Protouch2 GUI User Manual
2016 Microchip Technology Inc
Page 21
10.1.5.2
Additional features
10.1.5.2.1
Battery Charging:
USB2.0 Standard USB Port-Max 500mA
BC 1.2 Compliant Port-Max 1.5A
Most Devices Supported Mode-Max 2A
USB2.0 Standard USB Port-Max 500mA:
USB2.0 Standard USB Port-Max 500mA is the default battery charging method. This
also means battery charging is disabled and the device can draw only 500mA which is
the standard for a USB device.
BC 1.2 Compliant Port-Max 1.5A:
When there is no upstream VBUS, and consequently no USB host connected on the
upstream port, the downstream battery charging enabled ports will operate as BC 1.2
compliant Port-Max 1.5 A.
Most Devices supported Mode-Max 2A
When there is an upstream VBUS and an upstream connection, the downstream
battery charging enabled ports will operate as Most Devices supported Mode-Max
2A.
Battery Charging is supported for disabled port in USB57x4 Hubs and not supported
for disabled port USB253x/USB4604 hubs.
In HSIC SKUs (USB3X13), if a downstream port is HSIC enabled, Battery Charging
is not supported on that port.
10.2
Advanced Features
USB57X4: