PTN5100BSMP

Controllers Overview

The PTN5100BSMP is a single-port USB Type-C Power Delivery PHY and Protocol IC manufactured by NXP USA Inc. It provides the physical and protocol layer functions for USB PD and Type-C interfaces, interfacing with a system policy controller via SPI or I2C. The device supports Provider (P), Consumer (C), and combined roles, including Upstream Facing Port (UFP) and Downstream Facing Port (DFP) configurations. It features a low RON VCONN switch capable of delivering up to 1 A between 2.7 V and 5.5 V, with programmable forward and reverse current protection. The IC operates from VDD or VBUS supplies, tolerates up to 28 V on VBUS pins, and functions within an operating temperature range of -20 °C to +85 °C.

Controllers Feature Summary

• Complies with USB PD and USB Type-C specifications, supporting configurable P, C, P/C, and C/P roles alongside UFP, DFP, and DRP port types.
• Integrates a low resistance VCONN switch with register-programmable forward and reverse current protection to ensure robust cable and system safety.
• Provides dedicated gate control signals for external PMOS power MOSFETs on VBUS source and sink paths, managed via policy controller commands.
• Includes comprehensive system protection features such as back-current protection when unpowered and high voltage tolerance on CC and VBUS pins.

Controllers Applications

• PC platforms including notebook PCs, desktop PCs, ultrabooks, and Chromebooks
• Tablets, 2-in-1 convertibles, smartphones, and portable devices
• PC accessories and peripherals such as docking stations, mobile monitors, and cable adapters

Controllers Procurement Notes

Verify the specific ordering part number PTN5100BSMP against the manufacturer's official documentation to confirm package type and interface configuration. Ensure that the selected variant matches the required host interface, as the factory pre-configures either SPI or I2C support. Confirm thermal pad soldering requirements for the HVQFN20 package to maintain proper electrical and thermal performance during integration.

Controllers Selection Notes

Select this component based on the required USB PD role implementation and the available host controller interface. Determine whether SPI or I2C communication is preferred, as the interface selection is fixed at the factory. Evaluate the need for autonomous operation versus MCU-controlled negotiation. Consider the power supply architecture, specifically if dead battery operation powered solely by VBUS is required for the target application design.

Controllers Part Context

The PTN5100 series serves as a specialized interface solution for implementing USB Type-C connectivity in embedded systems. It offloads the complex physical layer signaling and protocol handling from the main processor, allowing the system policy controller to focus on power management strategies. This separation enhances system flexibility and simplifies firmware development for compliance with evolving USB standards.

Controllers Replacement Considerations

PTN5100ABSMP is a compatible alternative within the same family. Verify that the interface configuration matches the system requirements, as the factory pre-configures either SPI or I2C support for each variant. Ensure pin compatibility and functional equivalence before substitution.

Controllers FAQ

How does the PTN5100 handle dead battery conditions?

The device can operate directly from the VBUS supply when the platform is in a dead battery state. In this mode, it draws power from VBUS to function, allowing the host platform to be powered or charged through USB PD even when internal batteries are depleted.

What protection features are included in the VCONN switch?

The integrated VCONN switch includes register-programmable Forward Current Protection (FCP) to monitor overcurrent conditions and Reverse Current Protection (RCP) to prevent reverse current flow into the system during cable unplugging events caused by inductive effects.

Can the I2C slave address be changed after manufacturing?

No, the I2C slave address combinations are determined by the SLV_ADDR pin setting and are configured at the factory. The device supports up to three distinct address combinations based on the ternary input state of this pin.