I’m using an LPC4370 in a device which is self powered and is used only as an USB device.
At the moment USB pins are directly connected to the USB external line, so USB0_VBUS has a 5V voltage when USB is PLUGGED.
I saw that in my case a voltage divider is recommended because there could be the possibility to have 5V on USB0_VBUS pin when the device is turned off.
In your opinion/experiences is it really necessary? At the moment I haven’t broken USB port yet.
Could it depend on device to device and I’m just lucky now?
Should I review the design?