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TI TLC59581RTQRRoHS

Manufacturer
TI
MPN
TLC59581RTQR
LCSC Part #
C702089
Packaging
VFQFN-56-EP(8x8)
Customer #
Key Attributes
48-channel 16-bit ES-PWM LED driver, supporting 32-channel multiplexing, with pre-charge FET, LOD Caterpillar elimination function and display data memory
Datasheetpdf iconTI TLC59581RTQR
In-Stock: 85
85 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 5.2683$ 5.27
10+$ 5.011$ 50.11
30+$ 4.8547$ 145.64
100+$ 4.7244$ 472.44
Standard Packaging2000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/LED Drivers ICs
ManufacturerTI
PackagingVFQFN-56-EP(8x8)
Output Voltage0V~10V
FeaturesLED open-circuit protection;Over-Temperature Protection (OTP);Short Circuit Protection
Frequency - Switching25MHz~33MHz
Switch Tube (Built-In/External)Built-in
Voltage - Input(AC)-
Operating temperature-40℃~+85℃
Number of Channels48
Topology-
Type-
Output Current20mA
Voltage - Input(DC)3V~5.5V
Constant Current Accuracy3%
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2000
Sales UnitPiece

Introduction

AI Translation

The TLC59581 is a 48-channel constant sink current driver. Each channel features individually adjustable 65,536-step pulse width modulation (PWM) grayscale (GS) brightness control. The output channels are divided into three groups. Each group has a 512-step color brightness control (CC) function. CC can adjust the brightness between colors. The maximum current values of all 48 channels can be set through an 8-step global brightness control (BC) function. BC adjusts the brightness deviation between LED drivers. The GS, CC, and BC data can be accessed through a serial interface port. The TLC59581 has an error flag: LED open detection (LOD). This flag can be read through the serial interface port. To solve such caterpillar problems caused by open LEDs, the TLC59581 device has an enhanced circuit. This circuit provides caterpillar effect elimination, thermal shutdown (TSD), and IREF resistor short-circuit protection (ISP) functions to ensure high system stability. The TLC59581 device also has a power-saving mode, which can reduce the total current consumption to 0.8 mA (typical) after all outputs are turned off. The TLC59581 device is a good solution for improving the performance of multi - plexed panels in low - grayscale display modes.

Features

AI Translation
  • 48 constant current sink output channels with maximum BC/CC data sink current:
    • 25mA at 5 VCC
    • 20mA at 3.3 VCC
  • Global brightness control (BC): 3-bit (8 steps)
  • Color brightness control (CC) per color group: 9-bit (512 steps), divided into three groups
  • LED supply voltage up to 10V
  • VCC = 3.0V to 5.5V
  • Constant current accuracy:
    • Channel-to-channel = ±1% (typical), ±3% (maximum)
    • Device-to-device = ±1% (typical), ±2% (maximum)
  • Data transfer rate: 25MHz
  • Grayscale clock frequency: 33MHz
  • Pre-charge FET to prevent ghosting
  • Enhanced circuit to eliminate Caterpillar effect
  • Low grayscale enhancement
  • LED open detection (LOD)
  • Thermal shutdown (TSD)
  • Operating temperature: -40°C to 85°C

Applications

AI Translation
  • LED video displays with multiplexed systems
  • LED signal boards with multiplexed systems
  • High refresh rate, high-density LED panels