USB-C overvoltage and overcurrent protection for STM32
USB-C applications require overvoltage protection on the VBUS connector pin to ensure safety in the event of a defective charger or cable. When used for Source or Dual Role, an overcurrent protection is also required. USB-C connectors feature a smaller pitch between connector pins leading to potential short-to-VBUS issues, thus an overvoltage protection is also required for CC lines.
TCPP products offer a cost-optimized solution to integrate these features as companion chips for STM32 MCUs and MPUs in compliance with USB PD3.1 Standard Power Range (up to 100W) and PPS (Programmable Power Supply) specifications. Expansion boards for STM32 Nucleo boards are available for sink, source and Dual Role applications as well as example code (X-CUBE-TCPP).
Key features of TCPP03-M20
- Enables safe and easy migration from USB Type-A or B to USB Type-C
- Externally adjustable overvoltage and overcurrent protection on VBUS
- 6 V short to VBUS protection on the configuration channel pins
- Integrated charge pump for external N-MOSFET gate control
- I2C communication with STM32 MCUs and MPUs
- ±8kV ESD protection (IEC61000-4-2 Level 4) on CC lines
- For Dual Role applications, TCPP03-M20 features 3 power modes for an extended battery lifetime during DRP toggling
How to test & prototype with TCPP03-M20
Choose a development kit to start testing the capabilities and features of TCPP products:
X-NUCLEO-DRP1M1 expansion board
USB Type-C Power Delivery Dual Role Power (DRP) and Dual Role Data (DRD) expansion board based on TCPP03-M20 for STM32 Nucleo.
X-NUCLEO-SNK1M1 expansion board
USB Type-C Power Delivery Sink expansion board based on TCPP01-M12 for STM32 Nucleo.
USB Type-C expansion software for STM32Cube.
USB Type-C® Power Delivery using STM32 MCUs and MPUs (AN5225)
Guidelines for using USB Type-C® Power Delivery with STM32 MCUs and MPUs in conjunction with the TCPP01-M12 protection circuit. Some basic concepts of the two new USB Type-C® and USB Power Delivery standards are also introduced.
Learn how to make your USB Type-C designs more robust and cost-effective
Discover how to design a cost-effective hardware application based on STM32G0 – the first MCU in the world to integrate a power delivery controller – associated with a Type-C Port Protection (TCPP) device designed in ST's IEEE Milestone award winning Bipolar-CMOS-DMOS (BCD) technology.
- What's new with the USB-C connector
- How to take advantage of system partitioning to design cost-effective USB-C applications
- Design tips for protection requirements for sink, source, DRP applications
- How ST's Type-C Port Protection (TCPP) portfolio reduces system cost, size and power consumption
- How to implement TCPP in your system based on schematic examples
- How to start USB-C development with X-NUCLEO expansion boards