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Parameters

Features 48CH LED Driver, Error Flag, Fault Detection, LED Open Detection, PWM LED Driver, Pre-Charge FET, SRAM, Thermal Shutdown Analog dimming steps 512 Data transfer rate (Typ) (MHz) 25 Ch to ch accuracy (Typ) (+/- %) 1 Rating Catalog Operating temperature range (C) -40 to 85 open-in-new Find other LED display drivers

Package | Pins | Size

VQFN (RTQ) 56 64 mm² 8 x 8 open-in-new Find other LED display drivers

Features

  • 48 Constant-Current Sink Output Channels
  • Sink Current Capability with Max BC/CC data:
    • 25 mA at 5 VCC
    • 20 mA at 3.3 VCC
  • Global Brightness Control (BC): 3-Bit (8-Step)
  • Color Brightness Control (CC) for Each Color
    Group: 9-Bit (512-Step), Three Groups
  • LED Power Supply Voltage Up To 10 V
  • VCC = 3.0 V to 5.5 V
  • Constant Current Accuracy
    • Channel-to-Channel = ±1%(Typ), ±3%(Max)
    • Device-to-Device = ±1%(Typ), ±2%(Max)
  • Data Transfer Rate: 25 MHz
  • Gray Scale Clock: 33 MHz
  • Pre-Charge FET to Avoid Ghosting Phenomenon
  • Enhanced Circuit for Caterpillar Cancelling
  • Low-Grayscale Enhancement
  • LED Open Detection (LOD)
  • Thermal Shut Down (TSD)
  • Operating Temperature: –40°C to 85°C
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Description

The TLC59581/82are 48-channel constant-current sink drivers. Each channel has an individually-adjustable, 65536-step, pulse width modulation (PWM) grayscale (GS) brightness control.

The TLC59581 can support 32-multiplexing while TLC59582 can support 16-multiplexing.

The output channels are divided into three groups. Each group has a 512-step color brightness control (CC). CC adjusts brightness control between colors. The maximum current value of all 48 channels can be set by 8-step global brightness control (BC). BC adjusts brightness deviation between LED drivers. GS, CC and BC data are accessible through a serial interface port.

See application note Build High Density, High Refresh Rate, Multiplexing LED Panel with TLC59581, SLVA744.

The TLC59581/82 device has one error flag: the LED open detection (LOD), which can be read through a serial interface port. To resolve this caterpillar issue caused by an open LED, the TLC59581/82 device has an enhanced circuit for caterpillar canceling, thermal shut down (TSD) and IREF resistor short protection (ISP), which ensures a higher system reliability. The TLC59581/82 device also has a power-save mode that sets the total current consumption to 0.8 mA (typical) when all outputs are off. The TLC59581/82 device is a good solution to improve display performance of a multiplexing panel for low-grayscale patterns.

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Technical documentation

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Type Title Date
* Datasheet TLC59581/82 48-Channel, 16-Bit ES-PWM LED Driver with Pre-Charge FET, LOD Caterpillar Cancelling and Display Data Memory datasheet (Rev. A) Nov. 10, 2015
White paper Common LED Functions and LED Driver Design Considerations Sep. 21, 2020
Technical articles Here's how body electronics and lighting technology are changing the driving experience Sep. 26, 2016
Technical articles LED brightness adjustment: high-frequency PWM dimming Aug. 26, 2016
Application note Build High-Density, High Refresh Rate, Multiplexing Panel with the TLC59581 Jan. 06, 2016
Technical articles Take better selfies with innovative LED flashes Nov. 18, 2014
Technical articles Solving the automotive EMI issues in new cars with all the screens Sep. 10, 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Design tools & simulation

SIMULATION MODEL Download
SLVMCS6.ZIP (57 KB) - IBIS Model
SIMULATION TOOL Download
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 (...)
Features
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  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
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Reference designs

REFERENCE DESIGNS Download
64x64 Full Color (R/G/B) LED Matrix with High Multiplexing Reference Design
TIDA-00161 This reference design is a complete 64 pixel x 64 pixel Red/Green/Blue LED panel with TLC5958 driver IC.
Due to its higher integration and high time multiplexing support, this design drives total 12,288 individual LED lamps (= 64 x 64 x 3color) by only 8pcs of TLC5958 IC.  Still this LED panel (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
QFN (RTQ) 56 View options

Ordering & quality

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