TLC59401RHBR

Product Overview

Category

The TLC59401RHBR belongs to the category of integrated circuits (ICs) specifically designed for LED lighting applications.

Use

This product is primarily used for controlling and driving LEDs in various lighting systems, such as automotive lighting, architectural lighting, and display backlighting.

Characteristics

• The TLC59401RHBR is a high-performance LED driver IC that offers precise current control for each individual LED.
• It supports grayscale PWM (Pulse Width Modulation) control, allowing smooth and accurate dimming of LEDs.
• This IC has a built-in 16-bit shift register, which simplifies the control interface and reduces the number of required external components.
• It operates with a wide supply voltage range, typically from 3V to 5.5V, making it compatible with a variety of power sources.
• The TLC59401RHBR is designed to withstand high temperatures, making it suitable for demanding environments.

Package

The TLC59401RHBR is available in a compact and industry-standard QFN (Quad Flat No-Lead) package, which ensures easy integration into circuit boards.

Essence

The essence of the TLC59401RHBR lies in its ability to provide precise current control and dimming capabilities for LED lighting applications, enhancing the visual experience while maintaining energy efficiency.

Packaging/Quantity

This product is typically sold in reels or tubes, containing a specified quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Supply Voltage: 3V to 5.5V
• Number of Channels: 16
• Grayscale Control: 4096 steps (12-bit)
• Maximum Output Current per Channel: 120 mA
• Operating Temperature Range: -40°C to +85°C
• Package Type: QFN

Detailed Pin Configuration

The TLC59401RHBR features a 32-pin QFN package with the following pin configuration:

1. OUT0
2. OUT1
3. OUT2
4. OUT3
5. OUT4
6. OUT5
7. OUT6
8. OUT7
9. OUT8
10. OUT9
11. OUT10
12. OUT11
13. OUT12
14. OUT13
15. OUT14
16. OUT15
17. GND
18. VCC
19. SOUT
20. SIN
21. XLAT
22. BLANK
23. GSCLK
24. VPRG
25. DCPRG
26. VREF
27. AGND
28. AVCC
29. IREF
30. XERR
31. XERRB
32. VDD

Functional Features

• Precise current control for each LED channel, ensuring uniform brightness and color accuracy.
• Grayscale PWM control enables smooth dimming of LEDs without visible flickering.
• Built-in shift register simplifies the control interface and reduces external component count.
• Error detection and reporting through the XERR and XERRB pins for enhanced system reliability.
• Flexible power supply voltage range allows compatibility with various power sources.

Advantages and Disadvantages

Advantages

• High precision and accuracy in LED current control.
• Smooth and flicker-free dimming capabilities.
• Simplified control interface and reduced external component count.
• Wide operating temperature range for versatile applications.
• Suitable for demanding environments due to its high-temperature tolerance.

Disadvantages

• Limited to 16 channels, which may not be sufficient for large-scale LED lighting systems.
• Requires additional external components for thermal management in high-power applications.

Working Principles

The TLC59401RHBR operates based on the principle of Pulse Width Modulation (PWM). It receives control signals from a microcontroller or other control circuitry and converts them into precise current levels for each LED channel. By adjusting the duty cycle of the PWM signal, the IC controls the average current flowing through the LEDs, resulting in varying brightness levels.

Detailed Application Field Plans

The TLC59401RHBR finds extensive application in various fields, including:

1. Automotive Lighting: Used for controlling LED headlights, taillights, and interior lighting systems in vehicles.
2. Architectural Lighting: Enables dynamic and energy-efficient LED lighting solutions for buildings, bridges, and landmarks.
3. Display Backlighting: Provides precise control over LED backlighting in LCD displays, ensuring optimal brightness and contrast.
4. Stage Lighting: Offers versatile dimming capabilities for stage lighting fixtures, enhancing visual effects during performances.
5. Signage and Advertising: Enables vibrant and attention-grabbing LED signs and displays for advertising purposes.

Detailed and Complete Alternative Models

• TLC5940: Similar LED driver IC with 16 channels and grayscale PWM control.
• TLC59711: LED driver IC with 12-bit grayscale