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PDStack middleware library 3.20.1 Overview Features Quick start More information
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PDStack middleware library 3.20.1

Overview

The PDStack middleware implements state machines defined in the Universal Serial Bus Type-C Cable and Connector Specification and the Universal Serial Bus Power Delivery Specification. The middleware provides a set of Device Policy Manager (DPM) APIs through which the application can initialize, monitor, and configure the middleware operation.

The PDStack middleware is released in the form of pre-compiled libraries. The following library variants with a different feature set to help limit the memory footprint of the stack in applications are released.

  1. pmg1_pd3_snk_lite – Supports USB Type-C sink operation and USB PD Revision 3.1 messaging.
  2. pmg1_pd2_snk_lite – Supports USB Type-C sink operation and USB PD Revision 2.0 messaging. Using this library reduces the flash (code) memory usage by the application.
  3. pmg1_pd3_drp – Supports USB Type-C dual-role operation and USB PD Revision 3.1 messaging. This library can be used in any Power Delivery (PD)application.
  4. pmg1_pd3_snk_epr – Supports USB Type-C sink Extended Power Range (EPR) operation and USB PD Revision 3.1 messaging.
  5. pmg1_pd3_drp_epr - Supports USB Type-C dual-role EPR operation and USB PD Revision 3.1 messaging. This library can be used in any Power Delivery application that requires EPR feature support.
  6. pmg1_pd3_drp_epr_cfg - Supports USB Type-C dual role EPR operation, USB PD Revision 3.1 messaging and configurability of stack parameters through the EZ-PD™ Configuration Utility.
  7. wlc1_pd3_snk - Supports USB Type-C sink operation and USB PD Revision 3.1 messaging. This library can be used in any Power Delivery WLC1 application.

Features

  1. Supports Type-C port configuration and connection detection in the sink, source, and dual-role.
  2. Supports EPR in source and sink roles.
  3. Supports USB PD communication with the following features:
    • USB PD revision 3.1 compliance
    • USB PD revision 2.0 compliance (backward compatibility)
    • Power contract negotiation in sink and source roles
    • Ability to respond to SOP and SOP messages to support designs with a captive USB-C cable
  4. Supports configuration of the port roles and responses through the EZ-PD™ Configurator.
  5. Supports DPM APIs to initialize, configure, monitor, and control the port operation and to send/receive USB PD messages associated with alternate mode discovery, authentication, firmware update, etc.

Quick start

More information

For more information, see the following resources:

© 2021-2024, Cypress Semiconductor Corporation (an Infineon company) or an affiliate of Cypress Semiconductor Corporation.