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STMicroelectronics Introduces New Certified USB-C Solution for STM32 Microcontrollers


The STM32 Microcontroller Stack is Fully Compliant with USB Type-C and Allows Rapid Introduction of New USB Technology


As electronics companies worldwide increasingly look to implement the new USB Type-C™ and Power Delivery (PD) technology, STMicroelectronics has released a certified embedded software solution based on its STM32 microcontrollers. The free STM32 USB-C and PD Middleware Stack is compliant with USB Type-C 1.2 and USB Power Delivery 2.0 specifications, enabling customers to rapidly deploy this new technology in their end-products, using the rich feature set of the STM32 ARM® Cortex®-M based microcontrollers.

Click for Larger Image - New Certified USB-C Solution for STM32 Microcontrollers The new firmware stack, X-CUBE-USB-PD, initially based on the STM32F0 entry level Cortex-M0 processor, allows designers to upgrade their old USB devices to provide significant benefits to their end users. USB-C together with Power Delivery technology provides a reversible connector, the ability to carry all necessary data (including video or proprietary protocols), as well as providing up to 100W of power to supply or charge equipment connected to the USB port.

“Our USB-C and Power Delivery stack is a perfect example of why the STM32 family has been so successful and sets the standard for embedded processing, from the smartest phones and tablets to the smallest Internet-of-Things applications,” said Daniel Colonna, Marketing Director, Microcontroller Division, STMicroelectronics. “It offers the world’s widest range of price/power/performance options for the de-facto industry-standard embedded-processor architecture, backed up by a comprehensive design ecosystem that includes no-cost software and low-cost development boards that minimize time to market and maximize ROI.”

An important benefit in terms of cost and PCB footprint is that solutions using the STM32 with the firmware stack require only a very simple Analog Front End comprising a few passive components, because it fully exploits integral STM32 features such as comparators, ADCs, timers, and Direct Memory Access.

Key Features and Benefits of the TCPP03-M20 USB-C Dual Role Power IC include

  • Externally programmable VBUS OVP (over voltage protection) and OCP (over current protection) for provider and consumer power paths with fast turn-off
  • Two integrated N-MOSFETs gate drivers for VBUS OVP and OCP
  • Very low power in “unattached” state during DRP toggling: 3 µA max. at 125 °C
  • Compliant with PPS (programmable power supply) for fast charging, up to 100 W
  • Integrated discharge on VBUS and VCONN
  • VBUS current sense and amplifier with analog output
  • ESD protection for CC1, CC2, compliant with IEC 61000-4-2 Level 4 (±8 kV contact discharge, ±15 kV air discharge)
  • VCONN OCP (100mW max), OVP (6V max)
  • Over voltage protection on CC lines against short-to-VBUS
  • Over temperature protection (150 °C typ.)
  • Integrated “Dead Battery” management
  • I²C communication, with two I²C addresses available
  • Junction temperature from -40 °C to 125 °C
  • Compliant with USB-C power delivery standard 3.1, standard power range (SPR), up to 100 W

For more information on the TCPP03-M20 USB-C Dual Role Power IC, visit the ST Website at STMicroelectronics TCPP03-M20 product page

STM32 is a registered and/or unregistered trademark of STMicroelectronics International NV or its affiliates in the EU and/or elsewhere. In particular, STM32 is registered in the US Patent and Trademark Office.

The company's Web site address is www.st.com.
[Reprinted with kind permission from STMicroelectronics - Release Date 8th November, 2021]