MAX16931BAGLR/VY+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Automotive LED driver
• Characteristics: High efficiency, compact size, wide input voltage range
• Package: 4mm x 4mm, 20-pin TQFN package
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 65V
• Output Current: Up to 1A
• Switching Frequency: 200kHz to 2.2MHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX16931BAGLR/VY+T features a 20-pin TQFN package with the following pin configuration: 1. VIN 2. SW 3. GND 4. FB 5. EN 6. SS/TRK 7. VDD 8. PGND 9. AGND 10. LX 11. BST 12. COMP 13. RT 14. SS/TRK 15. DIM 16. PWM 17. ISET 18. VOUT 19. VOUT 20. VOUT

Functional Features

• Wide input voltage range for automotive applications
• High efficiency synchronous buck LED driver
• Adjustable switching frequency
• Overvoltage and overcurrent protection
• Thermal shutdown and overtemperature protection

Advantages and Disadvantages

Advantages

• Compact size for space-constrained applications
• Wide input voltage range allows for versatile use in automotive systems
• High efficiency minimizes power loss and heat generation
• Comprehensive protection features enhance reliability

Disadvantages

• Higher cost compared to non-automotive LED drivers
• Requires careful thermal management due to high power density

Working Principles

The MAX16931BAGLR/VY+T is a synchronous buck LED driver designed for automotive applications. It efficiently regulates the LED current by adjusting the duty cycle of the internal MOSFETs based on the feedback from the LED string. The device operates at a high switching frequency, enabling compact external components and minimizing output ripple.

Detailed Application Field Plans

The MAX16931BAGLR/VY+T is well-suited for various automotive lighting applications, including: - Exterior LED lighting systems - Interior LED mood lighting - Daytime running lights (DRL) - Headlight and taillight modules - Dashboard and instrument cluster illumination

Detailed and Complete Alternative Models

For those seeking alternative LED driver options, the following models can be considered: - Texas Instruments TPS92661-Q1 - Infineon ILD8150/ILD8150E - Analog Devices LT3952/LT3952A

In conclusion, the MAX16931BAGLR/VY+T is a highly efficient and versatile automotive LED driver suitable for a wide range of lighting applications. Its compact size, wide input voltage range, and comprehensive protection features make it an ideal choice for demanding automotive environments.

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