Texas Instruments TLC6946RGER
- Part Number:
- TLC6946RGER
- Manufacturer:
- Texas Instruments
- Ventron No:
- 6408565-TLC6946RGER
- Description:
- 16-channel, 16-bit ES-PWM constant-current LED driver with 32 multiplexing
- Datasheet:
- tlc6946
- FeaturesFault Detection
- Analog dimming steps128
- Data transfer rate (typ) (MHz)33
- Ch to ch accuracy (typ) (±%)1.5
- RatingCatalog
- Operating temperature range (°C)-40 to 85
In high-density, fine-pitch LED panel applications, the performance demand formulti-channel LED drivers is increasing to achieve high multiplexing, high PWM resolution, and highrefresh rates. To meet strict display quality requirements, the LED drivers must have the abilityto solve various issues in different LED-matrix application scenarios.
The TLC694x device is a 16-channel, constant-current-sink LED driver. Each channel has anindividually adjustable 65,536 steps of PWM grayscale control. The maximum constant-current valueof all 16 channels is set by a single external resistor with 128 steps of global brightness controlfrom 0.3 mA to 25 mA.
The TLC694x device integrates enhanced circuits to solve the various display issues infine-pitch LED display applications: the low-grayscale uniformity issue, coupling issue, ghostingissue, and caterpillar issue.
The TLC694x device features an LED-open detection function, and the error detectionresults can be read via a serial data interface port. Thermal shutdown and IREF resistor shortprotection ensure a higher system reliability. The TLC694x device also has an smart power-save modethat sets the total current consumption to 1 mA (typical) when all outputs are off.
-
ImagePart NumberManufacturerFeaturesAnalog dimming stepsData transfer rate (typ) (MHz)Ch to ch accuracy (typ) (±%)RatingOperating temperature range (°C)Number of channelsTopologyTI functional safety categoryVin (min) (V)Vin (max) (V)Vout (min) (V)Vout (max) (V)Iout (max) (A)Iq (typ) (mA)View Compare
-
TLC6946RGERFault Detection128331.5Catalog-40 to 85----------
-
Fault Detection128331.5Catalog-40 to 85---------
-
LED Open Detection---Automotive-40 to 12548Current SinkFunctional Safety-Capable35.535.51.53115
-
Dot Correction2048250.5Catalog-40 to 85---------
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