1
Getting started
1.1
Overview
The
•
Supports all USB Type-C™ Power Delivery SPR profiles up to 100 W
•
Manage source role data/power configuration
•
Compliant with USB 2.0 dual role data according to STM32 USB data capability
•
8/20 μs surges and overcurrent protections, and discharge for V
BUS
•
Short to V
BUS
protection for configuration channel pins (CC1 and CC2)
•
ESD protection (IEC61000-4-2 level 4 ± 8 kV contact discharge) for CC1, CC2, D+, and D-
•
Overvoltage and overcurrent protections, and discharge for V
CONN
•
Common mode filter on D+/D- data lines
•
Two power modes to optimize the current consumption
•
Compliant with programmable power supplies (PPS)
•
Free comprehensive development firmware library
•
Compliant with STM32 Nucleo-64 boards featuring an STM32 with UCPD feature for Power Delivery and
without UCPD feature for a 5 V solution only
The
provides an interface among three major blocks for the USB Type-C™ Power Delivery
source:
•
USB Type-C™ connector;
•
the Power Delivery controller embedded in the STM32 (UCPD) on the
development board;
•
the power supply.
It also provides USB 2.0 data lines interface connection to the
MCU.
The BoM is optimized without compromising the protections for:
•
V
BUS
line: overcurrent and surge protections;
•
CC lines: overvoltage, overcurrent, and ESD protections;
•
data lines: ESD protection and EMI filtering.
As required by the Power Delivery protocol, the
features:
•
CC lines switch matrix for V
CONN
;
•
V
BUS
discharge;
•
V
CONN
discharge.
Fault mode report and two optimized power modes are also available.
All these features are managed through I²C communication.
The V
BUS
current analog readout is also possible when the STM32 ADC is connected to the
differential amplifier output.
The following hardware configurations are possible depending on the STM32 UCPD peripheral:
UM2973
Getting started
UM2973
-
Rev 1
page 2/25
