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The RT7209, RT7209B, and RT7209C (RT7209 series) are highly integrated programmable controllers, featuring internal feedback compensation and a V5 (regulated voltage for internal MCU). With a wide operating voltage range from 3.3V to 53V,RT7209 series support USB PD3.2 SPR and EPR 48V specifications.An internal MCU is designed to meet standard USB PD protocols, Universal Fast Charging Specification (UFCS) and proprietary protocols. This controller is a specifically designed for off-line AC-DC converters to achieve high power density in fast charge systems. The built-in feedback compensation not only reduces the need for external components but also enhances the transient response. For safety considerations, the RT7209 series provide comprehensive protections.The recommended junction temperature range is -40°C to 125°C, and the ambient temperature range is -40°C to 105°C.
RT7209/RT7209B/RT7209C Typical Circuit
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<div class="spec-list"><ul class="lv1"><li>Protocol Support - USB PD3.2 SPR, PPS, EPR and AVS - Universal Fast Charging Specification (UFCS) - Proprietary Protocols </li><li>Suited for 3.3V to 53V V<sub>VDD</sub> Range </li><li>Embedded MCU with an OTP-ROM of 16kB, and a SRAM of 2kB </li><li>Built-In Shunt Regulators for Constant Voltage and Constant Current Control </li><li>Built-In Feedback Compensation </li><li>Built-In V<sub>CONN</sub> Power (100mW) </li><li>The BLD Pin for Quick Discharge of Output Capacitor </li><li>Support Programmable Cable Compensation </li><li>Support VIN (Vbulk) Detection </li><li>The USBP Pin for Direct Drive of External Blocking N-MOSFET </li><li>Power-Saving Mode in Standby Mode </li><li>Protection - Adaptive Output Overvoltage Protection - Adaptive Output Undervoltage Protection - CC1/CC2/D+/D- Overvoltage Protection - Programmable Overcurrent Protection - Programmable Constant Current Protection - Programmable Over-Temperature Protection - Internal Over-Temperature Protection </li></ul></div>
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RT7209/RT7209B/RT7209C Ordering Information
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<div class="spec-list"><ul class="lv1"><li>USB Type-C PD Controller for Chargers/Adapters of Smartphone, Tablet, Notebook, and Other Electronics </li></ul></div>
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