TLC5960DA

Product Overview

Category: Integrated Circuit (IC)

Use: The TLC5960DA is a high-performance LED driver IC designed for controlling and driving LED displays. It provides precise current regulation and multiplexing capabilities, making it suitable for a wide range of applications.

Characteristics: - High precision current regulation - Multiplexing capability - Low power consumption - Wide operating voltage range - Compact package size

Package: The TLC5960DA is available in a small outline package (SOP) with 24 pins.

Essence: The essence of the TLC5960DA lies in its ability to accurately control and drive LED displays, enabling vibrant and visually appealing lighting effects.

Packaging/Quantity: The TLC5960DA is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage: 3.3V - 5V
• Maximum Output Current: 120mA
• Number of Channels: 16
• Communication Interface: Serial Peripheral Interface (SPI)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TLC5960DA features a total of 24 pins, each serving a specific function. The detailed pin configuration is as follows:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. SDI: Serial data input
4. SDO: Serial data output
5. SCLK: Serial clock input
6. XLAT: Latch signal input
7. BLANK: Blank signal input
8. GSCLK: Global brightness clock input
9. SIN: Serial data input for cascading multiple devices
10. SOUT: Serial data output for cascading multiple devices
11. XERR: Error flag output 12-27. OUT0-OUT15: LED output pins

Functional Features

The TLC5960DA offers several functional features that enhance its performance and usability:

1. Precise Current Regulation: The IC provides accurate current regulation for each LED channel, ensuring consistent brightness levels across the display.

2. Multiplexing Capability: With 16 channels, the TLC5960DA can multiplex multiple LEDs, reducing the number of required pins and simplifying circuit design.

3. Error Flag Output: The XERR pin indicates any error conditions, such as over-temperature or over-voltage, allowing for timely troubleshooting.

4. Cascading Support: The SIN and SOUT pins enable cascading multiple TLC5960DA devices, expanding the number of controllable LEDs without sacrificing performance.

Advantages and Disadvantages

Advantages: - High precision current regulation ensures uniform brightness - Multiplexing capability reduces pin count and simplifies circuit design - Low power consumption for energy-efficient applications - Wide operating voltage range allows compatibility with various power sources - Compact package size facilitates space-constrained designs

Disadvantages: - Limited maximum output current may restrict usage in high-power LED applications - Requires external components for proper operation (e.g., resistors, capacitors)

Working Principles

The TLC5960DA operates based on the principle of pulse width modulation (PWM). It receives control signals through the SPI interface, which determine the desired brightness levels for each LED channel. The IC then regulates the current flowing through the LEDs accordingly, achieving the desired illumination.

Application Field Plans

The TLC5960DA finds extensive application in various fields, including but not limited to: - LED displays and signage - Automotive lighting systems - Consumer electronics (e.g., TVs, monitors) - Decorative lighting - Industrial control panels

Alternative Models

For users seeking alternative options, the following LED driver ICs can be considered: 1. TLC5940: Similar to the TLC5960DA, but with 16 channels and higher maximum output current. 2. MAX7219: A versatile LED driver IC with multiplexing capabilities and support for matrix displays. 3. HT16K33: An I2C-controlled LED driver IC suitable for low-power applications.

These alternative models offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

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