LM3409HVMY

圖片僅供參考

LM3409HVMY

+物料清單

LED Lighting Driver ICs

  • 製造商德州儀器

  • 製造商部分 #LM3409HVMY

  • 有存貨15940

365 天品質保證

7*24 小時服務保證

90-日售後保障

正品保證

規格

屬性 價值

概述

Description

The LM3409HVMY is a high-voltage, constant-current buck regulator designed for driving high-brightness LEDs. It is part of the LM3409 series by Texas Instruments, specifically catering to applications requiring higher input voltages. Key features include a wide input voltage range (up to 75V), compatibility with various LED configurations, and high efficiency. The device offers peak current-mode control, which ensures stable operation and consistent LED brightness. Additional functionalities include adjustable switching frequency, analog and PWM dimming capability, and thermal shutdown for protection. Its compact package makes it suitable for space-constrained designs. Common applications include automotive lighting, architectural lighting, and general illumination systems. The LM3409HVMY provides designers with a robust solution for demanding lighting applications, ensuring flexibility and reliability.

Equivalent

The LM3409HVMY is a high-voltage LED driver from Texas Instruments. Equivalent products from other manufacturers might include the LT3761 from Analog Devices, the NCP3066 from ON Semiconductor, and the MIC3223 from Microchip Technology. These products provide similar functionalities for driving high-brightness LEDs and support high-voltage input. However, specific features and performance may vary, so it's important to check the datasheets for compatibility with your application.

Features

The LM3409HVMY is a high-voltage, constant current buck regulator designed for driving high-brightness LEDs. Key features include:
1. Wide Input Voltage Range: Capable of operating from 6V to 75V, making it suitable for a variety of applications.
2. Adjustable Output Current: Allows for precise control of LED brightness and power levels.
3. High-Side Current Sense: Provides accurate current control with minimal power loss.
4. PWM Dimming Capability: Supports both analog and PWM dimming for flexible brightness control.
5. Cycle-by-Cycle Current Limit: Enhances reliability by protecting against overcurrent conditions.
6. Thermal Shutdown: Protects the device from overheating, ensuring robustness.
7. Internal Compensation: Simplifies design by reducing the number of external components required.
8. Low Feedback Voltage: Minimizes power dissipation and enhances efficiency.
9. Integrated High-Side N-Channel MOSFET Driver: Simplifies the design and reduces component count.
These features make the LM3409HVMY ideal for automotive, architectural, and general lighting applications where high efficiency and reliability are critical.

Pinout

The LM3409HVMY is a high-voltage constant current buck regulator specifically designed for LED drive applications. It features an 8-pin package which includes the following pins:
1. SW (Switch Node): Connects to the inductor and provides the switching output.
2. BOOT (Bootstrap): Supplies the necessary gate drive voltage for the internal high-side MOSFET switch.
3. VIN (Input Voltage): Power input pin for the device, connected to the source voltage.
4. CSN (Current Sense Negative): Negative terminal for current sense; used to regulate LED current.
5. CSP (Current Sense Positive): Positive terminal for current sense; used along with CSN.
6. COMP (Compensation): Used to stabilize the control loop with an external compensation network.
7. Rset (Set Resistor): Used to set the switching frequency of the regulator.
8. GND (Ground): Ground reference for the device.
The LM3409HVMY is specifically optimized for high-power LED lighting solutions, offering features like high efficiency, adjustable current regulation, and PWM dimming capabilities, making it suitable for a range of applications requiring up to 75V input.

Manufacturer

The LM3409HVMY is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a broad range of electronic products. TI is known for its analog chips and embedded processors, which are used in various applications including industrial, automotive, personal electronics, and communications equipment. The company focuses on innovation and quality, providing components that enhance performance and efficiency across various technology markets.

Application

The LM3409HVMY is a high-voltage LED driver IC designed for efficient control of high-brightness LEDs. Its application areas include automotive lighting, architectural lighting, general illumination, and industrial lighting systems. The device is suitable for driving high-power LEDs in applications requiring step-down (buck) conversion from higher voltage supplies. It features adjustable output current, enabling precise control of LED brightness and efficiency. Additionally, the LM3409HVMY is used in street lighting, display backlighting, and signage, where stable and reliable LED operation is crucial. Its wide input voltage range and robust thermal performance make it versatile for various power supply conditions.

Package

The LM3409HVMY is a high voltage LED driver controller from Texas Instruments, typically available in an 8-pin HTSSOP (Heat-Sink Thin Shrink Small Outline Package) package. This package type helps in efficient heat dissipation, suitable for applications requiring robust thermal management.

與LM3409HVMY相關的產品