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The RT7889S/RT7889SB is a highly integrated single port USB type-C EPR PD controller featuring a 3:1 SBU MUX, MCU, VCONN load switches, and single-port PD control circuitry. The IC incorporates an ARM Cortex-M0 MCU controller, which handles various functions of protocol communication, smart control of external DC-DC power, firmware-based protections, and customized functions. The RT7889S/RT7889SB provides robust protections for VCONN and SBU1/2. The IC is available in a compact WQFN 5x5 package. The recommended junction temperature range is -40°C to 125°C, and the ambient temperature range is -40°C to 85°C.

應用

  • Docking Stations
  • Monitors
  • Notebook Computers
主要規格
RT7889S RT7889SB
Status Active Active
Policy Manager Integrated Integrated
Alternate Mode Yes Yes
PD Version PD3.2 PD3.2
MCU Integrated Yes Yes
Power Role Consumer Consumer
Data Role Dual Role Dual Role
External Power Path Control GPIO GPIO
Internal Power Path VCONN 1.5W VCONN 1.5W
Realtime VBUS Monitoring Yes Yes
Dead Battery Support No Yes
CC Pins PA_CC1;PA_CC2;PB_CC1;PB_CC2 PA_CC1;PA_CC2;PB_CC1;PB_CC2
VBUS Discharge By VBUS By VBUS
Interface OVP Switch OVP Switch
Features I2C I2C
Package Type WQFN5x5-40 WQFN5x5-40
Outline Dimension, Footprint, Drawing Download Download
關鍵特性
  • Integrated USB Type-C Power Delivery (PD) Controller
    ► Support 28V Extended Power Range (EPR) for Both Sink and Source Devices
    ► Compliant with USB PD 3.2 Specification
    ► Fast Role Swap
    ► 2 Slave I2C Interfaces (I2C1, I2C2)
    ► 2 Master/Slave I2C Interfaces (I2C3, I2C4)
  • Featured Function
    ► RT7889S: Without Dead Battery Rd
    ► RT7889SB: With Dead Battery Rd
  • CC1/2 and SBU1/2 Withstand Voltage to 28V
  • Integrated VCONN Switch for CC1/2, Supply Power up to 1.5W
  • Port Protection for VCONN and SBU1/2
    ► Support VCONN RVP, OCP, OVP, and OTP Detection
    ► Support SBU1/2 OVP Detection
  • 256kB Flash Memory with Dual-Bank Operation
  • 3:1 SBU MUX with Level Shift for Alternate Mode and Debug Mode Operation
  • Support USB Full-Speed Device
  • Support SHA-256 and ECDSA
  • Support Firmware Update via USB PD (CC1/2), DP/DM, and I2C Interface
  • 21 Configurable GPIOs
  • Programmable PWM LED Controller
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