TLC5940 16CH LED DRIVER IC (PWM-CONTROLLED,DIP,THROUGH-HOLE)

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SKU: PROD0148

The TLC5940 is a 16-channel, constant-current sink LED driver. Each channel has an individually adjustable 4096-step grayscale PWM brightness control and a 64-step, constant-current sink (dot correction).

The TLC5940 is a 16-channel, constant-current sink LED driver. Each channel has an individually adjustable 4096-step grayscale PWM brightness control and a 64-step, constant-current sink (dot correction). The dot correction adjusts the brightness variations between LED channels and other LED drivers. The dot correction data is stored in an integrated EEPROM. Both grayscale control and dot correction are accessible via a serial interface. A single external resistor sets the maximum current value of all 16 channels. The TLC5940 features two error information circuits. The LED open detection (LOD) indicates a broken or disconnected LED at an output terminal. The thermal error flag (TEF) indicates an overtemperature condition.

Features
• 16 Channels
• 12 bit (4096 Steps) Grayscale PWM Control
• Dot Correction
– 6 bit (64 Steps)
– Storable in Integrated EEPROM
• Drive Capability (Constant-Current Sink)
– 0 mA to 60 mA (V CC 3.6 V)
• LED Power Supply Voltage up to 17 V
• V CC = 3 V to 5.5 V
• Serial Data Interface
• Controlled In-Rush Current
• 30MHz Data Transfer Rate
• CMOS Level I/O
• Error Information
– LOD: LED Open Detection
– TEF: Thermal Error Flag

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