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TLC6C5724-Q1

AKTIV

24-kanaliger RGB-LED-Treiber für die Automobilindustrie, vollständige Diagnose, Konstantstrom

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Datenblatt

TLC6C5724-Q1

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Number of channels 24 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) 1.2 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
Number of channels 24 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) 1.2 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
HTSSOP (DAP) 38 101.25 mm² 12.5 x 8.1
  • AEC-Q100 Qualified for Automotive Applications
    • Device Temperature Grade 1: –40°C to 125°C, TA
  • 24 Constant-Current-Sink Output Channels
    • 50-mA Maximum Output Current
    • 8-V Maximum Output Voltage
    • 3 Output Groups: OUTRn, OUTGn, OUTBn
  • Output Current Adjustment
    • 7-Bit Dot Correction for Each Channel
    • 8-Bit Intensity Control 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, LED-Short Detection, Output Short-to-GND Detection
    • Adjacent-Pin Short Detection
    • Pre-Thermal Warning, Thermal Shutdown
    • IREF Resistor Open- and Short-Detection 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
  • AEC-Q100 Qualified for Automotive Applications
    • Device Temperature Grade 1: –40°C to 125°C, TA
  • 24 Constant-Current-Sink Output Channels
    • 50-mA Maximum Output Current
    • 8-V Maximum Output Voltage
    • 3 Output Groups: OUTRn, OUTGn, OUTBn
  • Output Current Adjustment
    • 7-Bit Dot Correction for Each Channel
    • 8-Bit Intensity Control 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, LED-Short Detection, Output Short-to-GND Detection
    • Adjacent-Pin Short Detection
    • Pre-Thermal Warning, Thermal Shutdown
    • IREF Resistor Open- and Short-Detection 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

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 TLC6C5724-Q1 device is an automotive 24-channel constant-current RGB LED driver that can do tests on the LEDs. The TLC6C5724-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 one serial interface.

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 TLC6C5724-Q1 device is an automotive 24-channel constant-current RGB LED driver that can do tests on the LEDs. The TLC6C5724-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 one serial interface.
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Typ Titel Datum
* Data sheet TLC6C5724-Q1 Automotive 24-Channel, Full Diagnostics, Constant-Current RGB LED Driver datasheet (Rev. A) PDF | HTML 14 Aug 2018
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 30 Apr 2024
Functional safety information TLC6C5724-Q1 Functional Safety, FIT Rate, and Failure Mode Distribution 27 Apr 2020
Technical article How semiconductor technologies are changing automotive lighting roadmaps PDF | HTML 24 Okt 2019
EVM User's guide TLC6C5724-Q1 EVM User's Guide 04 Dez 2017

Design und Entwicklung

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Evaluierungsplatine

TLC6C5724EVM — TLC6C5724-Q1 24-Kanal-Konstantstrom-LED-Treiber-Evaluierungsmodul

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