TLC5916 8-Bit Constant-Current LED Sink Driver | TI.com

TLC5916 (ACTIVE)

8-Bit Constant-Current LED Sink Driver

8-Bit Constant-Current LED Sink Driver - TLC5916
Datasheet
TLC591x 8-Channel Constant-Current LED Sink Drivers datasheet (Rev. D)
 

Description

The TLC591x Constant-Current LED Sink Drivers are designed to work alone or cascaded. Since each output is independently controlled, they can be programmed to be on or off by the user. The high LED voltage (VLED) allows for the use of a single LED per output or multiple LEDs on a single string. With independently controlled outputs supplied with constant current, the LEDs can be combined in parallel to create higher currents on a single string. The constant sink current for all channels is set through a single external resistor. This allows different LED drivers in the same application to sink various currents which provides optional implementation of multi-color LEDs. An additional advantage of the independent outputs is the ability to leave unused channels floating. The flexibility of the TLC591x LED drivers is ideal for applications such as (but not limited to): 7-segment displays, scrolling single color displays, gaming machines, white goods, video billboards and video panels.

Features

  • Eight Constant-Current Output Channels
  • Output Current Adjusted Through Single External Resistor
  • Constant Output Current Range: 3-mA to 120-mA per Channel
  • Constant Output Current Invariant to Load Voltage Change
  • Open Load, Short Load and Overtemperature Detection
  • 256-Step Programmable Global Current Gain
  • Excellent Output Current Accuracy:
    • Between Channels: < ±3% (Maximum)
    • Between ICs: < ±6% (Maximum)
  • Fast Response of Output Current
  • 30-MHz Clock Frequency
  • Schmitt-Trigger Input
  • 3.3-V or 5-V Supply Voltage
  • Maximum LED Voltage 20-V
  • Thermal Shutdown for Overtemperature Protection
  • APPLICATIONS
    • General LED Lighting Applications
    • LED Display Systems
    • LED Signage
    • Automotive LED Lighting
    • White Goods
    • Gaming Machines/Entertainment

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Features
Analog Dimming Steps
Data Transfer Rate (Typ) (MHz)
Ch to Ch Accuracy (Typ) (+/- %)
Rating
Operating Temperature Range (C)
Pin/Package
TLC5916 TLC59025 TLC5917 TLC5925 TLC5926 TLC5927
Error Flag
Fault Detection
LED Open Detection
LED Short to Ground Detection
LED Short to VLED Detection
ON/OFF LED Driver
Thermal Shutdown    		 Thermal Shutdown     Error Flag
Fault Detection
LED Open Detection
LED Short to Ground Detection
LED Short to VLED Detection
ON/OFF LED Driver
Thermal Shutdown    		 Thermal Shutdown     Error Flag
Fault Detection
LED Open Detection
LED Short to Ground Detection
LED Short to VLED Detection
ON/OFF LED Driver
Thermal Shutdown    		 LED Open Detection
LED Short to Ground Detection
LED Short to VLED Detection
Thermal Shutdown    
256       256       256     256    
30     30     30     30     30     30    
3     5     3     4     6     6    
Catalog     Catalog     Catalog     Catalog     Catalog     Catalog    
-40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125     -40 to 125    
16PDIP
16SOIC
16TSSOP    		 24SSOP     16PDIP
16SOIC
16TSSOP    		 24SOIC
24SSOP
24TSSOP    		 24HTSSOP
24SOIC
24SSOP    		 24HTSSOP
24SOIC
24SSOP