Overview
The TLC5923DAPR is a high-performance LED driver integrated circuit (IC) manufactured by Texas Instruments. Designed for applications requiring precise control of LED lighting, this IC belongs to the category of constant-current LED drivers. It is widely used in automotive, industrial, and consumer electronics for its reliability and efficiency. The TLC5923DAPR is particularly suited for applications requiring high-density LED arrays, offering a unique combination of features that enhance performance and simplify design.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 16 | - | Independent control for each channel |
| Output Current | 20 | mA | Adjustable via external resistor |
| Supply Voltage | 3.0 to 5.5 | V | Wide operating range |
| Data Transfer Rate | 30 | MHz | High-speed data transfer |
| Operating Temperature | -40 to 85 | °C | Suitable for harsh environments |
| Package | HTSSOP-32 | - | Compact and robust design |
| Dimming Control | PWM | - | Supports precise brightness control |
| ESD Protection | ±2 | kV | Enhanced reliability |
Key Features
- 16-Channel Constant-Current Output: Enables independent control of multiple LEDs with uniform brightness.
- PWM Dimming Control: Allows precise brightness adjustment for dynamic lighting effects.
- High Data Transfer Rate: Supports fast data transmission for real-time applications.
- Wide Operating Voltage Range: Compatible with a variety of power supplies, enhancing versatility.
- Robust ESD Protection: Ensures reliability in demanding environments.
Applications
The TLC5923DAPR is ideal for a wide range of applications, including:
- Automotive Lighting: Used in dashboard displays, interior lighting, and exterior signal lights.
- Industrial Displays: Suitable for LED signage, machine status indicators, and control panels.
- Consumer Electronics: Commonly used in TVs, monitors, and decorative lighting systems.
- Architectural Lighting: Enables dynamic and energy-efficient lighting designs for buildings and landscapes.
Q & A
1. What is the maximum output current per channel?
The maximum output current per channel is 20 mA, which can be adjusted using an external resistor.
2. Is the TLC5923DAPR compatible with 3.3V systems?
Yes, it operates within a supply voltage range of 3.0 to 5.5V, making it compatible with 3.3V systems.
3. How many LEDs can be controlled by a single IC?
The TLC5923DAPR can control up to 16 LEDs independently, one per channel.
4. Does it support PWM dimming?
Yes, it supports PWM dimming for precise brightness control.
5. What is the data transfer rate?
The data transfer rate is up to 30 MHz, enabling high-speed communication.
6. Can it operate in high-temperature environments?
Yes, it has an operating temperature range of -40°C to 85°C, suitable for harsh conditions.
7. What package does the TLC5923DAPR come in?
It is available in an HTSSOP-32 package, which is compact and robust.
8. Does it include ESD protection?
Yes, it features ±2 kV ESD protection for enhanced reliability.
9. Is it suitable for automotive applications?
Yes, its robust design and wide operating range make it ideal for automotive lighting.
10. Can it be used for RGB LED control?
Yes, it can be used to control RGB LEDs by assigning multiple channels to each color component.
