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The RT7800B is a USB Power Delivery (USB PD) controller with highly integrated functions for notebook, tablet, mobile phone or any other devices with USB Type-C (USB-C) receptacle. It is designed to embed ARM CortexTM-M0 MCU so as to facilitate various functions of communication protocol, protections and customized requirements. The IC allows designer to define a USB-C port as a Provider, Consumer or a Dual Role Port by program setup.

Applications

  • Notebook PC, Tablet PC, Smart Phone
  • Desktop PC, LCD Monitor, TV, Docking Station
  • Car Charger, Power Bank
  • Portable Hard Disk, Dongle, Hubs
Key Spec.
RT7800B
Status Active
Policy Manager Integrated
Alternate Mode Yes
PD Version PD2.0;PD3.0
MCU Integrated Yes
Power Role DRP
Data Role Dual Role
External Power Path Control N-MOSFET Driver
Internal Power Path VCONN 5V 200mA
Iq (Typ) (μA) 108
Realtime VBUS Monitoring Yes
Dead Battery Support Yes
CC Pins 2
VBUS Discharge By BLD
Features Controller for DCDC Power;I2C;OCP;SCP;VBUS OVP;VBUS UVP
Package Type WQFN5x5-40
Features
  • AnyPowerTM = AnyVoltTM + AnyCurrentTM
  • AnyVoltTM (50mV/step) Output Voltage Adjustment for USB Cable Bus Power (VBUS)
  • Support Internet Online Firmware Updates
  • AnyCurrentTM OCP for USB-C VBUS Output
  • Cable Voltage Drop Compensation (CDC) for VBUS
  • Support Provider, Consumer and Dual Role Compliant with USB Power Delivery 3.0 Specification
  • High Integration :
    ► ARM M0 MCU for PD Protocol, Policy Engine and Device Policy Manager; Two I2C Interfaces
    ► Built-in Rp, Rd and BMC Physical Layer
    ► GPIOs for MUX Control and Customized Functions
    ► Automatic IC Bias Input Selection
    ► Standard Compliance Quick Discharge for VBUS
    ► Support Dead Battery Function
    ► Support USB Plug Power (VCONN)
    ► 4 Built-in Charge Pump NMOS Gate Drivers
  • PDsafeTM :
    ► OVP Detections at VBUS and VX Pins
    ► UVP Detection at VBUS Pin
    ► Current Limit for VCONN1/2 Output
    ► Maximum Rating, 22V for CC1 and CC2 Pins
Datasheet
TitleLast UpdateDownload
AnyPowerTM and PDsafeTM USB Type-C PD Controller2017/06/01
Please confirm with our distributor or sales representative for actual stock status.
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