• 07/14/2017
  • Public Content
Contents

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
V
BUS1
4.75
5
5.25
V
At V
BUS
pin of Type-C connector
I
BUS1
3.0
 
3.5
A
 
V
BUS2
 
9
12.4
V
At V
BUS
pin of Type-C connector
I
BUS2
1.5
 
3.5
A
 
 
The USB power system, OTG, and interface details are covered in USB Type-C with OTG (J7)

Product and Performance Information

1

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Notice revision #20110804