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Treiber für LED-Displays

TLC6984

AKTIV

48 Stromquellen, 64 Scans, gebräuchlicher Kathodenmatrix-LED-Anzeigetreiber

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Datenblatt

TLC6984

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Features Dot Correction, Fault Detection, LED Open Detection, LED Short to Ground Detection, LED Short to VLED Detection, Matrix Analog dimming steps 2048 Data transfer rate (typ) (MHz) 25 Ch to ch accuracy (typ) (±%) 0.5 Rating Catalog Operating temperature range (°C) -40 to 85
Features Dot Correction, Fault Detection, LED Open Detection, LED Short to Ground Detection, LED Short to VLED Detection, Matrix Analog dimming steps 2048 Data transfer rate (typ) (MHz) 25 Ch to ch accuracy (typ) (±%) 0.5 Rating Catalog Operating temperature range (°C) -40 to 85
NFBGA (ZXL) 96 36 mm² 6 x 6 VQFN (RRF) 76 81 mm² 9 x 9
  • Separated VCC and VR/G/B power supply
    • VCC voltage range: 2.5 V – 5.5 V
    • VR/G/B voltage range: 2.5 V – 5.5 V
  • 48 current source channels from 0.2 mA to 20 mA
    • Channel-to-channel accuracy: ±0.5% (typ.), ±2% (max.); device-to-device accuracy: ±0.5% (typ.), ±2% (max.)
    • Low knee voltage: 0.26 V (max.) when IOUT = 5 mA
    • 3-bits (8 steps) global brightness control
    • 8-bits (256 steps) color brightness control
    • Maximum 16-bits (65536 steps) PWM grayscale control
  • 16 scan line switches with 190-mΩ RDS(ON)
  • Ultra low power consumption
    • Independent VCC down to 2.5 V
    • Lowest ICC down to 3.6 mA with 50-MHz GCLK
    • Intelligent power saving mode with ICC down to 0.9mA
  • Built-in SRAM to support 1 – 64 multiplexing
    • Single device with 16 multiplexing to support 48 × 16 LEDs or 16 × 16 RGB pixels
    • Dual devices stackable with 32 multiplexing to support 96 × 32 LEDs or 32 × 32 RGB pixels
    • Three devices stackable with 48 multiplexing to support 144 × 48 LEDs or 48 × 48 RGB pixels
    • Four devices stackable with 64 multiplexing to support 192 × 64 LEDs or 64 × 64 RGB pixels
  • High speed and low EMI Continuous Clock Series Interface (CCSI)
    • Only three wires: SCLK / SIN / SOUT
    • External 25-MHz (max.) SCLK with dual-edge transmission mechanism (internal 50 MHz)
    • Internal frequency multiplier to support high GCLK frequency
  • Optimized display performance
    • Programmable scan line sequence
    • Upside and downside ghosting removal
    • Low grayscale enhancement
    • LED open, short, and weak short detection and removal
  • Separated VCC and VR/G/B power supply
    • VCC voltage range: 2.5 V – 5.5 V
    • VR/G/B voltage range: 2.5 V – 5.5 V
  • 48 current source channels from 0.2 mA to 20 mA
    • Channel-to-channel accuracy: ±0.5% (typ.), ±2% (max.); device-to-device accuracy: ±0.5% (typ.), ±2% (max.)
    • Low knee voltage: 0.26 V (max.) when IOUT = 5 mA
    • 3-bits (8 steps) global brightness control
    • 8-bits (256 steps) color brightness control
    • Maximum 16-bits (65536 steps) PWM grayscale control
  • 16 scan line switches with 190-mΩ RDS(ON)
  • Ultra low power consumption
    • Independent VCC down to 2.5 V
    • Lowest ICC down to 3.6 mA with 50-MHz GCLK
    • Intelligent power saving mode with ICC down to 0.9mA
  • Built-in SRAM to support 1 – 64 multiplexing
    • Single device with 16 multiplexing to support 48 × 16 LEDs or 16 × 16 RGB pixels
    • Dual devices stackable with 32 multiplexing to support 96 × 32 LEDs or 32 × 32 RGB pixels
    • Three devices stackable with 48 multiplexing to support 144 × 48 LEDs or 48 × 48 RGB pixels
    • Four devices stackable with 64 multiplexing to support 192 × 64 LEDs or 64 × 64 RGB pixels
  • High speed and low EMI Continuous Clock Series Interface (CCSI)
    • Only three wires: SCLK / SIN / SOUT
    • External 25-MHz (max.) SCLK with dual-edge transmission mechanism (internal 50 MHz)
    • Internal frequency multiplier to support high GCLK frequency
  • Optimized display performance
    • Programmable scan line sequence
    • Upside and downside ghosting removal
    • Low grayscale enhancement
    • LED open, short, and weak short detection and removal

With the pixel density getting higher in narrow pixel pitch LED display or mini and micro-LED products, there are urgent demands for LED drivers to address those critical challenges. These challenges include ultra high integration to meet the strict board space limitation, ultra low power to minimize the system level power dissipation, new interface to enable high data refresh rate with low EMI impact, and excellent display performance to serve the growing needs of higher display quality.

The TLC6984 is a highly-integrated, common cathode matrix LED display driver with 48 constant current sources and 16 scanning FETs. Besides driving 16 × 16 and 32 × 32 RGB LED pixels as TLC6983, three TLC6984s are capable of driving 48 × 48 RGB LED pixels and stacking four TLC6984s can drive 64 × 64 RGB LED pixels. To achieve low-power consumption, the device supports separated power supplies for the red, green, and blue LEDs by its common cathode structure. Furthermore, the operation power of the TLC6984 is significantly reduced by ultra-low operation voltage range (Vcc down to 2.5 V) and ultra-low operation current (Icc down to 3.6 mA).

