Спецификации
| Атрибут | Ценность |
| Package / Case | Tape & Reel (TR),Tape & Reel (TR) |
| Part Status | Active |
| Type | DC DC Controller |
| Topology | SEPIC, Step-Up (Boost) |
| Internal Switch(s) | No |
| Number of Outputs | 1 |
| Voltage - Supply (Min) | 4.5V |
| Voltage - Supply (Max) | 36V |
| Frequency | 800kHz |
| Dimming | Analog, PWM |
| Applications | Backlight, Lighting |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Обзор
Description
The RT8480GS is a high-performance LED driver IC designed by Richtek, widely used for backlighting and general illumination applications. This device features a constant current driver, which ensures uniform brightness levels across multiple LEDs. Its key attributes include a wide input voltage range, high efficiency, and precise current regulation, making it suitable for a variety of lighting products.
One of the standout features of the RT8480GS is its ability to support both boost and SEPIC topologies. This flexibility allows it to be incorporated into various LED configurations. It also includes a PWM dimming control, enabling dynamic brightness adjustments without compromising efficiency or performance.
Additional features include over-voltage protection, under-voltage lockout, and thermal shutdown, all of which enhance the device's reliability and longevity. The RT8480GS's compact design and robust feature set make it an excellent choice for designers looking to implement efficient and reliable LED solutions in compact spaces.
One of the standout features of the RT8480GS is its ability to support both boost and SEPIC topologies. This flexibility allows it to be incorporated into various LED configurations. It also includes a PWM dimming control, enabling dynamic brightness adjustments without compromising efficiency or performance.
Additional features include over-voltage protection, under-voltage lockout, and thermal shutdown, all of which enhance the device's reliability and longevity. The RT8480GS's compact design and robust feature set make it an excellent choice for designers looking to implement efficient and reliable LED solutions in compact spaces.
Equivalent
The RT8480GS is a high-efficiency LED driver from Richtek. Equivalent products from other manufacturers that offer similar functionality include:
1. Texas Instruments: TPS61165, a WLED driver.
2. ON Semiconductor: NCL30160, a constant current LED driver.
3. Linear Technology (Analog Devices): LT3518, an LED controller.
4. Microchip Technology: HV9910B, a universal LED driver.
Always check specific electrical and mechanical specifications to ensure compatibility with your application.
1. Texas Instruments: TPS61165, a WLED driver.
2. ON Semiconductor: NCL30160, a constant current LED driver.
3. Linear Technology (Analog Devices): LT3518, an LED controller.
4. Microchip Technology: HV9910B, a universal LED driver.
Always check specific electrical and mechanical specifications to ensure compatibility with your application.
Features
The RT8480GS is a high-efficiency, LED driver IC designed for various lighting applications. Key features include:
1. Wide Input Voltage Range: It supports a broad range of input voltages, making it versatile for different applications.
2. High Efficiency: The device offers high power efficiency, minimizing energy loss and heat generation.
3. Constant Current Output: It provides a stable and consistent current output, crucial for maintaining uniform LED brightness.
4. Dimming Capability: The RT8480GS supports PWM and analog dimming, allowing for flexible brightness control.
5. Protection Features: It includes over-voltage, over-current, and thermal shutdown protections to ensure safe and reliable operation.
6. Compact Package: The device comes in a compact package, suitable for space-constrained designs.
7. Integrated MOSFET: Features an internal high-side switch, reducing the need for external components.
8. EMI Performance: Designed to minimize electromagnetic interference, ensuring compliance with regulatory standards.
These attributes make the RT8480GS ideal for use in commercial, industrial, and residential LED lighting solutions.
1. Wide Input Voltage Range: It supports a broad range of input voltages, making it versatile for different applications.
2. High Efficiency: The device offers high power efficiency, minimizing energy loss and heat generation.
3. Constant Current Output: It provides a stable and consistent current output, crucial for maintaining uniform LED brightness.
