resistance (of 22Ω) to limit the potential impact of a continuous short circuit between either USB D+ or USB D– to either VBUS, GND, the other data line, or the cable. For additional protection, also add an optional 200mA Schottky diode from USB_DAT to VDD33.