The TLC6984 implements a high-speed, dual-edge transmission interface to support high device count daisy-chained and high-refresh rate while minimizing electrical-magnetic interference (EMI). The device supports up to 25-MHz SCLK (external) and 40-MHz to 160-MHz GCLK (internal, typical values) with different GCLK multiplier modes and frequencies. Meanwhile, the device integrates enhanced circuits and intelligent algorithms to solve the various display challenges in Narrow Pixel Pitch (NPP) LED display applications and mini and micro-LED products. These challenges include dim at the first scan line, upper and downside ghosting, non-uniformity in low grayscale, coupling, and caterpillar caused by open or short LEDs, which make the TLC6984 a perfect choice in such applications.

The TLC6984 also implements LED open, weak-short, short detections and removals during operations and can also report this information out to the accompanying digital processor.

With the pixel density getting higher in narrow pixel pitch LED display or mini and micro-LED products, there are urgent demands for LED drivers to address those critical challenges. These challenges include ultra high integration to meet the strict board space limitation, ultra low power to minimize the system level power dissipation, new interface to enable high data refresh rate with low EMI impact, and excellent display performance to serve the growing needs of higher display quality.

The TLC6984 is a highly-integrated, common cathode matrix LED display driver with 48 constant current sources and 16 scanning FETs. Besides driving 16 × 16 and 32 × 32 RGB LED pixels as TLC6983, three TLC6984s are capable of driving 48 × 48 RGB LED pixels and stacking four TLC6984s can drive 64 × 64 RGB LED pixels. To achieve low-power consumption, the device supports separated power supplies for the red, green, and blue LEDs by its common cathode structure. Furthermore, the operation power of the TLC6984 is significantly reduced by ultra-low operation voltage range (Vcc down to 2.5 V) and ultra-low operation current (Icc down to 3.6 mA).

The TLC6984 implements a high-speed, dual-edge transmission interface to support high device count daisy-chained and high-refresh rate while minimizing electrical-magnetic interference (EMI). The device supports up to 25-MHz SCLK (external) and 40-MHz to 160-MHz GCLK (internal, typical values) with different GCLK multiplier modes and frequencies. Meanwhile, the device integrates enhanced circuits and intelligent algorithms to solve the various display challenges in Narrow Pixel Pitch (NPP) LED display applications and mini and micro-LED products. These challenges include dim at the first scan line, upper and downside ghosting, non-uniformity in low grayscale, coupling, and caterpillar caused by open or short LEDs, which make the TLC6984 a perfect choice in such applications.

The TLC6984 also implements LED open, weak-short, short detections and removals during operations and can also report this information out to the accompanying digital processor.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TLC6984 48 Current Sources, 64 Scans, Common Cathode Matrix LED Display Driver datasheet (Rev. D) PDF | HTML 14 Jul 2022
User guide LP589x(-Q1)/TLC698x Sample Code User's Guide (Rev. A) PDF | HTML 06 Sep 2024
EVM User's guide TLC6984 48 × 16 Common Cathode Matrix LED Display Driver Evaluation Module (Rev. A) PDF | HTML 03 Sep 2024
Application note Example of LED Display Screen Design Requirements Based on TLC6983 PDF | HTML 31 Jul 2023
Certificate TLC6984EVM EU RoHS Declaration of Conformity (DoC) 22 Nov 2021

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

TLC6984EVM — TLC6984 48×16-LED-Matrix-Anzeigetreiber (gemeinsame Kathode) – Evaluierungsmodul

Das Evaluierungsmodul TLC6984 dient als Referenz für technische Demonstrations- und Evaluierungszwecke. Dieses Benutzerhandbuch enthält Anweisungen zur Einrichtung, einen Schaltplan, ein Platinenlayout und eine Stückliste (BOM).

Benutzerhandbuch: PDF | HTML
Nicht verfügbar auf TI.com
Anwendungssoftware und Frameworks

TLC6984EVM-F280039C-SW — TLC6984 reference code based on TMS320F280039C (LAUNCHXL-F280039C)

This reference code showcases the ability of the TMS320F280039C device to communicate with the TLC6984 LED driver. The code configures the MCU using CLB to drive the LEDs on the EVM.
Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

Produkte
Treiber für LED-Displays
TLC6984 — 48 Stromquellen, 64 Scans, gebräuchlicher Kathodenmatrix-LED-Anzeigetreiber
Hardware-Entwicklung
Evaluierungsplatine
TLC6984EVM — TLC6984 48×16-LED-Matrix-Anzeigetreiber (gemeinsame Kathode) – Evaluierungsmodul
Download-Optionen
Berechnungstool

SLVRBL8 — TLC6984 Registers Map Generator

Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

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Treiber für LED-Displays
TLC6984 — 48 Stromquellen, 64 Scans, gebräuchlicher Kathodenmatrix-LED-Anzeigetreiber
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Simulationstool

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PSpice® für TI ist eine Design- und Simulationsumgebung, welche Sie dabei unterstützt, die Funktionalität analoger Schaltungen zu evaluieren. Diese voll ausgestattete Design- und Simulationssuite verwendet eine analoge Analyse-Engine von Cadence®. PSpice für TI ist kostenlos erhältlich und (...)
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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
NFBGA (ZXL) 96 Ultra Librarian
VQFN (RRF) 76 Ultra Librarian
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Bestellen & Qualität

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  • REACH
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  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
Beinhaltete Information:
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  • Montagestandort

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