RT8577AGQW

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RT8577AGQW

IC LED DRV RGLTR PWM 20WQFN

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Specifications

Package Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100
ProductStatus Active
Type DC DC Regulator
Topology Step-Up (Boost)
InternalSwitch(s) Yes
NumberofOutputs 4
Voltage-Supply(Min) 5.5V
Voltage-Supply(Max) 40V
Current-Output/Channel 120mA
Frequency 200kHz ~ 2.1MHz
Dimming PWM
Applications Automotive, Backlight
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-WQFN Exposed Pad

Overview

Description

The RT8577AGQW is a high-efficiency, multi-channel LED driver IC commonly used for backlight applications in LCD panels. It integrates several key features that allow for precise control and management of LED arrays. The IC typically supports a wide input voltage range and offers multiple channels, each capable of driving a string of LEDs.
Key features of the RT8577AGQW include PWM dimming control, which enables brightness adjustment, and current balancing to ensure uniform LED illumination across all channels. The device often incorporates protection features such as over-voltage, over-current, and over-temperature protection, enhancing its reliability in various operating conditions.
Designed for high performance, the RT8577AGQW is suitable for use in a variety of applications, including television displays, monitors, and other devices requiring efficient LED backlighting. Its compact package and integrated design contribute to reducing the overall system cost and complexity, making it a popular choice among engineers and designers in the electronics industry.

Features

The RT8577AGQW is a high-efficiency, multi-channel LED driver designed for backlighting applications. It typically includes the following features:
1. Multi-Channel Output: Supports multiple channels, making it suitable for driving multiple LED strings.
2. High Efficiency: Designed for high power efficiency, reducing energy consumption and heat generation.
3. Wide Input Voltage Range: Can operate over a broad range of input voltages, enhancing its versatility in different configurations.
4. Dimming Control: Offers PWM dimming capabilities, allowing precise control over LED brightness.
5. Over-Voltage Protection (OVP): Safeguards the device against voltage spikes, ensuring long-term reliability.
6. Over-Current Protection (OCP): Protects against excessive current, preventing damage to the LEDs.
7. Thermal Shutdown: Includes thermal protection to prevent overheating.
8. Compact Package: Available in a compact package, facilitating easy integration into various designs.
These features make the RT8577AGQW a robust choice for applications requiring reliable and efficient LED backlighting. For detailed specifications and electrical characteristics, refer to the manufacturer's datasheet.

Package

The RT8577AGQW is typically available in a WQFN (16-pin) package, which stands for "Wettable Flank Quad Flat No-leads." This compact package type is designed for efficient thermal performance and space-saving applications in electronic circuits.

Pinout

The RT8577AGQW is a white LED driver IC designed for backlighting applications. It is typically housed in a 24-pin WQFN package. Its function is to drive multiple strings of LEDs with high efficiency and precision, suitable for LCD panel backlighting in TVs and similar devices. The IC integrates a step-up (boost) converter and current sources to ensure uniform brightness across all LED strings. Additionally, it features PWM dimming to adjust the brightness levels and includes protection features like over-voltage, over-current, and thermal shutdown to ensure safe operation.

Manufacturer

The RT8577AGQW is manufactured by Richtek Technology Corporation. Richtek is a Taiwanese company that specializes in designing and manufacturing power management integrated circuits (ICs). They provide a wide range of power management solutions used in various applications, including consumer electronics, telecommunications, and computing devices. Founded in 1998, Richtek has established itself as a key player in the semiconductor industry, focusing on delivering efficient and high-performance power management solutions.

Application

The RT8577AGQW is typically used in applications that require efficient LED backlighting, such as in LCD displays for televisions, monitors, and automotive infotainment systems. It is designed for high-current LED driving, making it suitable for use in LED lighting systems and general illumination. Additionally, it may be used in portable devices needing efficient power management for display backlighting and other related applications where space and power efficiency are critical.

Equivalent

The RT8577AGQW is a DC-DC converter designed for LED backlighting applications. Equivalent products might include similar LED driver ICs from manufacturers like Texas Instruments, such as the TPS61165 or TPS61196, and from Analog Devices, like the LT3952. When selecting an equivalent, consider parameters like input voltage range, output current, PWM dimming capability, and package type to ensure compatibility with your specific application. Always refer to the datasheets for detailed specifications.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

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3. Wire Transfer