Evaluation Boards for LED Drivers are specialized hardware platforms designed to test, validate, and develop lighting control systems. These boards provide engineers with a controlled environment to assess driver performance, thermal management, and compatibility with various LED configurations. As solid-state lighting dominates modern applications, these evaluation tools accelerate innovation in energy efficiency, smart lighting, and dynamic color control across industries.
| Type | Functional Features | Application Examples |
|---|---|---|
| Constant Current Drivers | Maintain stable output current regardless of voltage fluctuations | High-brightness LED streetlights, industrial lighting |
| Constant Voltage Drivers | Provide fixed voltage with variable current control | LED strips, automotive interior lighting |
| PWM Dimming Controllers | Use pulse-width modulation for precise brightness control | Architectural lighting, display backlighting |
| Digital Addressable Controllers | Support protocols like DALI, DMX512 for individual LED control | Smart building systems, stage lighting |
Typical evaluation boards integrate:
| Parameter | Importance |
|---|---|
| Output Current Range (mA) | Determines LED brightness capability |
| Voltage Compliance Range (V) | Affects compatibility with different LED strings |
| Dimming Resolution (bits) | Defines granularity of light control |
| Switching Frequency (kHz) | Influences EMI and efficiency |
| Thermal Shutdown Threshold ( C) | Ensures reliability under stress conditions |
| Communication Protocol Support | Enables system integration capabilities |
Primary industries include:
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| TI (Texas Instruments) | LM3466EVM | Constant current driver with thermal fold-back |
| STMicroelectronics | STEVAL-ILL011V1 | Digital dimming with 16-bit resolution |
| ON Semiconductor | NCL30160LEDGEVB | PWM dimming down to 0.1% |
| Microchip | CL88EVB | High-voltage AC/DC conversion |
| NXP Semiconductors | PCA9901BDB | DALI protocol support |
Key considerations:
Future development focuses on: