Design Win

USB Type-C Power Delivery Sink expansion board based on TCPP01-M12 for STM32 Nucleo

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Product overview


The X-NUCLEO-SNK1M1 expansion board allows evaluating the features of TCPP01-M12 and the USB Type-C® overvoltage protection for VBUS and CC lines suitable for Sink applications.

The expansion board is designed to be stacked on top of any STM32 Nucleo-64 development board exploiting the characteristics of the USB Type-C® and Power Delivery (UCPD) peripheral embedded in their microcontrollers.

It can also be stacked on other STM32 Nucleo development boards not supporting the UCPD peripheral to demonstrate the USB Type-C® basic operations (attach, detach and power supply current capability recognition).

The X-NUCLEO-SNK1M1 provides an effective demonstration of the dead battery operation, thanks to the integrated ST715PU33R LDO linear regulator that supplies the connected STM32 Nucleo development board when a Source is attached via a USB Type-C® connector.

The X-NUCLEO-SNK1M1 is compliant with the latest USB Type-C® and Power Delivery specifications and is also USB-IF certified as a 100 W solution supporting Programmable Power Supply (PPS) function.

The companion software package (X-CUBE-TCPP) contains the application examples for development boards embedding UCPD-based microcontrollers (NUCLEO-G071RB, NUCLEO-G474RE and NUCLEO-G0B1RE) and for non-UCPD ones (NUCLEO-L412RB-P).

  • All features

    • On-board TCPP01-M12 protection for USB Type-C® and PD Sink applications
    • Compliant with the latest USB Type-C® and Power Delivery specification, including the Programmable Power Supply (PPS) feature
    • USB-IF certified (Test ID certification: 5205)
    • 100 W-rated solution
    • 6 V overvoltage protection (OVP) on CC lines against short-to-VBUS when the connector is unplugged
    • Up to 22 V adjustable overvoltage protection (OVP) on VBUS line against charger failure
    • Surge protection (8/20 µs) and system-level ESD protection on VBUS
    • Common mode filter and ESD protection on USB 2.0 High Speed data lines
    • System level ESD protection on CC lines as per IEC61000-4-2 level 4 (±8 kV contact discharge)
    • Low power mode for battery operation allowing zero current consumption when no cable is attached
    • Integrated dead battery management when the device battery is fully depleted
    • Overtemperature protection (OTP)
    • RoHS compliant

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Quality and Reliability

Part Number Marketing Status RoHS Compliance Grade Material Declaration**




Material Declaration**:

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RoHS Compliance Grade


(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors