RT8569GQW

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RT8569GQW

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IC LED DRVR CTRL PWM 40MA 20WQFN

  • HerstellerRichter USA Inc.

  • Herstellerteil #RT8569GQW

  • Auf Lager3612

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

90-Tage Kundendienstgarantie

Originalproduktgarantie

Spezifikationen

Attribut Wert
Part Status Active
Type DC DC Controller
Topology Step-Up (Boost)
Internal Switch(s) Yes
Number of Outputs 6
Voltage - Supply (Min) 4.2V
Voltage - Supply (Max) 24V
Voltage - Output 43V
Current - Output / Channel 40mA
Frequency 500kHz ~ 1MHz
Dimming PWM
Applications Backlight
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 20-WFQFN Exposed Pad
Supplier Device Package 20-WQFN (4x4)
Base Product Number RT8575

Übersicht

Description

The RT8569GQW is a high-efficiency, multi-string LED driver designed for applications such as LCD backlighting. It features a wide input voltage range and provides a constant current to multiple LED strings, ensuring uniform brightness. The device integrates a step-up DC-DC converter to boost input voltage and can drive up to six LED strings simultaneously, each with its own current regulator. This flexibility makes it suitable for large screen displays.
Key features include adjustable switching frequency, high-voltage protection, and LED dimming control via PWM or analog methods. The RT8569GQW also incorporates fault protection mechanisms, such as over-voltage, over-current, and open/short LED string protection. Its compact QFN package promotes efficient thermal management, making it ideal for space-constrained designs.
Overall, the RT8569GQW offers a reliable solution for LED backlighting with high efficiency, flexibility, and robust protection features, catering to modern display requirements.

Equivalent

The RT8569GQW is an LED driver IC from Richtek. Equivalent products may include LED driver ICs with similar specifications from other manufacturers. Examples include the TPS61165 from Texas Instruments, the LT3476 from Analog Devices, and the CAT4101 from ON Semiconductor. When selecting an equivalent, ensure that the alternative matches the key parameters such as operating voltage, current output, and features relevant to your application. Always consult the datasheets for compatibility.

Features

The RT8569GQW is a high-performance LED driver IC designed for use in backlighting applications. Key features include:
1. Wide Input Voltage Range: Supports a broad input range, making it versatile for various power sources.
2. High Efficiency: Ensures optimal power usage and reduced thermal output, enhancing overall efficiency.
3. Integrated Switches: Comes with built-in power MOSFETs, reducing the need for additional components.
4. PWM Dimming: Supports Pulse Width Modulation dimming for precise brightness control.
5. Current Matching: Provides excellent current matching for uniform LED brightness.
6. Protection Features: Includes over-voltage protection, over-current protection, and thermal shutdown to ensure safety and reliability.
7. Compact Package: Available in a space-saving package suitable for compact designs.
8. Adjustable Frequency: Allows for the adjustment of operating frequency to optimize performance in specific applications.
These features make the RT8569GQW an efficient and reliable choice for LED backlighting in displays and lighting applications where size and efficiency are critical.

Pinout

The RT8569GQW is a high-efficiency LED driver with a 20-pin configuration. It is designed primarily for backlighting applications. The key functions of the RT8569GQW include driving multiple strings of LEDs, managing the current accurately through each string, and providing protection features such as over-voltage protection, under-voltage lockout, and thermal shutdown. Additionally, it supports PWM dimming to adjust the brightness of the LEDs. The device is often used in LCD panel backlighting for TVs and monitors, where precise control and high efficiency are required.

Manufacturer

The RT8569GQW is manufactured by Richtek Technology Corporation. Richtek is a Taiwanese company that specializes in the design and production of power management integrated circuits (ICs). They provide a range of solutions in power management for various applications, including computing, consumer electronics, and industrial equipment. Richtek is recognized for its innovative approach to power management technology, focusing on delivering high-performance, energy-efficient, and cost-effective solutions for its clients.

Application

The RT8569GQW is primarily used in applications that require efficient LED backlighting solutions. Its main areas of application include LCD TVs, monitors, and notebook displays. It is designed to drive multiple LED strings with high precision and uniform brightness, making it ideal for large display panels. Additionally, the RT8569GQW can be used in automotive display systems and any other application where reliable and efficient LED backlighting is required. Its features, such as wide input voltage range and high efficiency, make it suitable for both consumer electronics and industrial applications.

Package

The RT8569GQW is typically available in a WQFN (Wireless Quad Flat No-leads) package, which is a compact surface-mount technology format. This package type is designed for efficiency in space usage and heat dissipation, making it suitable for high-performance applications.

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