TLC59482DBQ

Product Overview

Category

The TLC59482DBQ belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for driving LEDs (Light Emitting Diodes) in various applications.

Characteristics

• The TLC59482DBQ is a 16-channel constant current LED driver.
• It supports grayscale PWM (Pulse Width Modulation) control for each channel.
• This IC operates with a supply voltage range of 3V to 5.5V.
• It has a built-in thermal shutdown protection feature.
• The TLC59482DBQ offers high accuracy and precision in LED current control.

Package

The TLC59482DBQ comes in a DBQ package, which stands for SSOP (Shrink Small Outline Package). This package type provides a compact and space-saving solution for PCB (Printed Circuit Board) designs.

Essence

The essence of the TLC59482DBQ lies in its ability to efficiently drive and control multiple LEDs simultaneously, enabling the creation of visually appealing lighting effects.

Packaging/Quantity

This IC is typically available in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 3V to 5.5V
• Number of Channels: 16
• Grayscale Control: 4096 steps
• Maximum Output Current per Channel: 120 mA
• Thermal Shutdown Protection: Yes
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TLC59482DBQ features a total of 32 pins, distributed as follows:

1. VCC
2. GND
3. SIN
4. SCLK
5. XLAT
6. BLANK
7. DCPRG
8. VPRG
9. OUT0
10. OUT1
11. OUT2
12. OUT3
13. OUT4
14. OUT5
15. OUT6
16. OUT7
17. OUT8
18. OUT9
19. OUT10
20. OUT11
21. OUT12
22. OUT13
23. OUT14
24. OUT15
25. IREF0
26. IREF1
27. IREF2
28. IREF3
29. IREF4
30. IREF5
31. IREF6
32. IREF7

Functional Features

• Grayscale PWM Control: The TLC59482DBQ allows precise control of LED brightness through grayscale PWM modulation, providing smooth and accurate lighting effects.
• Daisy Chain Capability: Multiple TLC59482DBQ ICs can be daisy-chained together to drive a larger number of LEDs without the need for additional microcontroller pins.
• Error Detection: This IC incorporates error detection mechanisms to ensure reliable LED driving and prevent potential issues such as overcurrent or open-circuit conditions.

Advantages and Disadvantages

Advantages

• High precision and accuracy in LED current control.
• Compact package size for space-constrained designs.
• Daisy chain capability simplifies LED driving in large-scale applications.
• Error detection mechanisms enhance reliability.

Disadvantages

• Limited to driving LEDs and not suitable for other types of loads.
• Requires external components for proper operation (e.g., resistors for setting LED currents).

Working Principles

The TLC59482DBQ operates by receiving control signals from a microcontroller or other control circuitry. It uses these signals to generate PWM signals that control the current flowing through each LED channel. By adjusting the duty cycle of the PWM signals, the desired brightness levels of the connected LEDs can be achieved.

Detailed Application Field Plans

The TLC59482DBQ finds applications in various fields, including:

1. Automotive Lighting: Used for interior and exterior lighting applications in vehicles.
2. Signage and Displays: Enables dynamic and eye-catching LED-based signage and display systems.
3. Architectural Lighting: Provides control and flexibility in architectural lighting installations.
4. Entertainment and Stage Lighting: Used to create stunning lighting effects in concerts, theaters, and other live performances.
5. Consumer Electronics: Integrated into products such as TVs, gaming consoles, and smart home devices to enhance visual aesthetics.

Detailed and Complete Alternative Models

• TLC59481DBQ: Similar to the TLC59482DBQ but with 8 channels instead of 16.
• TLC59483DBQ: Similar to the TLC59482DBQ but with 24 channels instead of 16.
• TLC59471DBQ: A 24-channel constant current LED driver with additional features like dot correction and grayscale PWM control.

(Note: The above alternative models are provided for reference and may have different specifications and pin configurations.)

In conclusion, the TLC59482DBQ is a versatile LED driver IC that offers precise control over multiple LEDs.