TLC59461PWP

Product Overview

Category

The TLC59461PWP belongs to the category of integrated circuits (ICs) specifically designed for driving LEDs.

Use

This product is primarily used for controlling and driving LED displays, making it suitable for various applications such as signage, lighting systems, and electronic displays.

Characteristics

• High precision: The TLC59461PWP offers precise current control for each individual LED, ensuring accurate brightness levels.
• Multiplexing capability: It supports multiplexing, allowing efficient control of multiple LEDs with fewer pins.
• Daisy-chainable: This IC can be easily daisy-chained with other TLC59461PWPs, enabling control of a large number of LEDs using a single microcontroller.
• PWM grayscale control: It provides Pulse Width Modulation (PWM) grayscale control, allowing smooth and flicker-free dimming of LEDs.
• Wide voltage range: The TLC59461PWP operates within a wide voltage range, making it compatible with various power supply configurations.

Package and Quantity

The TLC59461PWP is available in a TSSOP-28 package. Each package contains one IC.

Specifications

• Supply voltage: 3V to 5.5V
• Number of channels: 16
• Maximum output current per channel: 120 mA
• Communication interface: Serial (SPI)
• Operating temperature range: -40°C to +85°C

Pin Configuration

The TLC59461PWP has a total of 28 pins, which are assigned as follows:

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. VCC
18. GND
19. BLANK
20. XLAT
21. SCLK
22. SIN
23. DCPRG
24. VPRG
25. GSCLK
26. XERR
27. MODE
28. VREF

Functional Features

• LED current control: The TLC59461PWP allows precise control of the current flowing through each LED, ensuring consistent brightness levels.
• Grayscale control: It supports 12-bit grayscale control, enabling smooth and accurate dimming of LEDs.
• Multiplexing capability: With its multiplexing feature, this IC can drive multiple LEDs using a reduced number of pins, optimizing space and reducing complexity in LED display designs.
• Daisy-chaining: Multiple TLC59461PWPs can be easily daisy-chained, simplifying the control of large LED arrays.
• Error detection: The XERR pin provides error detection functionality, allowing for efficient troubleshooting and fault identification.

Advantages and Disadvantages

Advantages

• Precise current control ensures uniform brightness across LEDs.
• Smooth and flicker-free dimming capability.
• Daisy-chainable design simplifies LED array control.
• Wide operating voltage range enhances compatibility.
• Error detection feature aids in troubleshooting.

Disadvantages

• Limited to driving LEDs and not suitable for other applications.
• Requires additional components for proper operation (e.g., resistors, capacitors).

Working Principles

The TLC59461PWP utilizes Pulse Width Modulation (PWM) to control the current flowing through each LED. By adjusting the duty cycle of the PWM signal, the brightness of the LED can be varied. The IC receives control signals from a microcontroller via the SPI interface, allowing for precise control of individual LEDs or groups of LEDs.

Application Field Plans

The TLC59461PWP finds extensive application in various fields, including: - LED signage and displays - Architectural lighting systems - Automotive lighting - Entertainment lighting - Consumer electronics

Alternative Models

Other alternative models that offer similar functionality to the TLC59461PWP include: - TLC5947 - MAX7219 - TLC59711 - IS31FL3731

These alternative models can be considered based on specific project requirements and compatibility with existing designs.

In conclusion, the TLC59461PWP is a highly versatile integrated circuit designed for driving LEDs. With its precise current control, multiplexing capability, and daisy-chainability, it offers numerous advantages for LED display applications. However, it is important to consider alternative models depending on project requirements and compatibility.