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RT7205A

Richtek
Part Number RT7205A
Manufacturer Richtek
Description Programmable SMPS and USB Type-C Controller
Published Oct 20, 2021
Detailed Description ® RT7205A Programmable SMPS and USB Type-C Controller General Description Features The RT7205A is a highly integrate...
Datasheet PDF File RT7205A PDF File

RT7205A
RT7205A

Overview
® RT7205A Programmable SMPS and USB Type-C Controller General Description Features The RT7205A is a highly integrated and programmable SMPS controller at the secondary side.
It provides the necessary functions and protections for high efficient and high power density off-line AC-DC converter designs.
The RT7205A integrates an MCU to handle various proprietary protocols (e.
g.
, FCP, SCP and AFC) through D+/Dinterface and also support USB Type-C via CC1/CC2 pins.
An internal synchronous rectifier controller can optimize efficiency and provide safe operate in both continuousconduction mode (CCM) and discontinuous-conduction mode (DCM) even in the condition of a wide output voltage range of 3V to 12V.
Dual operational amplifiers with respectively programmable reference voltages are included for voltage-loop and current-loop regulation to provide programmable constant-voltage (CV) and constant-current (CC) regulation in high precision.
l Protocols Supported } SCP, FCP, AFC and Proprietary Protocols } USB Type-C l Highly Integrated } Embedded MCU with an Mask-ROM of 16kB, an OTP-ROM of 8kB, and an SRAM of 0.
75kB } Built-in Synchronous Rectifier Driver and Controller } Built-in Charge Pump for a Wide VDD Operation Range of 3V to 12V } Built-in Shunt Regulator for Programmable Constant-Voltage and Constant-Current Control } Programmable Cable Compensation } BLD Pin for Quick Discharge of Output Capacitor } USBP Pin for Direct Drive of External Blocking N-MOSFET } Power-Saving Mode in Standby Mode Ordering Information RT7205A - Programmed Firmware Code AABBX AA : Application Code BB : Model Code X : Customer Approved Version Code l Protection } Adaptive Over-Voltage Protection } Adaptive Under-Voltage Protection } Firmware-Programmable Over-Current Protection } Firmware-Programmable Over-Temperature Protection Package Type QW : WQFN-24L 4x4 (W-Type) Applications (Exposed Pad-Option 2) l Travel Adaptors with Fast Charge Protocols (e.
g.
, FCP, Lead Plating System G ...


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