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The RT7880 is a USB Type-C Power Delivery (USB-C PD) and PWM buck-boost controller with highly integrated by the specific functions and the flexibility for USB PD provider applications. The IC has embedded an ARM Cortex<sup>TM</sup>-M0 MCU so as to handle various functions of communication protocol, smart control of the PWM converter, firmware-based protections, and customized functions. The IC features hardware-based protections, such as inductor peak current limit, VBUS over-voltage protection (VBUS OVP), VO under-voltage protection (VO UVP), and VCONN current limit protection, so that the protections have faster responses and can still function properly even when the MCU is not activated. The RT7880 hereby offers an excellent USB PD solution for a USB-PD Provider application with minimal external components and simple PCB layout.
RT7880 Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>Support USB Type-C Power Delivery (PD) Provider Application </li><li>Type-C, USB PD and Communication Protocols <ul class="lv2"> <li></li><li>Compliant with USB PD 3.0 Specification, USB Type-C Cable and Connector Specification 1.2 </li><li>Alternate Mode and V<sub>CONN</sub> Output </li><li>Support Other Proprietary Communication Protocols through Internal MCU, DP and DM Pins </li></ul> </li><li>Integrated PWM Buck-Boost Controller <ul class="lv2"> <li></li><li>Wide Input Voltage Range : 4V to 36V </li><li>Peak-Current Mode PWM Operation </li><li>Programmable PWM Switching Frequency (200kHz to 600kHz) </li><li>Pulse-Skipping Mode for Light-Load Efficiency; Selectable Forced CCM Operation </li></ul> </li><li>AnyPower<sup>TM</sup> for Constant Voltage Output (15.6 or 23.4mV/step, typ.) and Constant Current (in 9-Bit Resolution) Output Settings </li><li>PD Safe<sup>®</sup> <ul class="lv2"> <li></li><li>Adjustable Converter Input Current Limit </li><li>Programmable VBUS OVP and VO UVP </li><li>Adjustable External OTP </li><li>VCONN1/2 Output Current Limit </li></ul> </li><li>Cable Voltage Drop Compensation for V<sub>BUS</sub> </li><li>Master and Slave I<sup>2</sup>C Interfaces </li><li>GPIOs for MUX Control or Customized Functions </li><li>Built-in Output Bleeders for Quick V<sub>BUS</sub> Discharge </li><li>Built-in Charge Pump for Driving Cost-Effective N-MOSFETs </li><li>Available in WQFN-40L 5x5 Package </li><li>Online Firmware Update via Slave I<sup>2</sup>C Interface </li><li>USB PD PD3.0/PPS Certification Passed (TID 1080016) </li></ul></div>
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RT7880 Ordering Information
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<div class="spec-list"><ul class="lv1"><li>Desktop PC, LCD Monitor, LCD TV </li><li>Docking Station, Portable Hard Disk </li><li>USB Car Charger, USB Power Bank </li></ul></div>
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