TLC59281DBQR

Product Overview

• Category: Integrated Circuit (IC)
• Use: LED Driver
• Characteristics: High current sink capability, serial interface, constant current output
• Package: DBQ (Thin Shrink Small Outline Package)
• Essence: Efficiently drives and controls LEDs in various applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3.3V to 5.5V
• Number of Channels: 8
• Maximum Output Current per Channel: 120mA
• Serial Interface: I2C-compatible
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground
2. SDA: Serial Data Input
3. SCL: Serial Clock Input
4. VCC: Power Supply
5. OUT0: Channel 0 Output
6. OUT1: Channel 1 Output
7. OUT2: Channel 2 Output
8. OUT3: Channel 3 Output
9. OUT4: Channel 4 Output
10. OUT5: Channel 5 Output
11. OUT6: Channel 6 Output
12. OUT7: Channel 7 Output

Functional Features

• High current sink capability allows driving high-power LEDs
• Serial interface enables easy control and configuration
• Constant current output ensures uniform brightness across LEDs
• Built-in thermal shutdown protection for safe operation
• Low power consumption in standby mode

Advantages and Disadvantages

Advantages

• High current sink capability enables driving of high-power LEDs
• Serial interface simplifies control and configuration
• Constant current output ensures consistent brightness
• Thermal shutdown protection enhances safety
• Low power consumption in standby mode saves energy

Disadvantages

• Limited number of channels (8)
• Requires an external power supply

Working Principles

The TLC59281DBQR is an LED driver IC that utilizes a serial interface to control and drive LEDs. It operates by receiving commands through the serial data input (SDA) and serial clock input (SCL) pins. The IC then converts these commands into constant current outputs for each channel, ensuring uniform brightness across the connected LEDs. The high current sink capability allows driving of high-power LEDs, making it suitable for various lighting applications.

Detailed Application Field Plans

The TLC59281DBQR LED driver IC finds applications in a wide range of fields, including:

1. Automotive Lighting: Provides efficient control and driving of LEDs used in automotive headlights, taillights, and interior lighting.
2. Display Panels: Enables precise control and uniform illumination of LEDs in display panels for televisions, monitors, and signage.
3. Decorative Lighting: Facilitates the creation of dynamic lighting effects in architectural lighting, stage lighting, and decorative fixtures.
4. Backlighting: Drives LEDs used in backlighting applications for LCD displays, keyboards, and handheld devices.
5. Industrial Lighting: Controls and drives LEDs in industrial lighting fixtures for warehouses, factories, and outdoor areas.

Detailed and Complete Alternative Models

1. TLC59282DBQR: Similar to TLC59281DBQR but with 16 channels instead of 8.
2. TLC5940DBQR: Offers 16 channels with enhanced grayscale control for more advanced lighting applications.
3. TLC59711DBQR: Provides 12 channels with individual PWM control for precise color mixing in RGB LED applications.

(Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list.)

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