MAX16814BUTP+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX16814BUTP+ belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in various electronic devices and systems for controlling and driving high-brightness LEDs.

Characteristics

• The MAX16814BUTP+ is a highly efficient LED driver with a wide input voltage range.
• It offers precise current regulation, enabling accurate control of LED brightness.
• This IC provides protection features such as thermal shutdown and overvoltage protection.
• It is designed to operate in harsh environments, making it suitable for automotive and industrial applications.

Package

The MAX16814BUTP+ is available in a small 20-pin TSSOP package.

Essence

The essence of this product lies in its ability to efficiently drive high-brightness LEDs while providing protection and precise current regulation.

Packaging/Quantity

The MAX16814BUTP+ is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Current Range: Up to 1.5A
• Operating Temperature Range: -40°C to +125°C
• Dimming Control: Analog/PWM
• Efficiency: Up to 95%
• Protection Features: Thermal Shutdown, Overvoltage Protection

Detailed Pin Configuration

The MAX16814BUTP+ has a total of 20 pins. Here is the detailed pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. VCC: Power supply voltage
4. EN: Enable pin
5. PWM: Pulse width modulation input
6. DIM: Dimming control input
7. FB: Feedback pin
8. CS: Current sense pin
9. VSET: Voltage set pin
10. AGND: Analog ground
11. PGND: Power ground
12. LX: Switching node
13. BST: Bootstrap capacitor connection
14. SW: Switching node
15. SS/TR: Soft-start/Tracking pin
16. COMP: Compensation pin
17. RT: Timing resistor connection
18. CT: Timing capacitor connection
19. ADJ: Adjustable output voltage
20. VOUT: Output voltage

Functional Features

• High efficiency LED driver with wide input voltage range.
• Precise current regulation for accurate LED brightness control.
• Protection features like thermal shutdown and overvoltage protection ensure safe operation.
• Dimming control options through analog or PWM input.
• Designed to withstand harsh environments, making it suitable for automotive and industrial applications.

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power consumption.
• Wide input voltage range allows for versatile application.
• Precise current regulation ensures consistent LED brightness.
• Protection features enhance the reliability and safety of the system.
• Suitable for demanding environments due to its robust design.

Disadvantages

• Limited output current range may not be suitable for high-power LED applications.
• The 20-pin package may require careful PCB layout considerations.

Working Principles

The MAX16814BUTP+ operates as a buck LED driver. It converts the input voltage to a lower regulated voltage required by the LEDs. The IC uses a switching regulator topology to efficiently drive the LEDs while maintaining precise current regulation. The dimming control input allows for adjusting the LED brightness using either analog or PWM signals. The protection features ensure safe operation by monitoring temperature and preventing overvoltage conditions.

Detailed Application Field Plans

The MAX16814BUTP+ finds applications in various fields, including:

1. Automotive lighting systems: Used for driving high-brightness LEDs in automotive headlights, taillights, and interior lighting.
2. Industrial lighting: Suitable for industrial lighting applications where high-brightness LEDs are used for illumination.
3. Signage and display lighting: Enables precise control of LED brightness in signage boards and display panels.
4. Architectural lighting: Used in architectural lighting fixtures to provide efficient and controllable illumination.
5. General lighting: Can be employed in residential and commercial lighting systems for energy-efficient and adjustable lighting solutions.

Detailed and Complete Alternative Models

1. MAX16814BUTP: Similar to MAX16814BUTP+, but without the "+" suffix indicating a specific package option.
2. MAX16814BETP+: A variant with an extended temperature range for more demanding environments.
3. MAX16814BETP: Similar to MAX16814BETP+, but without the "+" suffix indicating a specific package option.
4. MAX16814AETP+: An alternative model with additional features such as fault detection and reporting capabilities.
5. MAX16814AETP: Similar to MAX16814AETP+, but without the "+" suffix indicating a specific package