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Programmable Buck Converter for USB Power Delivery

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Product overview


The STPD01 is a programmable synchronous buck converter suitable to provide power supply in applications following USB power delivery specifications.

The device provides those voltages required by USB power delivery systems as stated in USB PD 3.0 spec up to 60 W output power (20 V, 3 A).

The different levels of output voltage and current limitation can be set dynamically through I2C interface.

Overvoltage, overcurrent and overtemperature protections are included in the device.

A programmable watchdog improves the robustness and the safety of the complete system.

Finally, the device is available in QFN24L 3 x 4 mm2 .

  • All features

    • Input voltage range 6.0 V to 26.4 V
    • Internal power MOS synch rectification
    • Internal compensation
    • I2C bus controlled
    • Vout settings: 3 V to 20 V with 20 mV (min.) steps
    • Slew rate control (max. 30 mV/us)
    • Cable drop compensation
    • Iout settings: 0.1 A to 3 A with 50 mA steps
    • Embedded discharge function
    • Two programmable switching frequencies with optional clock dithering
    • Watchdog timer set by I2C
    • Configurable interrupt pin
    • Soft-start
    • Power-on pin
    • Programmable constant current limit
    • OVP, IPEAK and overtemperature protections
    • Short-circuit protection
    • Undervoltage lockout
    • Available in QFN24L 3 x 4 package


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STMicroelectronics - STPD01

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
QFN-24L P 0.4 mm Industrial Ecopack2



QFN-24L P 0.4 mm

Material Declaration**:


Marketing Status



QFN-24L P 0.4 mm



RoHS Compliance Grade


(**) The Material Declaration forms available on 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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