TLC5927IDBQR

The TLC5927IDBQR is a 16-channel constant-current LED driver IC designed for driving LEDs in display and lighting applications. It features a serial interface that allows easy control of individual LED brightness levels and provides consistent current output for uniform LED illumination.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VCC: Positive Power Supply
• GND: Ground
• SIN: Serial Data Input
• SCLK: Serial Clock Input
• XLAT: Latch Clock Input
• BLANK: Blank LED Outputs
• DCPRG: Data Change Propagation
• VLED: LED Power Supply
• IREF: Reference Current Output

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the TLC5927IDBQR IC for a visual representation.

Key Features

• 16-Channel Constant-Current Driver: Provides precise current control for up to 16 LEDs, ensuring consistent brightness levels.
• Serial Interface: Allows easy daisy-chaining of multiple TLC5927IDBQR devices for controlling larger LED arrays.
• High Efficiency: The constant-current architecture minimizes power dissipation and improves LED longevity.
• PWM Control: Supports pulse-width modulation for dimming LED brightness levels and creating dynamic lighting effects.
• Overtemperature Protection: Includes built-in thermal shutdown to protect the IC from overheating.

Note: For detailed technical specifications, please refer to the TLC5927IDBQR datasheet.

Application

• LED Displays: Ideal for driving LED displays with multiple brightness levels and color mixing capabilities.
• Architectural Lighting: Suitable for architectural lighting applications requiring dynamic control of LED brightness and colors.
• Signage: Used in signage applications for illuminating letters, symbols, and graphics with vibrant LED lighting.

Functionality

The TLC5927IDBQR is a versatile LED driver IC that enables precise control over LED brightness levels, making it ideal for various display and lighting applications.

Usage Guide

• Power Supply: Connect VCC (Pin 1) to the positive power supply and GND (Pin 2) to ground.
• LED Connections: Connect the LED anodes to the VLED pin and the cathodes to the corresponding LED outputs.
• Data Control: Use the serial interface (SIN, SCLK) to send brightness control data to the IC.

Frequently Asked Questions

Q: Can the TLC5927IDBQR drive RGB LEDs?
A: Yes, the TLC5927IDBQR can drive RGB LEDs by individually controlling the current output for each color channel.

Q: Is the TLC5927IDBQR compatible with 5V microcontrollers?
A: Yes, the TLC5927IDBQR can be interfaced with 5V microcontrollers through level shifting techniques to ensure compatibility.