TUSB422
TUSB422 is USB Type-C Port Controller manufactured by Texas Instruments.
es
- 1 Supports USB Type-C™ 1.2 and Power Delivery (PD) Specifications
- USB PD Phy with I2C Interface (TCPCi) Supporting:
- 5
- 24 V Power Sourcing and Sinking
- 2.5 Watt VCONN switch
- Alt Mode Negotiations
- Optimized for Portable Applications with Autonomous Dual Role Port (DRP) Support
- Software Configurable as Dedicated Host, Dedicated Device, or Dual-Role
- DFP, UFP and DRP
- Attach/Detach of USB port
- Cable Orientation Detection
- Current Mode Advertisement and Detection
- Debug and Audio Accessory Support
- Active Cable Detection
- VCONN for Active Cable
- Dead Battery Support
- Integrated over-temperature sensing diode
(OTSD)
- VBUS Detect and Discharge Control
- VDD Supply Voltage: 2.7 V
- 5.5 V
- Low Current Consumption
- Industrial Temperature Range of
- 40°C to 85°C
2 Applications
- Smartphones
- Tablets, Notebooks, Desktops
- Wall Charger, Power Banks
SPACER
Simplified Schematic
VCONN
3 Description
TUSB422 is a USB PD PHY that enables a USB Type-C port with the Configuration Channel (CC) logic needed for USB Type-C ecosystems. It integrates the physical layer of the USB BMC power delivery (PD) protocol to allow up to 100-W of power and support for alternate mode interfaces. An external microprocessor, containing USB Type-C Port Manager (TCPM), municates with the TUSB422 through an I2C interface.
Under control of the TCPM, TUSB422 uses the CC pins to determine port attach/detach, cable orientation, role detection, and port control for USB Type-C current mode. The TUSB422 can be configured as DFP, UFP, or DRP, depending on the application. The TUSB422 implements VBUS detection and discharge for the implementation of a pliant USB Type-C port.
The TUSB422 integrates 2.5 Watt switch to provide VCONN power for an active cable. The device also provides VCONN discharge function. The TUSB422 also supports USB Type-C optional Features such as audio and debug accessory.
The device operates over a wide supply-range and has low power consumption. The...