LM3429MHX/NOPB
- Created at: 2023-11-06 15:44:03 , by WikiIC
- Updated at: 2023-11-06 15:44:03
- Views: 7
LM3429MHX/NOPB
Product Overview
- Category: Integrated Circuit (IC)
- Use: LED Driver
- Characteristics: High Efficiency, Wide Input Voltage Range, Adjustable Output Current, Dimming Control
- Package: PowerPAD HTSSOP-20
- Essence: The LM3429MHX/NOPB is a high-performance LED driver IC designed to efficiently drive high-power LEDs in various lighting applications.
- Packaging/Quantity: Available in reels of 2500 units.
Specifications
- Input Voltage Range: 4.5V to 75V
- Output Voltage Range: Up to 60V
- Output Current Range: Up to 1.5A
- Switching Frequency: Adjustable up to 2MHz
- Dimming Control: Analog/PWM
- Operating Temperature Range: -40°C to +125°C
Pin Configuration
The LM3429MHX/NOPB features a 20-pin PowerPAD HTSSOP package with the following pin configuration:
- EN/UVLO: Enable/Input Under-Voltage Lockout
- VCC: Supply Voltage Input
- GND: Ground
- FB: Feedback Voltage Input
- CS: Current Sense Input
- DIM: Dimming Control Input
- SW: Switch Node Connection
- SW: Switch Node Connection
- SW: Switch Node Connection
- SW: Switch Node Connection
- SW: Switch Node Connection
- SW: Switch Node Connection
- SW: Switch Node Connection
- SW: Switch Node Connection
- SW: Switch Node Connection
- SW: Switch Node Connection
- SW: Switch Node Connection
- SW: Switch Node Connection
- SW: Switch Node Connection
- SW: Switch Node Connection
Functional Features
- High Efficiency: The LM3429MHX/NOPB utilizes a high-performance buck-boost controller to achieve efficient power conversion, minimizing energy losses.
- Wide Input Voltage Range: With an input voltage range of 4.5V to 75V, the IC can be used in a wide range of applications.
- Adjustable Output Current: The output current can be easily adjusted using external resistors, allowing flexibility in LED brightness control.
- Dimming Control: The IC supports both analog and PWM dimming control methods, enabling precise control over LED brightness levels.
Advantages and Disadvantages
Advantages: - High efficiency results in reduced power consumption and heat dissipation. - Wide input voltage range allows for versatile application possibilities. - Adjustable output current provides flexibility in LED brightness control. - Dimming control options enable precise lighting adjustments.
Disadvantages: - Limited maximum output current may not be suitable for high-power LED applications. - Complex pin configuration may require careful PCB layout design.
Working Principles
The LM3429MHX/NOPB operates as a buck-boost converter, regulating the output voltage to drive high-power LEDs efficiently. It uses a constant frequency, peak current mode control scheme to maintain stable LED current. The IC incorporates various protection features such as thermal shutdown, input under-voltage lockout, and overcurrent protection to ensure safe operation.
Application Field Plans
The LM3429MHX/NOPB is widely used in various lighting applications, including:
- General Lighting: Indoor and outdoor lighting fixtures, streetlights, and architectural lighting.
- Automotive Lighting: Headlights, taillights, and interior lighting.
- Display Backlighting: LCD monitors, televisions, and signage.
- Industrial Lighting: Warehouse lighting, high bay lighting, and factory illumination.
Alternative Models
- LM3429MH/NOPB: Similar to LM3429MHX/NOPB, but in a different package (20-pin TSSOP).
- LM3409HV/NOPB: High-voltage version of the LM3429MHX/NOPB, suitable for applications requiring higher input voltage capability.
- LM3410X/NOPB: Buck-boost LED driver IC with similar features, but optimized for lower power applications.
Note: The above alternative models are provided as examples and may not cover all available options.
This entry provides an overview of the LM3429MHX/NOPB LED driver IC, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
List 10 common questions and answers related to the application of LM3429MHX/NOPB in technical solutions
Question: What is the maximum input voltage for LM3429MHX/NOPB?
Answer: The maximum input voltage for LM3429MHX/NOPB is 75V.Question: What is the maximum output current capability of LM3429MHX/NOPB?
Answer: LM3429MHX/NOPB has a maximum output current capability of 3A.Question: Can LM3429MHX/NOPB be used in dimmable LED lighting applications?
Answer: Yes, LM3429MHX/NOPB can be used in dimmable LED lighting applications.Question: What is the typical switching frequency of LM3429MHX/NOPB?
Answer: The typical switching frequency of LM3429MHX/NOPB is 1MHz.Question: Is LM3429MHX/NOPB suitable for automotive lighting applications?
Answer: Yes, LM3429MHX/NOPB is suitable for automotive lighting applications.Question: Does LM3429MHX/NOPB have over-temperature protection?
Answer: Yes, LM3429MHX/NOPB features over-temperature protection.Question: What is the recommended operating temperature range for LM3429MHX/NOPB?
Answer: The recommended operating temperature range for LM3429MHX/NOPB is -40°C to 125°C.Question: Can LM3429MHX/NOPB be used in buck-boost LED driver configurations?
Answer: Yes, LM3429MHX/NOPB can be used in buck-boost LED driver configurations.Question: What is the typical efficiency of LM3429MHX/NOPB in LED driver applications?
Answer: The typical efficiency of LM3429MHX/NOPB in LED driver applications is 95%.Question: Is LM3429MHX/NOPB compatible with PWM dimming control?
Answer: Yes, LM3429MHX/NOPB is compatible with PWM dimming control.
- https://chipmlcc.ru/product/details/texas-instruments/lm3429mhx-nopb-4516115.html [PDF download, circuit diagram, pin configuration, detailed specifications, and more electronic component spot channels.]
- https://www.chipmlcc.com/product/details/texas-instruments/lm3429mhx-nopb-4516115.html [PDF download, circuit diagram, pin configuration, detailed specifications, and more electronic component spot channels.]
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