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Automotive 16 Channel Full Diagnostics Constant Current RGB LED Driver


Package | PIN: HTSSOP (DAP) | 38
Temp: Q (-40 to 125)
Carrier: Cut Tape
Qty Price
1-9 $2.33
10-24 $2.10
25-99 $1.96
100-249 $1.71
250-499 $1.61
500-749 $1.37
750-999 $1.15
1000+ $1.10


  • AEC-Q100 Qualified for Automotive Applications
    • Device Temperature Grade 1: –40°C to 125°C,TA
  • 16 Constant-Current-Sink Output Channels
    • 50-mA MaximumOutput Current
    • 8-V Maximum OutputVoltage
    • Two Output Groups: OUTRn,OUTBn
  • Output Current Adjustment
    • 7-Bit Dot Correction (DC) for EachChannel
    • 8-Bit Brightness Control (BC) for EachGroup
  • Integrated PWM Grayscale Generator
    • PWM Dimming for Each IndividualChannel
    • Adjustable Global Grayscale Mode: 12-Bit, 10-Bit,8-Bit
  • Protection and Diagnostics
    • LED-Open Detection (LOD), LED-ShortDetection (LSD), Output Short-to-GND Detection (OSD)
    • Adjacent-Pin Short (APS) Detection
    • Pre-Thermal Warning (PTW), Thermal Shutdown (TSD)
    • IREFResistor Open- (IOF) and Short-Detection (ISF) and -Protection
    • Negate Bit Toggle for GCLK Error Detect and LOD_LSD Register ErrorCheck
    • LOD_LSD CircuitSelf-Test
  • Programmable Output Slew Rate
  • Output Channel Group Delay
  • Serial Data Interface

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Texas Instruments  TLC6C5716QDAPRQ1

There are automotive applications for indicators and for LCD local-dimming backlighting.For these applications, more persons think multi-channel constant-current LED drivers arenecessary. The requirement is to get the same intensity and color temperature of LEDs. Forsystem-level safety, it is necessary that the LED drivers can sense faults.

The TLC6C5716-Q1 device is an automotive 16-channel constant-current RGB LED driver thatcan do tests on the LEDs. The TLC6C5716-Q1 device supplies a maximum of 50-mA output current set byan external resistor. The device has a 7-bit dot correction with two ranges for each output. Thedevice also has an 8-bit intensity control for the outputs of each color group.

A 12-,10-, or 8-bit grayscale control adjusts the intensity of each output. The devicehas circuits that sense faults in the system, including LED faults, adjacent-pin short faults,reference-resistor faults, and more. A slew rate control has 2 positions for adjustment to get thelargest decrease in system noise. There is an interval between the changes of output level from oneLED group to a different one. This interval helps to decrease the starting electrical current. TheSDI and SDO pins let more than one device be connected in series for control through 1 serialinterface.