(China (Mainland))
Product Summary
The TLC5940NT 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. The TLC5940NT 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. The applications of the TLC5940NT include: Monocolor, Multicolor, Fullcolor LED Displays, LED Signboards, Display Backlighting, General, High-Current LED Drive.
Parametrics
TLC5940NT absolute maximum ratings: (1)VI Input voltage range: –0.3 V to 6 V; (2)IO Output current (dc): 130 mA; (3)VI Input voltage range: –0.3 V to VCC +0.3 V; (4)VO Output voltage range: –0.3 V to 18 V; (5)EEPROM program range: –0.3 V to 24 V; (6)EEPROM write cycles: 50; (7)ESD rating: 2KV; (8)Tstg Storage temperature range: –55℃ to 150℃; (9)TA Operating ambient temperature range: –40℃ to 85℃; (10)Package thermal impedance: 35.9℃/W.
Features
TLC5940NT features: (1)16 Channels; (2)12 bit (4096 Steps) Grayscale PWM Control; (3)Dot Correction: 6 bit (64 Steps); Storable in Integrated EEPROM; (4)Drive Capability (Constant Current Sink); (5)LED Power Supply Voltage up to 17 V; (6)VCC = 3 V to 5.5 V; (7)Serial Data Interface, SPI comp; (8)Controlled In-Rush Current; (9)30-MHz Data Transfer Rate; (10)CMOS Level I/O; (11)Error Information: LOD: LED Open Detection; TEF: Thermal Error Flag.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |
 TLC5940NT |
Texas Instruments |
LED Lighting Drivers 4096 Step Grayscale LED Driver |
Data Sheet |
|
|
||||||||||||
|
TLC5940NTG4 |
Texas Instruments |
LED Lighting Drivers 4096 Step Grayscale LED Driver |
Data Sheet |
|
|
||||||||||||
