RT8452GQW

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RT8452GQW

IC LED DRIVER CTRLR PWM 16WQFN

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規格

Package Tape & Reel (TR)
ProductStatus Active
Type DC DC Controller
Topology Step-Down (Buck), Step-Up (Boost)
InternalSwitch(s) No
NumberofOutputs 1
Voltage-Supply(Min) 4.5V
Voltage-Supply(Max) 36V
Voltage-Output 48V
Frequency 350kHz
Dimming Analog, PWM
Applications Backlight, Lighting
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 16-WFQFN Exposed Pad

概述

Description

The RT8452GQW is a high-performance LED driver integrated circuit (IC) designed to drive high-brightness LEDs efficiently. It is commonly used in applications such as general lighting, backlighting, and automotive lighting due to its robust design and features.
Key features of the RT8452GQW include a wide input voltage range, typically supporting from 4.5V to 40V, making it versatile for various power sources. It incorporates a constant current control mode to ensure stable LED brightness and prolong the LEDs' lifespan. The IC also features high efficiency, typically above 90%, reducing heat dissipation and enhancing energy savings.
The RT8452GQW is equipped with a dimming function, allowing for PWM or analog voltage dimming, providing flexibility in adjusting LED brightness. It also includes over-temperature protection, over-current protection, and short-circuit protection, ensuring reliable and safe operation.
With its compact package and minimal external components, the RT8452GQW is easy to integrate into LED driver circuits. Overall, it offers an efficient and reliable solution for powering high-brightness LEDs across various applications.

Features

The RT8452GQW is a LED driver integrated circuit commonly used in lighting applications. It is designed to efficiently control high-brightness LEDs and offers several notable features:
1. Wide Input Voltage Range: The RT8452GQW supports a broad input voltage range, making it versatile for various power conditions.
2. High Efficiency: It is designed to deliver high efficiency, which helps in reducing power consumption and heat generation.
3. Constant Current Output: The IC provides a constant current output, ensuring stable LED brightness and protecting against fluctuations that could damage the LEDs.
4. Dimming Control: It supports PWM dimming and analog dimming, allowing for flexible brightness adjustments.
5. Over-Voltage Protection: The RT8452GQW includes over-voltage protection features to safeguard against voltage spikes.
6. Thermal Protection: It has built-in thermal protection to prevent overheating, enhancing the reliability and lifespan of both the driver and connected LEDs.
7. Compact Package: The IC is available in a compact QFN package, making it suitable for space-constrained applications.
These features make the RT8452GQW a reliable choice for LED lighting solutions, particularly in applications requiring efficiency and precise control.

Package

The RT8452GQW is typically available in a WQFN (Wettable Flank Quad Flat No-leads) package. This package type is compact and designed for efficient thermal performance and electrical reliability, often used for integrated circuits in various applications.

Pinout

The RT8452GQW is a high-efficiency, high-precision LED driver IC designed for driving high-brightness LEDs. It typically comes in a 16-pin WQFN package. The primary function of the RT8452GQW is to provide a constant current output to drive LEDs efficiently. It includes an internal switch and operates as a buck converter, making it suitable for applications where step-down voltage conversion is needed.
Key functions include:
1. Constant Current Control: Ensures stable current to the LEDs for consistent brightness.
2. Wide Input Voltage Range: This makes it versatile for various power sources.
3. High Efficiency: Reduced energy loss in power conversion.
4. Dimming Functionality: Supports PWM dimming for brightness control.
5. Protection Features: Includes over-voltage, over-current, and over-temperature protection for reliability.
Please refer to the specific datasheet for detailed information on pin configuration and electrical characteristics, as manufacturers may provide additional application notes and specifications for the RT8452GQW.

Manufacturer

The RT8452GQW is manufactured by Richtek Technology Corporation. Richtek is a semiconductor company that specializes in the design and production of power management integrated circuits (ICs). Founded in 1998 and headquartered in Taiwan, Richtek provides analog IC products and solutions used in a wide range of applications, including consumer electronics, communications equipment, computer peripherals, industrial controls, and automotive systems. The company is known for its innovation in energy-efficient power management solutions, which help optimize the performance and efficiency of electronic devices.

Application

The RT8452GQW is typically used in applications requiring efficient LED driver solutions. It is suitable for LED backlighting, street lighting, and general-purpose LED lighting systems. Additionally, it can be employed in scenarios needing high-efficiency step-down (buck) converters or where precise control of LED brightness is necessary. Its features make it ideal for consumer electronics, automotive lighting, and industrial lighting applications.

Equivalent

The RT8452GQW is a LED driver IC by Richtek. Equivalent products might include similar LED driver ICs from manufacturers like Texas Instruments, ON Semiconductor, or Maxim Integrated. Some potential equivalents could be TI's LM3409, ON Semiconductor's NCL30051, or Maxim's MAX16834, though specific equivalencies will depend on the detailed specifications like current, voltage, and dimming capabilities. Always consult the datasheets to ensure compatibility.

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