STEVAL-USBPD27S STMICROELECTRONICS | Alldatasheet

Document overview

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Technical content

Features

  • USB Power Delivery 3.0 Compliant
  • Universal input mains voltage range: 90 V AC 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/inch 3 power density
  • RoHS compliant

Description

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 < 40mW 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. Compact 27W USB Type-C™ Power Delivery 3.0 with PPS adapter reference design STEVAL-USBPD27S Data brief DB4227 - Rev 2 - November 2020 For further information contact your local STMicroelectronics sales office.

1 Design overview

VCONN power paths and runs the adaptive synchronous rectification algorithm. The USB-PD 3.0 Middleware stack,coming from the STM32CubeG0 package, runs over the STM32G071KBU6N. controlling the adaptive synchronous rectification through its versatile peripherals and feature set. ESD protection higher than 30 kV on the VBUS. Figure 1. Block diagram

Revision history

Table 1. Document revision history 03-Nov-2020 1 Initial release. 06-Nov-2020 2 Updated cover image.