LM3414MR

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LM3414MR

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  • HerstellerTexas Instruments

  • Herstellerteil #LM3414MR

  • Auf Lager8044

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Spezifikationen

Attribut Wert
Brand Texas Instruments
Product Type LED Lighting Drivers
Subcategory Driver ICs
Number of Outputs 1 Output
Number of Channels 1 Channel

Übersicht

Description

The LM3414MR is a high-efficiency, step-down (buck) LED driver designed for driving LED strings in various applications. It operates from a wide input voltage range of 4.5V to 40V and can deliver up to 1.5A of output current, making it suitable for automotive, industrial, and decorative lighting applications. The device includes features such as built-in thermal and overcurrent protection, enabling reliable operation.
The LM3414MR uses a constant current control mechanism to ensure consistent LED brightness, and it supports PWM dimming for enhanced flexibility in brightness control. It has an adjustable output voltage with an external resistor that allows users to set the desired current. The IC also includes a high-side current sense, which simplifies the circuit design.
Its compact size and efficiency make the LM3414MR a popular choice for designers looking to implement robust LED lighting solutions while minimizing thermal issues and maximizing battery life in portable applications.

Equivalent

Equivalent products to the LM3414MR include the LM3405, TPS92641, and LM3407. These chips serve similar functions in driving LED applications with constant current control. Always check specific datasheets for detailed specifications and compatibility to ensure proper functionality in your design.

Features

The LM3414MR is a high-efficiency LED driver designed for applications requiring constant current regulation. Key features include:
1. Constant Current Output: Delivers a programmable output current, allowing precise LED brightness control.
2. Wide Input Voltage Range: Operates from 8V to 60V, making it versatile for various applications.
3. Integrated Switching Regulator: High-efficiency operation with minimal external components needed.
4. Dimming Capability: Supports both PWM and analog dimming methods for flexible brightness control.
5. Thermal Protection: Built-in thermal shutdown feature ensures safe operation under varying conditions.
6. Adjustable Frequency: Switching frequency is adjustable, allowing optimization for efficiency and performance.
7. Compact Package: Offered in a small surface-mount package (SO-8), suitable for space-constrained designs.
8. Fault Protection: Features such as open LED protection enhance reliability and performance in adverse conditions.
Overall, the LM3414MR is ideal for driving LED strings in automotive, outdoor lighting, and general illumination applications.

Pinout

The LM3414MR is a high-efficiency LED driver with a pin count of 8. Its primary functions include:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node, connects to the inductor.
3. GND (Pin 3): Ground reference.
4. COMP (Pin 4): Compensation pin for stability.
5. CSN (Pin 5): Current sense negative input.
6. CSP (Pin 6): Current sense positive input.
7. Rset (Pin 7): Sets the LED current through an external resistor.
8. EN (Pin 8): Enable pin to turn the device on/off.
The LM3414MR is designed for driving LEDs in applications requiring high efficiency and flexibility in output current control.

Manufacturer

The LM3414MR is manufactured by Texas Instruments (TI), a well-known American technology company. Texas Instruments specializes in designing and producing semiconductors and various integrated circuits, which are essential components in electronic devices. Founded in 1930, TI is recognized for its innovations in analog and embedded processing technologies. The company serves a wide range of markets, including automotive, industrial, communications, and consumer electronics. TI is particularly noted for its expertise in power management solutions, amplifiers, and microcontrollers, making it a key player in the semiconductor industry. The LM3414MR itself is a high-efficiency LED driver, showcasing TI's commitment to providing advanced solutions for lighting applications.

Application

The LM3414MR is a high-efficiency, step-down (buck) LED driver primarily used in applications such as LED lighting systems, automotive lighting, and architectural lighting. It supports a wide input voltage range, making it suitable for battery-operated devices and various power supplies. This IC is also applicable in signage and display backlighting, ensuring consistent brightness control. Additionally, its capability to handle multiple LED configurations makes it ideal for general-purpose LED driving needs in consumer electronics and industrial applications.

Package

The LM3414MR is offered in a 10-pin MSOP (Thin Shrink Small Outline Package) format. This package type is compact and suitable for surface-mount applications, making it ideal for space-constrained designs in LED driver circuits.

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