MAX16813ATP+ - English Editing Encyclopedia Entry

Product Overview

Category

MAX16813ATP+ 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 MAX16813ATP+ is a highly efficient LED driver with an integrated switch.
• It operates at a wide input voltage range, making it suitable for different applications.
• This IC offers excellent dimming control capabilities, allowing precise adjustment of LED brightness.
• It provides protection features such as overvoltage, overcurrent, and thermal shutdown.

Package

The MAX16813ATP+ comes in a small 20-pin TQFN package, which ensures compactness and ease of integration into circuit boards.

Essence

The essence of this product lies in its ability to efficiently drive and control high-brightness LEDs, enabling optimal performance and energy efficiency.

Packaging/Quantity

The MAX16813ATP+ is typically packaged 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
• Dimming Control: Analog/PWM
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MAX16813ATP+ has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for regulating output current
4. EN: Enable pin for turning the device on/off
5. DIM: Dimming control pin (analog or PWM)
6. VSET: Voltage reference pin for setting the output current
7. VCC: Supply voltage pin for internal circuitry
8. PGND: Power ground pin
9. LX: Inductor switch node pin
10. BST: Boost capacitor connection pin
11. SW: Switching node pin
12. SS/TR: Soft-start/thermal shutdown pin
13. SYNC: Synchronization input pin
14. RT: External resistor connection for setting switching frequency
15. COMP: Compensation pin for loop stability
16. CS: Current sense pin
17. AGND: Analog ground pin
18. ADJ: Output current adjustment pin
19. VOUT: Output voltage pin
20. NC: No connect pin

Functional Features

The MAX16813ATP+ offers several functional features that enhance its performance and usability:

1. High Efficiency: The integrated switch and advanced control algorithms ensure high power conversion efficiency, minimizing energy losses.
2. Dimming Control: The IC supports both analog and PWM dimming control methods, allowing precise adjustment of LED brightness.
3. Protection Mechanisms: It incorporates various protection features such as overvoltage, overcurrent, and thermal shutdown, ensuring safe operation and preventing damage to the LEDs and the driver itself.
4. Wide Input Voltage Range: The device can operate within a wide input voltage range, making it suitable for a variety of applications.
5. Compact Package: The small TQFN package enables easy integration into space-constrained designs.

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings.
• Precise dimming control allows customization of lighting levels.
• Integrated protection mechanisms enhance reliability and safety.
• Wide input voltage range increases versatility.
• Compact package facilitates integration into compact designs.

Disadvantages

• Limited output current range may not be suitable for high-power LED applications.
• Requires careful thermal management due to the high power dissipation.

Working Principles

The MAX16813ATP+ operates as a buck-boost LED driver. It regulates the output current to the connected LEDs by adjusting the duty cycle of the internal switch. The feedback mechanism compares the sensed current with the desired value and adjusts the switch accordingly. This control loop ensures stable and accurate LED current regulation.

Detailed Application Field Plans

The MAX16813ATP+ finds applications in various fields, including:

1. Automotive Lighting: Used for driving high-brightness LEDs in automotive headlights, taillights, and interior lighting systems.
2. General Lighting: Suitable for controlling LEDs in residential, commercial, and industrial lighting fixtures.
3. Display Backlighting: Enables efficient and precise dimming control in LCD and OLED display backlighting applications.
4. Signage and Advertising: Provides reliable LED driving capabilities for outdoor and indoor signage boards and advertising displays.
5. Architectural Lighting: Used in architectural lighting installations to achieve dynamic and energy-efficient illumination effects.

Detailed and Complete Alternative Models

1. MAX16813BTP+: Similar to MAX16813ATP+, but with extended temperature range (-40