Contents
UM2191
2/55
DocID030479 Rev 2
Contents
1
USB Type-C and Power Delivery .................................................... 6
1.1
Overview ........................................................................................... 6
1.2
Main characteristics .......................................................................... 6
1.3
USB Type-
C™ pin map ..................................................................... 7
1.4
Port configurations ............................................................................ 9
1.4.1
Downstream Facing Port (DFP) ......................................................... 9
1.4.2
Upstream Facing Port (UFP) .............................................................. 9
1.4.3
Source or provider .............................................................................. 9
1.4.4
Sink or consumer ................................................................................ 9
1.4.5
Dual Role Power (DRP)...................................................................... 9
1.5
USB-C PD architecture ..................................................................... 9
1.5.1
Device Policy Manager (DPM) ......................................................... 10
1.5.2
Policy Engine (PE) ............................................................................ 10
1.5.3
Protocol Layer (PRL) ........................................................................ 10
1.5.4
Physical layer (PHY) ......................................................................... 10
1.6
CC pins: port termination characteristics ......................................... 11
1.7
Power options ................................................................................. 11
1.8
Cable attachment and detachment detection and orientation ......... 12
1.9
Power negotiation ........................................................................... 13
1.10
Full-featured Type-
C™ cable and V
CONN
supply ............................. 14
1.11
Alternate modes and billboard device class .................................... 15
2
System architecture ...................................................................... 17
2.1
System block scheme ..................................................................... 19
2.2
NUCLEO-F072RB STM32 Nucleo board ........................................ 19
2.3
P-NUCLEO-USB002 expansion board ............................................ 21
2.3.1
P-NUCLEO-USB002 expansion board: USB Type-C connectors,
voltage and current sense stage ...................................................................... 24
2.3.2
P-NUCLEO-USB002 expansion board: STUSB1602 USB Type-C
controller 26
2.3.3
P-NUCLEO-USB002 expansion board: V
CONN
switch ...................... 28
2.3.4
P-NUCLEO-USB002 expansion board: VBUS management........... 30
2.3.5
P-NUCLEO-USB002 expansion board: local power management
stage
31
2.3.6
P-NUCLEO-USB002 expansion board: STSAFE secure device ..... 32
2.3.7
P-NUCLEO-USB002 expansion board: USB2.0 .............................. 33
2.3.8
P-NUCLEO-USB002 expansion board: ESD protections ................ 34