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STMicroelectronics STEVAL-USBPD27S 27W AC-DC Adapter Reference Design

STMicroelectronics STEVAL-USBPD27S 27W AC-DC Adapter Reference Design works as a USB Power Delivery (PD) provider with a single USB Type-C™ port. This supports a programmable power supply (PPS) and features adaptive synchronous rectification. Thanks to a minimal bill of materials, the design results in compact and cost-effective adapters that are easy to design. The STEVAL-USBPD27S from STMicroelectronics accepts a wide range of input voltage and delivers two well-regulated fixed PDOs and two APDOs. The adapter meets energy-saving recommendations (EU CoC – Tier 2 ver. 5 and DOE Level VI), ensuring <40mW of no-load power consumption. The system has been tested to verify conducted noise emissions and compliance with EN 55022 (Class B) using standard average detectors at a half and full load with an input voltage of 115VAC and 230VAC.

Features

  • USB PD 3.0 compliant
  • 90VAC to 264VAC (line frequency: 45Hz to 65Hz) universal input mains voltage range 
  • PD output
    • 2x fixed PDOs (5V at 5A, 9V at 3A)
    • 2x APDOs (PPS) (5V Prog at 5A, 9V Prog at 3A)
  • 20mV step for CV, 50mA step for CC PPS mode
  • 27W output power
  • Minimum 4-point average efficiency in active mode compliant with CoC ver. 5
    • Tier 2 and DOE Level VI requirement
  • <40mW no-load standby power
  • Adaptive synchronous rectification controlled by onboard MCU
  • Load feed-forward
  • OVP, UVP, OC, short-circuit protections
  • ESD protection exceeding IEC 61000-4-2 Level 4 on CC lines
  • Immunity against surge current on VBUS pin-up to 35A in an 8/20µs waveform, according to IEC 61000-4-5
  • Compliant with EN 55022 (Class B) standard for conducted noise emissions
  • Compact form factor
    • 59mm x 35mm x 21mm dimensions
    • 10.2W/in3 power density
  • RoHS compliant

Block Diagram

Block Diagram - STMicroelectronics STEVAL-USBPD27S 27W AC-DC Adapter Reference Design

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Opublikowano: 2020-11-16 | Zaktualizowano: 2024-12-30