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RT7208EB

Part Number	RT7208EB
Manufacturer	Richtek
Description	High-Integration USB PD Controller
Published	Sep 10, 2023
Detailed Description	RT7208EB High-Integration USB PD Controller with Internal Feedback Compensation and Synchronous Rectification for ZVS C...
Datasheet	RT7208EB PDF File

Overview

RT7208EB High-Integration USB PD Controller with Internal Feedback Compensation and Synchronous Rectification for ZVS Control General Description The RT7208EB is a programmable USB PD controller with built-in functions of synchronous rectification, bidirection control and internal feedback compensation.
The controller MCU handles various proprietary protocols via the D+/D- interface and supports USB PD Type-C via the CC1/CC2 pins.
The RT7208EB provides the highly integrated solution for the off-line high power density AC-DC converter by utilizing the zero-voltage switching (ZVS) on main switch.
This is accomplished by built-in compensation for feedback control to regulate output voltage and current.
In order to reduce usage of external components, the controller is built-in with a synchronous rectification controller, and integrated with diverse functions and protections.
These features improve the efficiency as well as the safety of a power converter.
In the IC, an internal synchronous rectifier controller can optimize efficiency and provide safe operation in both continuous-conduction mode (CCM) and discontinuous -conduction mode (DCM) under a wide output voltage range of 3.
0V to 22V.
Moreover, a dual operational amplifier with the digitalto-analog converter (DAC) is embedded for voltageloop and current-loop regulation when programming the constant-voltage (CV) and constant-current (CC) regulation in high precision.
Applications  USB PD Type-C or Proprietary Protocols (e.
g.
, FCP, SCP and AFC) Chargers/Adapters for Smart Phones, NBs, Tablets and All Other Electronics  USB PD Extension Cores with Offline AC-DC Converters Features  Protocol Support  USB PD2.
0/PD3.
0 and PPS  Proprietary Protocols  Highly Integrated  Embedded MCU with an Mask ROM of 32KB, an OTP-ROM of 16KB, and an SRAM of 3KB  Built-in Synchronous Rectifier Controller and Driver  Built-in Charge Pump for a Wide VDD Operation Range of 3V to 22V  Built-in Bi-direction Function for Programma...

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RT7208EB High-Integration USB PD Controller - Richtek

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