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The RTQ7880A-QT 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 RTQ7880A-QT hereby offers an excellent USB PD solution for a USB-PD Provider application with minimal external components and simple PCB layout.
RTQ7880A-QT 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>AEC-Q100 Grade 2 Qualified </li><li>Operating Ambient Temperature : -40°C to 105°C </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 (in 10-Bit Resolution) and Constant Current (in 9-Bit Resolution) Output Settings </li><li>PD Safe® <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-48L 6x6 Package </li><li>Online Firmware Update via Slave I<sup>2</sup>C Interface <p></p> </li><li>USB PD PD3.0/PPS Certification Passed <p></p><p>(TID 1080016)</p> </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>Automotive USB Type-C Power Delivery Charger </li></ul></div>
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