USB Type-C Power Input (J7)

The J7 Type-C connector accepts a 5 VDC level and is capable of delivering a maximum of 3 A into the expansion board. J7 pins A4, B4, A9 and B9, are +VBUS; J7 pins A1, B1, A12, B12 are ground.

The 4 positive voltage input lines are common on the expansion board and become +VBUS_USB3, which is conditioned to become +VBUS going into the power mux.

+VBUS is also connected to the module at J3 pin 1 as the USB adapter connection sense line.

When powering the expansion board from a USB PD charger/adaptor only capable of 5 volt output, workloads executing must not exceed a total current consumption of 3.0 amps, including any mezzanine boards and peripheral devices attached to it.

When powering the expansion board from a USB PD charger/adaptor capable of 9 volt output, the BIOS automatically negotiates PD output voltage from 5 volt to 9 volt operation.

Electrical Specifications

Source Item Min Typ Max Units Conditions
Type-C Connector VBUS1 4.75 5 5.25 V

At VBUS pin of Type-C connector

IBUS1 3.0   3.5 A  
VBUS2   9 12.4 V At VBUS pin of Type-C connector
IBUS2 1.5   3.5 A  

 

The USB power system, OTG, and interface details are covered in USB Type-C with OTG (J7)

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