Automotive 16 channel Full diagnostics constant current RGB LED driver



Product details


Topology Current Sink Rating Automotive Operating temperature range (C) -40 to 125 Vin (Min) (V) 3 Vin (Max) (V) 5.5 Vout (Min) (V) 0 Vout (Max) (V) 7 Iout (Max) (A) 0.8 Features Adjacent-Pin Short Detection, Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, LED Short to VLED Detection, LED Shorted Detection, LED Weak Supply Diagnostics, Reference Resistor Open or Short Detection, SPI Register Lock for Content Protection, Thermal Prewarning and Shutdown open-in-new Find other Automotive LED drivers

Package | Pins | Size

HTSSOP (DAP) 38 101 mm² 12.5 x 8.1 open-in-new Find other Automotive LED drivers


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


There are automotive applications for indicators and for LCD local-dimming backlighting. For these applications, more persons think multi-channel constant-current LED drivers are necessary. The requirement is to get the same intensity and color temperature of LEDs. For system-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 that can do tests on the LEDs. The TLC6C5716-Q1 device supplies a maximum of 50-mA output current set by an external resistor. The device has a 7-bit dot correction with two ranges for each output. The device 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 device has 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 the largest decrease in system noise. There is an interval between the changes of output level from one LED group to a different one. This interval helps to decrease the starting electrical current. The SDI and SDO pins let more than one device be connected in series for control through 1 serial interface.

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Technical documentation

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Type Title Date
* Data sheet TLC6C5716-Q1 Automotive 16-Channel, Full Diagnostics, Constant-Current LED Driver datasheet (Rev. A) Aug. 20, 2018
User guide TLC6C5716-Q1 Evaluation Module User's Guide May 14, 2018
Technical article Here's how body electronics and lighting technology are changing the driving experience Sep. 26, 2016
Technical article LED brightness adjustment: high-frequency PWM dimming Aug. 26, 2016
Technical article Take better selfies with innovative LED flashes Nov. 18, 2014
Technical article Solving the automotive EMI issues in new cars with all the screens Sep. 11, 2014

Design & development

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Hardware development

document-generic User guide
The TLC6C5716EVM is designed to be controlled with the TLC65716EVM GUI via a USB2ANY communication tool. The TLC6C5716EVM can be powered by a micro-USB supply with a PC USB port. The TLC6C5716EVM GUI is designed to demonstrate the TLC6C5716-Q1 features.
  • 16 Channel Constant Current LED Driver
  • LED Open/Short Diagnostics
  • Open Drain Error Feedback

Software development

SLVC724.ZIP (82739 KB)

Design tools & simulation

SLVMCI7.ZIP (170 KB) - PSpice Model
SLVMCI8.ZIP (23 KB) - PSpice Model
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Reference designs

参考设计 Download
Automotive HVAC control reference design with HMI
TIDA-020010 — This reference design offers a cost-effective solution for a heating, ventilation, and air conditioning (HVAC) human-machine interface (HMI) application. This reference design incorporates a synchronous step-down converter, multiple channel half-bridge motor driver for brushed DC motors (BDC (...)
document-generic Schematic
参考设计 Download
Automotive 144-Zone Local Dimming Backlight Reference Design
TIDA-020001 — This local dimming backlight reference design conserves power, extends the life of liquid-crystal displays (LCDs), and enhances automotive display quality through high dynamic range (HDR) or localized dimming technology. Seven multi-channel constant-current LED drivers allow for 144-zone localized (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
HTSSOP (DAP) 38 View options

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