Stm32g0 usb c and power delivery presentation
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STM32G0 The world's first USB-CTM & Power Delivery 3.0 MCU
Why use USB-CTM and Power Delivery technology ?
USB Type-CTM connectors enhance the user experience
? It's a 24-pin miniature and reversible connector. USB-C plug is the same on both sides ? Some pins can be repurposed to support proprietary protocols (Alternate Modes) ? Able to transmit 15W of power natively without USB PD protocol
To exchange more data faster with various protocols
? 2 separate USB data paths are available simultaneously: USB 2.0 + USB 3.1 (up to 10 Gbit/s) ? Display Port, HDMI, MHL, Thunderbolt are supported to carry video/audio signals ? Conventional I?C/SPI/UART/Ethernet interfaces can be "bridge" to USB-C
To get more power with a comprehensive and robust protocol
? USB Power Delivery protocol enables power negotiation (up to 100 W) ? Able to discover power capabilities and needs between two USB-CTM connected devices ? Enables advanced voltage and current negotiation to support fast charging ? USB PD is used to activate Alternate Modes or to carry Authentication messages
To protect your application and extend its functionalities
? Identify genuine chargers or accessories using USB PD authentication messages ? USB PD Alternate Modes and Vendor Defined Messages enable product differentiation. ? Secure firmware upgrade capability
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USB Power Delivery is a protocol!
To safely enhance user experience through innovation
To get more power in a robust and safe way! ? Enables advanced and higher voltage and current negotiation
(up to 100 W) ? Source and Sink establish power contracts that match their
power capabilities and needs (ex: technology of battery used, power budget allocation, number of ports, etc.) ? Supply voltage (Vbus) is fixed (5V, 9V, 15V, or 20V) or configurable (Programming Power Supply) ? Dual Role Power devices can swap power direction (ex: using a tablet to charge a notebook!)
To extend devices functionalities and create an unique differentiation ! ? Use of USB PD Structured Vendor Defined Messages (VDMs)
to extend functionalities (video output, authentication, etc.)
Mode of operation USB PD USB Type-C Current @ 3.0 A
Nominal voltage Configurable
5 V
Maximum current 5 A
3.0 A
Maximum power 100 W
15 W
USB Type-C Current @ 1.5 A
USB BC 1.2
Default USB Power
USB 3.2 USB 2.0
5 V
1.5 A
7.5 W
5 V
Up to 1.5 A
7.5 W
5 V
900 mA (x1) 1,500 mA (x2)
4.5 W 7.5 W
5 V
500 mA
2.5 W
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USB-C USB PD
TV/Monitor Sink / device
USB-C
USB PADM
USB3.1
Many combinations
AC power adapter or power hub Source only
Mouse Sink / UFP
USB-C USB2.0
SSD / Pen Drive Sink / device
USB-C USB2.0
USB hub / Docking PROV/HUB
Chromebook / Notebook / MacBook / Laptop / DRP / Host
USB-C
USB-C
USB PADM
USB2.0
USB-C Type-A
DP RJ485
USB PADM
USB2.0
USB3.1
HDM/I
VGA
USB3.1
Terminology Power roles
? Source/Provider: Provide Power ? Sink/Consumer: Consume power ? DRP: Dual Role Power (can be either Sink or Source)
Data roles
? DFP: Downstream Facing Port (usually a Host / HUB ports) ? UFP: Upstream Facing Port (usually a device) ? DRD: Dual-Role Data - typical of "on-the-go" ports
USB3.1
Low-end smartphone Sink / device
USB-C USB2.0
USB-C USB PD
High-end smartphone DRP/ HOST
USB-C
USB PADM
USB2.0
USB3.1
Power role and Data role can swap !
Roles can be dynamically swapped using USB PD
AM Alternate Mode capabilities enabled via USB PD Authentication Fast charging using PPS
Power Bank
DRP or 1 SRC / 1 SNK
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Be connected with STM32G0
The world's First conventional MCU with built-in USB-C and PD interfaces
? Harness to the innovative features of USB-CTM technology with a standard microcontroller.
? Get more "power" and support new usecases with USB Power Delivery
? Create differentiation features (authentication, fast charge, FW upgrade)
* UCPD stands for USB Type-C and Power Delivery Interface
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Smart integration
? UCPD is a new interface that supports:
USB Type-C connector management USB Power Delivery r3.0 communication
protocol
? First implementation in STM32G0 series
STM32G081 block diagram
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