TUSB422IYFPT

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1. Describe

The TUSB422IYFPT is a USB PD PHY that enables USB Type-C ports with Configuration Channel (CC) logic required by the USB Type-C ecosystem. It integrates the physical layer of the USB BMC Power Delivery (PD) protocol, which provides up to 100W of power and supports an alternate mode interface. An external microprocessor including a USB Type-C Port Manager (TCPM) communicates with the TUSB422IYFPT through the I2C interface. Under the control of TCPM, the TUSB422IYFPT uses the CC pin to determine port attach/detach, cable orientation, role detection, and port control for USB Type-C current mode. The TUSB422IYFPT can be configured as DFP, UFP or DRP, depending on the application. The TUSB422IYFPT implements VBUS detection and discharge for a compatible USB Type-C port. The TUSB422 integrates a 2.5 watt switch to provide VCONN power to active cables. The device also provides a VCONN discharge function. The TUSB422 also supports USB Type-C optional features such as audio and debugging accessories. The device operates over a wide supply range and consumes low power. The TUSB422 is suitable for the industrial temperature range.

2. Feature

    1. Supports USB Type-C™ 1.2 and Power Delivery (PD) specifications

    2. USB PD Phy support with I2C interface (TCPCi):

        – 5 — 24 V supply and sink current

        – 2.5W VCONN switch

        – Alternative mode negotiation

    3. Optimized for portable applications with Autonomous Dual Role Port (DRP) support

    4. Software configurable as dedicated host, dedicated appliance or dual role

        – DFP, UFP and DRP

        – Attach/detach USB port

        – Cable Orientation Detection

        – Current mode advertising and detection

        – Debug and audio accessory support

        – Active cable detection

        – VCONN for active cables

    5. Battery drain support

    6. Integrated over temperature detection diode (OTSD)

    7. VBUS detection and discharge control

    8. VDD supply voltage: 2.7 V — 5.5 V

    9. Low current consumption

  10. Industrial temperature range of –40°C to 85°C

3. Application

    1. smart phone

    2. Tablet, Laptop, Desktop

    3. Wall chargers, power banks

4. Pin configuration

5. Pin Description