Datasheet > RT7752GAQ

RT7752GAQ

更新时间： 2024-09-22 20:51:51

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
1页	187K
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RT7752GAQ 技术参数

Status：	Active	Feedback Regulation Mode：	SSR
Switching Frequency_Normal (kHz)：	83	Switching Frequency_Peak (kHz)：	83
Peak load Application：	No	HV Start-up：	No
CCM/Valley Multi-mode：	Yes	Programmable Burst/Green-mode：	Yes
Brown-in/out：	Yes (Buck cap.Side)	OVP：	OVP
External OTP：	Yes	UVLO ON (V)：	14.5
UVLO OFF (V)：	7	VDD OVP (V)：	44
Features：	Cycle-by-Cycle Current Limit;OCP;OVP;SCP;UVP	Package Type：	SOT-26

RT7752GAQ 数据手册

RT7752GxQ

PWM Controller for Programmable Power Converter (USBPD)

General Description

Features

The RT7752GxQ series with Quasi-Resonant mode

(QR) is specifically designed to work with controllers,

such as the RT7202, to provide a total solution for USB

 Optimized for Adaptive Output Power

 Wide VDD Range : 10V to 40V

 Adaptive Over-Current Protection

PD or

programmable power adapter. The

 Adaptive Loop Gain Control for Loop Stability

 High Efficiency

RT7752GxQ can achieve high efficiency, meet safety

standards, and consume less than 50mW of power in a

5V standby condition.

 Green Mode Operation at Light Load and No

Load

The RT7752GxQ includes several innovations in order

to provide a solution with a wide range of output

voltage. By way of DMAG pin, the RT7752GxQ senses

output voltage to adjust loop gain for system stability, to

adjust output over-voltage protection threshold voltage

to protect external devices, and to adjust current limit to

meet Limited Power Source (LPS) safety requirements.

 Comprehensive Protection Features

 Bulk-Capacitor Brown-In and Brown-Out

Protection

 VDD Over-Voltage Protection

 Output Over-Voltage and Under-Voltage

Protection

The RT7752GxQ is also equipped with comprehensive

protection features, including Bulk-Capacitor brown-in

/brown-out protection, VDD over-voltage protection

 External Over-Temperature Protection

 Secondary Rectifier Short-Circuit Protection

 Programmable Line Compensation

 Others

(VDD OVP),

output

over-voltage/under-voltage

protection (Output OVP/UVP), secondary rectifier

short-circuit protection (SRSP), and external

over-temperature protection (External OTP). For

constant output power regulation, a resistor connected

to CS pin can be used to achieve accurate line

compensation across the universal input voltage range.

The RT7752GxQ also provides various features to

protect against any failures occurring at the

secondary-side component, such as the RT7202 or a

shunt regulator.

 < 50mW in 5V Standby Mode for Power Saving

 Driver Capability : 300mA/300mA

 SmartJitter^TMTechnology

Applications

 USB PD and Programmable Power Adapters

The RT7752GxQ and the RT7202 work together to

realize a robust and safe design to prevent all the

potential fault scenarios, which may arise from versatile

and unknown connections to various devices, cables,

plugs and receptacles.

Simplified Application Circuit

Option

VBUS

GND

RT7202A

VDD

OPTO

Option

GND

CS-

VFB

USBP

CC1

RT7752GxQ

GATE

DMAG

Option

CC1

VDD

COMP

GND

Option

is a registered trademark of Richtek Technology Corporation.

DS7752GxQ-00 February 2019

www.richtek.com

中文翻译

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与RT7752GAQ相关器件

型号	品牌	获取价格	描述	数据表
RT7752GC	RICHTEK	获取价格	暂无描述
RT7752GCF	RICHTEK	获取价格	暂无描述
RT7752GCH	RICHTEK	获取价格	暂无描述
RT7752GCN	RICHTEK	获取价格	暂无描述
RT7752GE	RICHTEK	获取价格	暂无描述
RT7752GEN	RICHTEK	获取价格	暂无描述
RT7753GCN	RICHTEK	获取价格	暂无描述
RT7753GCS	RICHTEK	获取价格	暂无描述
RT7753GCV	RICHTEK	获取价格	PWM Controller for Programmable Power Converter (USBPD)
RT7755GEK	RICHTEK	获取价格	PWM Controller for Programmable Power Converter (USBPD)

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