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The RT7880T is a PWM Buck-Boost controller possessing the USB Type-C Port Controller (TCPC) Interface for USB Type-C (USB-C) PD applications. This PWM Buck-Boost controller is designed with a peak current-mode control scheme, which is able to deliver a maximal power of 100Watts with the programmable constant-voltage (CV) and constant-current (CC) output. Moreover, in order to support the enabling alternate mode, the RT7880T hereby integrates the Physical Layer of USB PD protocol. Seven (7) GPIO pins are provided for switching in the high-speed multiplixer or other customized functions. Furthermore, the Slave I<sup>2</sup>C interface, the TCPC command set and the vendor-defined command set (for power and GPIO controls) are also integrated in communication with the USB Type-C Port Manager (TCPM). <br /><br />The IC features full protections including the inductor peak current limit, the VBUS over-voltage protection (VBUS OVP), the VO under-voltage protection (VO UVP), and the VCONN current limit protection so as to provides an entire protection with the RT7880T inside. Hence, the RT7880T can offer an excellent USB PD solution for a USB PD application with less external components and simple PCB layout.<p>&nbsp;</p>
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  • Support USB Type-C Power Delivery (PD) Provider, Consumer and Dual Role Application
  • Built-in USB PD Pysical Layer (PHY) and Configuration Channel (CC) Logic :
    ► Compliant with USB PD 3.0 Specification, USB Type-C Cable and Connector Specification 1.2 and USB TCPC Interface Specification Revision 2.0, Version 1.0
    ► Alternate Mode and VCONN Output
  • Integrated PWM Buck-Boost Controller
    ► Wide Input Voltage Range : 4V to 36V
    ► Peak-Current Mode PWM Operation
    ► Programmable PWM Switching Frequency
    (200kHz to 600kHz)
    ► Pulse-Skipping Mode for Light-Load Efficiency; Selectable Forced CCM Operation
  • AnyPowerTM for Constant Voltage Output (15.6 or 23.4mV/step, typ.) and Constant Current (in 9-Bit Resolution) Output Settings
  • PDsafe®
    ► Adjustable Converter Input Current Limit
    ► Programmable VBUS OVP and VO UVP
    ► Adjustable External OTP
    ► VCONN1/2 Output Current Limit
  • Cable Voltage Drop Compensation for VBUS
  • Master and Slave I2C Interfaces
  • GPIOs for MUX Control or Customized Functions
  • Built-in Output Bleeders for Quick VBUS Discharge
  • Built-in Charge Pump for Driving Cost-Effective N-MOSFETs
  • Available in WQFN-40L 5x5 Package
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Desktop PC, LCD Monitor, LCD TV<br />Docking Station, Portable Hard Disk<br />USB Power Bank
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