Overview
The LM3429Q1MH/NOPB is a high-performance LED driver manufactured by Texas Instruments, designed for automotive and industrial applications. This N-channel controller is optimized for constant current LED drivers, offering flexibility in various topologies such as Boost, Buck, and SEPIC. Its robust design and wide input voltage range make it suitable for demanding environments, ensuring reliable performance in LED lighting systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 4.5 to 75 | V | |
| Output Current | 5 | A | |
| Switching Frequency | 100 kHz to 2 MHz | Hz | Adjustable |
| Operating Temperature | -40 to +125 | °C | |
| Package | HTSSOP-14 | ||
| Topology | Boost, Buck, SEPIC | ||
| Qualification | AEC-Q100 | Automotive-grade |
Key Features
- Wide input voltage range (4.5V to 75V) for versatile applications.
- Adjustable switching frequency up to 2MHz for compact designs.
- Supports Boost, Buck, and SEPIC topologies.
- Built-in thermal shutdown and enable/shutdown control for safety.
- Automotive-grade qualification (AEC-Q100) ensures reliability in harsh environments.
Applications
The LM3429Q1MH/NOPB is ideal for automotive LED lighting systems, including headlights, taillights, and interior lighting. Its robust design also makes it suitable for industrial LED applications, such as high-brightness LED drivers and constant current LED modules. The device's flexibility and reliability ensure optimal performance in demanding environments.
Q & A
What is the input voltage range of the LM3429Q1MH/NOPB?
The input voltage range is 4.5V to 75V.
What topologies does the LM3429Q1MH/NOPB support?
It supports Boost, Buck, and SEPIC topologies.
Is the LM3429Q1MH/NOPB suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive environments.
What is the maximum output current of the LM3429Q1MH/NOPB?
The maximum output current is 5A.
Can the switching frequency be adjusted?
Yes, the switching frequency is adjustable up to 2MHz.
What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
Does the LM3429Q1MH/NOPB include thermal protection?
Yes, it features built-in thermal shutdown.
What package does the LM3429Q1MH/NOPB come in?
It is available in an HTSSOP-14 package.
Is the LM3429Q1MH/NOPB RoHS compliant?
Yes, it is RoHS compliant.
What are the key applications of the LM3429Q1MH/NOPB?
It is widely used in automotive and industrial LED lighting systems.
