TM512AD DMX512 LED Driver IC with High-Precision Constant Current Output

TM512AD DMX512 LED Driver IC with High-Precision Constant Current Output

The TM512AD is a highly advanced DMX512 differential parallel protocol LED driver IC designed for precise constant current output across 1 to 4 channels. With a grayscale resolution of up to 65536 levels, this driver is ideal for complex lighting systems, offering exceptional flexibility and reliability in demanding applications.

Key Features of the TM512AD

• DMX512 Protocol Compatibility: Fully compatible with DMX512 (1990) signal protocol and supports up to 512 protocol signals. It allows for easy expansion of DMX512 systems.
• Differential Parallel Control: Supports up to 4096 channels for addressing, providing high flexibility for large installations.
• Adaptive Decoding Technology: Offers high-precision decoding of DMX512 signals, adapting to transmission speeds from 200Kbps to 1000Kbps without requiring any rate adjustments.
• Integrated 485 Module: The TM512AD has a built-in 485 module, offering high differential signal resolution and large input impedance to significantly improve load-handling capacity.
• Internal Pull-up Resistor: The AI pin includes an internal pull-up resistor, providing enhanced immunity to interference, especially when the AIBI line is floating.
• Online Code Writing: Supports online writing of code via AB lines, making wiring simpler and more flexible. The maximum wiring distance is limited by the AIBI bus length.
• Independent Parameter Writing: Allows for parameter writing independently of code writing. Parameters like power-up lighting state, field selection, and current adjustment can be set without the need for rewiring.
• High-Precision Constant Current Output: Each channel provides constant current output from 10mA to 200mA, with 64 independent adjustment levels. The chip ensures ±3% accuracy between chips and channels for high-quality lighting control.
• Current Adjustment and Modes: The chip features an independent 4-color current setting mode and allows for precise adjustment of each channel’s current output, with 64 levels of adjustment available.
• Advanced Refresh Rate: The TM512AD supports a high refresh rate of up to 4KHz, ensuring flicker-free performance for dynamic video and lighting applications.
• Built-in 5V Regulator: Simplifies power supply design by integrating a 5V voltage regulator.
• Voltage and Temperature Protection: The RGBW output channels can withstand voltages up to 30V, and the chip includes over-temperature protection to ensure safe operation in harsh environments.
• Low Voltage Operation: The TM512AD can operate at voltages as low as 2.5V, improving system stability in low-voltage power supply environments.
• Interference Protection: Built-in anti-interference module to reduce noise and ensure stable operation in environments with electrical interference.
• Output Channel Hysteresis: A built-in 80ns delay on output channels minimizes power surge interference and improves signal integrity.

Technical Specifications

Parameter Settings

• Power-up Lighting State: Select RGBW output combinations for power-up, useful for creating unique branding or lighting effects on startup.
• Field Selection: Choose between 1, 2, or 4 fields to optimize data transmission when expanding. This reduces data transmission volume, making large-scale setups more efficient.
• No Signal Lighting State: Determine whether the system should display the last frame or return to the power-up lighting state when no signal is received for 1 second.
• Current Adjustment: Provides 64 levels of current adjustment, allowing fine-tuned control of each output channel’s current.

Applications

• Point Light Sources: Ideal for decorative lighting, such as signs, architectural accents, and accent lighting.
• Linear Lights & Wall Wash Lights: Perfect for linear and wall-washing effects, adding dynamic color and visual interest to spaces.
• Stage Lighting Systems: Designed for high-end stage lighting effects in concerts, theaters, and performance venues.
• Indoor/Outdoor Video Walls: Ideal for large-scale video display applications, both indoors and outdoors.
• Architectural Lighting: Excellent for creating visually stunning lighting effects in architectural applications.
• Decorative Lighting Systems: Suitable for custom, creative lighting projects that require precise control over color, brightness, and visual effects.

Package Options

• ESSOP10: Compact and durable package designed for easy integration into lighting systems.

Why Choose TM512AD?

• High Precision: Accurate, adjustable current control with ±3% variation for consistent, high-quality lighting output.
• Easy Integration: With features like online programming, parameter adjustments, and field selection, the TM512AD is designed for quick and easy integration into any DMX512-based system.
• Reliability: The built-in protections, including over-temperature protection and high immunity to electrical interference, ensure the TM512AD’s reliability even in harsh environments.
• Ideal for Complex Installations: With support for up to 4096 channels, high refresh rates, and up to 65536 grayscale levels, this chip is perfect for large-scale, complex lighting systems that demand precision and flexibility.

The TM512AD is an ideal solution for professional lighting applications, providing advanced features like high-resolution grayscale control, flexible current settings, and robust signal decoding. Whether for architectural, stage, or decorative lighting, it delivers superior performance, stability, and ease of use.