Datasheet > RT7202KLA

RT7202KLA

更新时间： 2024-04-09 18:59:31

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
45页	1008K
描述
Programmable Multi-Protocol Controller for 20V Output with Power Sharing

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RT7202KLA 数据手册

RT7202KLA

Programmable Multi-Protocol Controller for 20V Output with

Power Sharing

General Description

The RT7202KLA is a programmable controller with high

Features

⚫ Protocol Support

 USB PD2.0/PD3.0 and PPS

 UFCS

integration,

including

the

internal

feedback

compensation and V2 (regulated voltage for internal

MCU) inside. An internal MCU is designed to meet

proprietary protocols via the CC1/CC2/D+/D- interface.

This controller is a specific design for off-line AC-DC

converters to achieve the high power density of a fast

charge system. The RT7202KLA can share the output

 Proprietary Protocols

⚫ Highly Integrated

 Suited for 3V to 22V VDD Range

 Embedded MCU with a Mask ROM of 32kB, an

OTP-ROM of 16kB, and an SRAM of 2kB

 Built-in Shunt Regulators for Constant Voltage

and Constant Current Control

 Built-in Feedback Compensation with Soft

Start for LPS

power through Master/Slave I C communication. The

built-in feedback compensation not only reduces the

external components, but also enhances the transient

response. For the safety consideration, the RT7202KLA

provides comprehensive protections, including LPS

protection and accurate internal Over-Temperature

Protection (OTP).

 Built-in V

Power (5V/20mA)

CONN

 VDD Pin for Quick Discharge of Output

Capacitor

 Supported High-Side Current Sensing

 Supported Linear Cable Compensation

In applications requiring high-precision control, a dual

operational amplifier is adopted in the Digital-to-Analog

Converter (DAC) to serve reference voltages used for

regulation of voltage loop and current loop in

programming the constant voltage (CV) and the

constant current (CC).

 Supported Master/Slave I C Communication

 Supported VIN and LPS Detection

 < 6.6mA Operating Current in Normal Mode

 < 2.2mA Operating Current in Sleep Mode

 < 1150A Operating Current in Green Mode

⚫ Protection

Applications

⚫ USB Type-C Controller in Source Application for

Single-Port or Multi-Port Charger/Adapter of

Smartphone, Tablet, Notebook, and Other Electronics

 Adaptive Output Over-Voltage Protection

 Adaptive Under-Voltage Protection

 CC1/CC2/D+/D-/RT Over-Voltage Protection

 Firmware-Programmable Over-Current

Protection

⚫ USB Type-C Controller in Sink Application for IoT

Devices of Power Over Ethernet, Smart Speaker,

Projector, and Other Electronics

 Firmware-Programmable Constant Current

Protection

 Firmware-Programmable Over-Temperature

Protection

 Firmware-Programmable LPS Protection

 Internal Over-Temperature Protection

is a registered trademark of Richtek Technology Corporation.

DS7202KLA-01 December 2022

www.richtek.com

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