USB Type-C Power Delivery PHY and Protocol IC

PTN5100

PTN5100 is a single port USB Type-C Power Delivery (PD) PHY and Protocol IC that provides Type-C Configuration channel interface and USB PD Physical and Protocol layer functions to a System PD Port Policy Controller (Policy Engine and Device Policy Manager, Alternate mode controller). It complies with USB PD and Type-C specifications and delta updates of PD spec. This IC is targeted for a wide range of platforms (Standard Notebook PCs, Desktop PCs, Chromebooks, Tablets, Convertibles, Smart phones) and PC Accessories (e.g. Docks, Monitors, Cable adapters etc.) applications. PTN5100 is architected to deliver robust performance, compliant behavior, configurability and system implementation flexibility that are essential to tide over interoperability and compliance hurdles in the platform applications.

PTN5100 can support system realization of the following PD roles: (i) Provider (P) only, (ii) Provider/Consumer (P/C) (iii) Consumer only (C) (iv) Consumer/Provider (C/P). Further, it can be register programmed to operate in Type-C specific Upstream Facing Port (UFP), Downstream Facing Port (DFP) or Dual Role Port (DRP) role.

PTN5100 implements VCONN low RON switch with register programmable Forward Current protection feature. The VCON switch also provides Reverse current protection feature to detect reverse current flow into the system whenever (inductive or) charged cable is unplugged from the connector.

PTN5100 operates from platform power supply VDD, or it can also be powered from USB power VBUS directly, which is especially required for operation under Dead Battery (DB) condition and certain platform use cases. The host interface operates on VIO supply to facilitate interfacing to systems that use IO supply rail different from VDD supply rail.

It provides SPI/I2C interface for system host control/status update. The interface choice is pre- configured in NXP factory.

PTN5100 is available in a small footprint package option: HVQFN20 4 mm x 4 mm, 0.5 mm pitch.

Product Details

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Features

USB PD and Type-C Features

  • Complies with USB PD and USB Type-C specifications
  • Supports implementation of various system PD roles: P, P/C, C, C/P
  • Supports Type-C role configurability
  • Type-C role (DFP, UFP, DRP) is Non-Volatile Memory (NVM) and register programmable based on OEM platform requirements
  • Implements UFP role pull-down behavior to handle dead battery condition on battery-powered platforms
  • Supports register programmable and variable ‘Rp’ indication (for DRP/DFP usage and accessory detection)
  • Implements 'Rd' indication on CC pin (for device side implementation)
  • CC detection/indication scheme based on Type-C role
  • Indication of orientation detection via CC_ORIENT pin and status register(s)
  • Debug and audio accessory detection and indication in status register(s)
  • Cooperatively works under the control of policy controller MCU for power delivery negotiation and contract(s), alternate mode and VDM exchanges
  • Implements BMC (de) coding, 4B5B symbol (de) coding, CRC generation/checking, PD packet assembling/disassembling including preamble, SOP, EOP, Good CRC response, retries, hard and cable resets
  • PD PHY and protocol layer interface control and status update handled via SPI/I2C interface

SOP Configurability

  • Register programmable to generate and receive SOP, SOP', SOP'-debug, SOP", SOP"-debug'' in DFP/DRP (host use case)
  • Register programmable to receive and respond on SOP, SOP'-debug and SOP"-debug commands
  • Supports low RON VCONN switch with enable/disable (Hi-Z) support
  • Capable of maximum current delivery of 1 A over 2.7 V to -5.5 V
  • Supports register programmable forward current protection control
  • Supports register programmable reverse current protection

System Protection Features

  • Back current protection on all pins when PTN5100 is unpowered
  • CC1 and CC2 pins are 5.5 V tolerant
  • VBUS pin and VBUS power path MOSFET enable pins are 28 V tolerant

General Features

  • Delivers (active LOW enable) gate control signals for PMOS Power MOSFETs on VBUS source and sink power paths
  • Provides dedicated IO pin (CC_ORIENT) for indicating cable/plug orientation and IO pin (DBGACC_FOUND) for indicating debug accessory detection
  • Delivers up to 30 mA (max) for powering policy controller MCU
  • Supports SPI follower interface (SPI modes 0 and 3 supported) up to 30 MHz
  • Supports I2C target interface standard mode (100 kHz), fast mode (400 kHz) and fast mode plus (1 MHz)
  • I2C Device target address programmable up to 3 values
  • Supports 3.3 V or 1.8 V capable I2C-bus or SPI interface
    • Supports register access - device configuration, control and status/interrupt interfacing through Target I2C-bus interface
  • Power supplies - VDD (3.3 V ±10 %) or VBUS
    • Tolerant up to 28 V on VBUS and operational up to maximum of 25 V on VBUS
  • Operating temperature -20 °C to 85 °C
  • ESD 8 kV HBM, 1 kV CDM
  • Package: HVQFN20 4 mm x 4 mm, 0.5 mm pitch
  • PC platforms: notebook PCs, desktop PCs, ultrabooks, chromebooks
  • Tablets, 2:1 convertibles, smartphones and portable devices
  • PC accessories/peripherals: docking, mobile monitors, multi-function monitors, portable/external hard drives, cable adaptors, dongles and accessories, etc.

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