4. Dimming Capability: The RT8480GS supports PWM and analog dimming, allowing for flexible brightness control.
5. Protection Features: It includes over-voltage, over-current, and thermal shutdown protections to ensure safe and reliable operation.
6. Compact Package: The device comes in a compact package, suitable for space-constrained designs.
7. Integrated MOSFET: Features an internal high-side switch, reducing the need for external components.
8. EMI Performance: Designed to minimize electromagnetic interference, ensuring compliance with regulatory standards.
These attributes make the RT8480GS ideal for use in commercial, industrial, and residential LED lighting solutions.
Pinout
The RT8480GS is a highly integrated IC designed for LED driver applications. It typically comes in a SOP-8 package, which means it has an 8-pin configuration. Here's a brief overview of its pin functions:
1. GND: Ground pin for the device.
2. OVP: Over Voltage Protection input. It monitors the output voltage to prevent it from exceeding a certain threshold.
3. COMP: Compensation pin for error amplifier. Used to stabilize the control loop.
4. FB: Feedback pin for LED current regulation. It senses the voltage across the current-sense resistor.
5. VDD: Power supply input for the IC.
6. SW: Switching node. Connects to the inductor for the step-down (buck) converter.
7. EN/UVLO: Enable and Under-Voltage Lockout pin. Enables or disables the device and monitors input voltage for UVLO conditions.
8. RT: Set the switching frequency by connecting a resistor to ground.
The RT8480GS is used primarily in applications that require efficient conversion and precise control of LED current, such as in display backlighting or general LED lighting systems.
1. GND: Ground pin for the device.
2. OVP: Over Voltage Protection input. It monitors the output voltage to prevent it from exceeding a certain threshold.
3. COMP: Compensation pin for error amplifier. Used to stabilize the control loop.
4. FB: Feedback pin for LED current regulation. It senses the voltage across the current-sense resistor.
5. VDD: Power supply input for the IC.
6. SW: Switching node. Connects to the inductor for the step-down (buck) converter.
7. EN/UVLO: Enable and Under-Voltage Lockout pin. Enables or disables the device and monitors input voltage for UVLO conditions.
8. RT: Set the switching frequency by connecting a resistor to ground.
The RT8480GS is used primarily in applications that require efficient conversion and precise control of LED current, such as in display backlighting or general LED lighting systems.
Manufacturer
The RT8480GS is manufactured by Richtek Technology Corporation. Richtek is a company that specializes in the design and manufacture of analog ICs, including power management integrated circuits (PMICs). They are known for providing solutions in the areas of power management, LED drivers, battery management, and more. Richtek's products are widely used in consumer electronics, computing, communications, and industrial applications. The company is headquartered in Taiwan and is recognized for its innovation and efficiency in semiconductor technology.
Application
The RT8480GS is a high-performance LED driver IC primarily used in applications requiring precise and efficient LED control. It is commonly found in:
1. LED backlighting for LCD displays, where uniform brightness and energy efficiency are crucial.
2. General LED lighting solutions, including residential, commercial, and industrial lighting.
3. Flashlights and portable lighting devices that demand compact form factors and reliable performance.
4. Automotive lighting systems, such as headlights and interior lighting, where durability and efficiency are important.
5. Architectural lighting projects that require controlled illumination with minimal power consumption.
Its ability to support high voltage step-up applications makes it versatile for a broad range of LED-related projects.
1. LED backlighting for LCD displays, where uniform brightness and energy efficiency are crucial.
2. General LED lighting solutions, including residential, commercial, and industrial lighting.
3. Flashlights and portable lighting devices that demand compact form factors and reliable performance.
4. Automotive lighting systems, such as headlights and interior lighting, where durability and efficiency are important.
5. Architectural lighting projects that require controlled illumination with minimal power consumption.
Its ability to support high voltage step-up applications makes it versatile for a broad range of LED-related projects.
Package
The RT8480GS is typically available in a SOP-8 (Small Outline Package) package type. This package is commonly used for integrated circuits due to its compact size and ease of mounting on PCBs.