TLC5940RHBRG4

16-channel LED driver w/EEprom dot correction & grayscale PWM control

Manufacturer：

Luminary Micro/Texas Instruments

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Manufacturer NO：

TLC5940RHBRG4

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Product SN：

10509-TLC5940RHBRG4

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Package/Case：

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Manufacturer Lead Time：

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Datasheet:

TLC5940RHBRG4 Datasheet PDF

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Detailed Descripition：

PWM control, Serial interface

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Product Application Field：None

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Datasheets PDF TLC5940RHBRG4 Datasheet PDF

Product Description

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 through 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.

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)
- 0 mA to 120 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
30 MHz Data Transfer Rate
CMOS Level I/O
Error Information
- LOD: LED Open Detection
- TEF: Thermal Error Flag