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The RTQ7883A-QT is a highly integrated functions USB Type-C Power Delivery (USBC PD) with internal 2 switch PWM buck converter up to 3A output current and duty cycle 99% for low dropout operation. The IC has an embedded ARM Cortex-M0 MCU, which handles 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 overvoltage protection (VBUS OVP) and VO undervoltage protection (VO UVP), so that the protections have faster responses and can still function even when the MCU is not activated. The RTQ7883A-QT can offer an excellent USB PD solution for a USB-PD Provider application with few external components and simple PCB layout.The recommended junction temperature range is -40°C to 150°C, and the ambient temperature range is -40°C to 125°C.
RTQ7883A-QT Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>AEC-Q100 Grade 1 Qualified </li><li>USB PD PD3.1/PPS Certification Passed (TID 10022) </li><li>UFCS Certification Passed (UFCS00104) </li><li>Operating Ambient Temperature: -40°C to 125°C </li><li>Junction Temperature: -40°C to 150°C </li><li>Type-C, USB PD, and Communication Protocols <ul class="lv2"> <li></li><li>Compliant with USB PD 3.1 Specification, USB Type-C Cable, and Connector Specification 2.1 </li><li>Support Other Proprietary Communication Protocols through Internal MCU, DP, and DM Pins </li></ul> </li><li>Integrated PWM Buck Converter <ul class="lv2"> <li></li><li>Wide Input Voltage Range: 4.5V to 30V, 4.5V to 36V (<0.4s) </li><li>Wide Output Voltage Range: 3.3V to VIN (21V Maximum) </li><li>Maximum 3A Output Current </li><li>Internal 2 Switch N-Channel MOSFETs </li><li>Duty 99% for Low Dropout Operation </li><li>Peak-Current Mode PWM Operation </li><li>Internal Compensation for CV, CC </li><li>Programmable PWM Switching Frequency (200kHz to 600kHz) </li><li>Pulse-Skipping Mode for Light-Load Efficiency </li></ul> </li><li>AnyPower for Constant Voltage Output (9.93mV/Step, Typ.) and Constant Current Output (in 10-Bit Resolution) </li><li>PD Safe <ul class="lv2"> <li></li><li>Adjustable Converter Input Current Limit (INOC) </li><li>Fast Response VIN OVP/UVP Detection </li><li>Programmable VBUS OVP and VO UVP </li><li>Fast Response OVP for CC1/2 and DP/DM </li><li>Adjustable External OTP/Internal OTP </li></ul> </li><li>VBUS Cable Voltage Drop Compensation </li><li>Switching Frequency Synchronization for Better EMI </li></ul></div>
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RTQ7883A-QT Ordering Information
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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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