Overview
The LM3429Q1MHX/NOPB, manufactured by Texas Instruments, is a high-performance LED lighting driver designed for automotive applications. This N-channel controller is engineered to provide constant current regulation for LED drivers, supporting various topologies such as Boost, Buck, and SEPIC. Its robust design and versatile functionality make it a preferred choice for automotive lighting systems, ensuring reliable performance under demanding conditions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Product Category | LED Lighting Drivers | - | - |
| Input Voltage Range | 4.5 to 75 | V | - |
| Output Current | 5 | A | - |
| Topology | Boost, Buck, SEPIC | - | - |
| Switching Frequency | 100 kHz to 2 MHz | Hz | Adjustable |
| Operating Temperature | -40 to +125 | °C | - |
| Package | HTSSOP-14 | - | - |
| RoHS Compliance | Yes | - | - |
| Qualification | AEC-Q100 | - | Automotive Grade |
Key Features
- Supports multiple topologies: Boost, Buck, and SEPIC.
- Adjustable switching frequency up to 2 MHz.
- Integrated thermal shutdown and enable/shutdown features.
- Designed for automotive applications, meeting AEC-Q100 standards.
- Wide input voltage range from 4.5 V to 75 V.
Applications
The LM3429Q1MHX/NOPB is primarily used in automotive LED lighting systems, including headlights, taillights, and interior lighting. Its ability to handle a wide input voltage range and support various topologies makes it suitable for both low and high-power LED applications. Additionally, its automotive-grade qualification ensures reliability in harsh environments, making it ideal for electric vehicles and other automotive electronics.
Q & A
What is the maximum input voltage supported by the LM3429Q1MHX/NOPB?
The maximum input voltage is 75 V.
Does this device support PWM dimming?
Yes, it supports both PWM and analog dimming.
What is the operating temperature range?
The operating temperature range is -40°C to +125°C.
Is the LM3429Q1MHX/NOPB RoHS compliant?
Yes, it is RoHS compliant.
What topologies does this LED driver support?
It supports Boost, Buck, and SEPIC topologies.
What is the switching frequency range?
The switching frequency is adjustable from 100 kHz to 2 MHz.
Is this device suitable for automotive applications?
Yes, it is qualified for automotive applications under AEC-Q100 standards.
What is the output current capability?
The output current capability is 5 A.
Does it include thermal shutdown protection?
Yes, it includes thermal shutdown protection.
What is the package type?
The package type is HTSSOP-14.
