Overview
The TPS65988DKRSHR is a highly integrated, stand-alone Dual Port USB Type-C and Power Delivery (PD) controller developed by Texas Instruments. This device is specifically optimized for USB4 and Thunderbolt 4 (TBT4) device designs, offering a comprehensive solution for integrating USB Type-C and Power Delivery functionality. The TPS65988DKRSHR features robust power paths with built-in protection, simplifying system design and reducing time-to-market. It communicates on the CC wire using the USB PD protocol, automating power negotiation and configuration upon cable detection and orientation detection.
Key Specifications
| Parameter | Value |
|---|---|
| Package | VQFN (RSH)-56 |
| Body Size | 7.00 mm x 7.00 mm |
| Power Supply | 3.3 V or VBUS source |
| Power Path Switches | Integrated two 5-20 V, 5-A, 25-mΩ bidirectional switches |
| Certifications | USB-IF for PD3.0, UL2367, IEC62368-1 |
| I2C Interface | 1 I2C primary or secondary port, 1 I2C primary only port, 1 I2C secondary only port |
| GPIOs | 13 configurable GPIOs |
| Thermal Resistance | Junction-to-ambient: 36.4°C/W, Junction-to-case (top): 28.3°C/W |
Key Features
- USB Power Delivery 3.0 certified solution
- PD3.0 silicon for future-proof designs
- Bidirectional switches for efficient power routing
- Integrated reverse current protection, undervoltage protection, overvoltage protection, and slew rate control
- I2C interface for seamless communication
- VCONN switch with integrated dead battery support
- Cable attach and orientation detection
- Physical layer and policy engine
- 3.3-V LDO output for dead battery support
- BC1.2 charging support
- Alternate mode support, including DisplayPort
- Control for external DC/DC supplies, high-speed data muxes, and other peripheral devices through GPIO or I2C
Applications
- Docking systems
- Monitors
- USB4 hubs
- Thunderbolt 4 (TBT4) devices
Q & A
- What is the TPS65988DKRSHR used for?
The TPS65988DKRSHR is used for integrating Dual Port USB Type-C and Power Delivery (PD) functionality, particularly in USB4 and Thunderbolt 4 device designs.
- What certifications does the TPS65988DKRSHR hold?
The device is certified by the USB-IF for PD3.0, and it also holds UL2367 and IEC62368-1 certifications.
- What kind of power path protection does the TPS65988DKRSHR offer?
The device integrates robust power path protection, including reverse current protection, undervoltage protection, overvoltage protection, and slew rate control.
- How does the TPS65988DKRSHR handle cable detection and orientation?
The device communicates on the CC wire using the USB PD protocol and detects cable attach and orientation, automating power negotiation and configuration.
- What is the significance of the 3.3-V LDO output in the TPS65988DKRSHR?
The 3.3-V LDO output provides support for dead battery scenarios, ensuring continued operation under low-power conditions.
- Can the TPS65988DKRSHR be used in non-USB4 device designs?
No, the TPS65988DKRSHR is specifically intended for use in USB4 device designs. For other applications, refer to the selection guide and getting started information at www.ti.com/usb-c and the E2E guide.
- How many GPIOs are available on the TPS65988DKRSHR?
The device features 13 configurable GPIOs.
- What is the package type and size of the TPS65988DKRSHR?
The device is packaged in a VQFN (RSH)-56 package with a body size of 7.00 mm x 7.00 mm.
- Does the TPS65988DKRSHR support alternate modes?
- How does the TPS65988DKRSHR manage external devices?
The device can control external DC/DC supplies, high-speed data muxes, and other peripheral devices through either GPIO or I2C interfaces.
