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STEVAL-USBPD27S

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Compact 27W USB Type-C? Power Delivery 3.1 with PPS adapter reference design

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$93.10
Parameter NameParameter Value
Operating RangeIndustrial
Target ApplicationAC-DC Topologies
Core ProductSTCH03, STM32G071KB, STD7N65M6, TCPP01-M2
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeNot Applicable
ROHS Compliance GradeEcopack2
GradeIndustrial
Package NameCARD

The STEVAL-USBPD27S 27 W AC-DC adapter reference design works as USB Power Delivery Provider with a single USB Type-C port supporting Programmable Power Supply (PPS) and featuring adaptive synchronous rectification. Thanks to a minimal bill of materials, it allows users to easily design compact and cost-effective adapters.


The reference design accepts a wide range of input voltage and delivers two well regulated fixed PDOs (5V@5A, 9V@3A) and two APDOs (5VProg@5A and 9VProg@3A), finely adjusted to the advertised voltage range (Programmable Power Supply or PPS), thus managing the VCONN, as requested by the USB Power Delivery specification.


The adapter meets the most stringent energy saving recommendations (EU CoC – Tier 2 ver. 5 and DOE Level VI) ensuring < 40 mW of no load power consumption. All PDOs are compliant with CoC ver. 5 – Tier 2 and DOE Level VI requirements except the 9VProg@3A APDO, guaranteeing the compliance with the minimum four-point average efficiency in active mode.


The system has been tested to verify conducted noise emissions and compliance with the EN55022 (Class B) using standard average detectors, at half and full load with input voltage of 115 VAC and 230 VAC.

Key features
  • Certified USB Power Delivery 3.1 Power Brick (TID: 5445)
  • Universal input mains voltage range: 90 VAC to 264 VAC (line frequency: 45 Hz to 65 Hz)
  • PD Output
    • Two fixed PDOs: 5V@5A, 9V@3A
    • Two APDOs (PPS): 5VProg@5A, 9VProg@3A
  • PPS Mode: 20 mV step for CV, 50 mA step for CC
  • Output Power: 27 W
  • Minimum four-point average efficiency in active mode compliant with CoC ver. 5 – Tier 2 and DOE Level VI requirement
  • < 40 mW no-load standby power
  • Adaptive Synchronous Rectification controlled by on-board MCU
  • Load feed-forward
  • OVP, UVP, OC, short-circuit protections
  • ESD Protection exceeding IEC61000-4-2 Level 4 on CC lines
  • Immunity against surge current on VBUS pin up to 35 A in a 8/20 µs waveform, according to IEC61000-4-5
  • Compliant with EN55022 (Class B) standard for conducted noise emissions
  • Compact form factor:
    • 59x35x21mm dimensions
    • 10.2 W/inch3 power density
  • RoHS compliant
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