RT8532AGQW

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RT8532AGQW

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IC LED DRVR CTRL PWM 50MA 20WQFN

  • メーカーリッチテックUSA株式会社

  • メーカー品番 #RT8532AGQW

  • 在庫状況8027

365 日間品質保証

7*24 日間の品質保証

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仕様

属性
Part Status Active
Base Product Number RT8532
Type DC DC Controller
Topology Step-Up (Boost)
Internal Switch(s) Yes
Number of Outputs 6
Voltage - Supply (Min) 2.5V
Voltage - Supply (Max) 24V
Voltage - Output 43V
Current - Output / Channel 50mA
Frequency 400kHz ~ 1.2MHz
Dimming Analog, PWM
Applications Backlight
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package 20-WFQFN Exposed Pad
Supplier Device Package 20-WQFN (3x3)
Packaging Cut Tape (CT), Tape & Reel (TR)

概要

Description

The RT8532AGQW is a high-performance, multi-channel DC-DC converter designed to power LED backlighting in LCD panels. It integrates a step-up (boost) controller capable of driving multiple LED strings with high efficiency and precision. Key features include wide input voltage range, high output voltage capability, and excellent current matching across LED channels, which are crucial for uniform brightness and color consistency in displays.
The device typically offers dimming control options, such as PWM dimming, to allow for flexible brightness adjustments. It also includes protection features like over-voltage, over-current, and thermal shutdown to ensure reliability and safety in various operating conditions.
The RT8532AGQW is suitable for applications in medium to large-sized LCD TVs, monitors, and other devices requiring efficient LED backlighting solutions. Its compact QFN package facilitates easy integration into space-constrained designs, making it an attractive choice for modern consumer electronics that prioritize performance and energy efficiency.

Equivalent

The RT8532AGQW is a high-efficiency, step-up DC-DC converter from Richtek. Equivalent products might include the TPS61032 from Texas Instruments, the MAX1797 from Maxim Integrated, and the LT3467 from Analog Devices. These components serve similar functions in boosting DC voltage levels and can be considered for design alternatives. However, differences in specifications such as input voltage range, output current, and efficiency should be carefully reviewed to ensure compatibility with your application.

Features

The RT8532AGQW is a high-efficiency, synchronous boost converter designed for LED backlighting applications. It features a wide input voltage range, typically from 2.7V to 24V, making it suitable for a variety of power sources including batteries. The device can drive multiple strings of LEDs with a constant current, ensuring uniform brightness across the display. It supports PWM dimming, allowing precise control over the brightness level.
The converter integrates both the high-side and low-side power MOSFETs, which improves efficiency and reduces the overall component count. The RT8532AGQW includes a variety of protection features such as over-voltage protection, over-current protection, and thermal shutdown to ensure safe operation. It also offers a high switching frequency, which allows for the use of smaller external components, thus minimizing the solution footprint.
The RT8532AGQW is packaged in a compact WQFN-20L, making it suitable for space-constrained applications. It is ideal for use in notebooks, LCD monitors, and other portable devices requiring efficient LED backlighting.

Pinout

The RT8532AGQW is a high-efficiency, dual-channel, synchronous boost converter designed by Richtek. It typically comes in a compact package suitable for applications requiring efficient power conversion. The device is housed in a 3x3mm QFN-20L package, which indicates it has 20 pins.
Key functions of the RT8532AGQW include:
1. Boosting input voltage to a higher output voltage efficiently.
2. Dual-channel capability, allowing it to support multiple outputs.
3. Built-in power MOSFETs for synchronous rectification, which enhances conversion efficiency.
4. Integrated feedback and control mechanisms for maintaining stable output under varying loads and input conditions.
5. Protection features such as over-voltage, over-current, and thermal shutdown to ensure safe operation.
This configuration makes the RT8532AGQW suitable for applications like LED backlighting, OLED displays, and general-purpose step-up power supply designs where space and power efficiency are critical.

Manufacturer

The RT8532AGQW is manufactured by Richtek Technology Corporation. Richtek is a company that specializes in designing and producing analog integrated circuits. It is known for its power management solutions, including DC-DC converters, LED drivers, and battery management systems. The company provides products that are widely used in various applications such as consumer electronics, communication devices, computer peripherals, and automotive electronics. With a focus on innovation and quality, Richtek serves a global market, providing solutions that help enhance energy efficiency and performance in electronic devices.

Application

The RT8532AGQW is a step-up converter often used in applications such as LED backlighting for LCD displays, handheld devices, and portable electronics. Its efficiency in boosting low input voltages to higher output levels makes it ideal for powering LED arrays in battery-operated devices. Additionally, its compact size and high switching frequency allow it to be integrated into space-constrained designs, enhancing the performance and energy efficiency of various digital displays and portable gadgets.

Package

The RT8532AGQW typically comes in a WQFN (Quad Flat No-leads) package, which is known for its compact size and efficient thermal performance. This package type generally has a low profile and enhanced electrical characteristics, making it suitable for space-constrained applications.

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