TLC5947 PWM LED driver module
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The TLC5947 PWM LED Driver Module is a versatile and efficient driver designed specifically for controlling LEDs with high precision. This module integrates the TLC5947, a 24-channel, 12-bit PWM (Pulse Width Modulation) driver that enables smooth and accurate brightness control for individual LEDs or LED arrays. It is ideal for applications requiring precise lighting control, such as RGB LED displays, LED matrix panels, decorative lighting, and artistic installations.
Key Features:
- 24-channel PWM driver with 12-bit resolution
- Individual LED brightness control
- High grayscale PWM control (4096 steps)
- Dot correction provides consistent LED color
- SPI interface for easy communication with microcontrollers
- Internal oscillator eliminates need for external clock
- Thermal shutdown protection
- Daisy-chainable for expanding number of channels
- Compact size for easy integration into projects
- Driver IC: TLC5947
- Number of Channels: 24
- Resolution: 12-bit (4096 gray levels)
- PWM Frequency: Adjustable up to 30 kHz
- Supply Voltage: 3V to 5.5V DC
- Interface: SPI (Serial Peripheral Interface)
- Output Current per Channel: 38mA
- Operating Temperature Range: -40°C to +85°C
- RGB LED displays
- LED matrix panels
- Decorative lighting
- Art installations
- Automotive lighting
- Signage and advertising displays
- DIY electronics projects
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment