Top

Product details

Parameters

Features Dot Correction, Error Flag, Fault Detection, LED Open Detection, LED Short to Ground Detection, LED Short to VLED Detection, PWM LED Driver, Power Good Analog dimming steps 64 Data transfer rate (Typ) (MHz) 30 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

HTSSOP (PWP) 28 43 mm² 4.40 x 9.70 HTSSOP (PWP) 28 43 mm² 4.4 x 9.7 VQFN (RHB) 32 25 mm² 5.0 x 5.0 open-in-new Find other LED display drivers

Features

  • 16 Channels
  • 12-Bit (4096 Steps) Grayscale PWM Control
  • Dot Correction
    • 6 Bit (64 Steps)
  • Drive Capability (Constant-Current Sink)
    • 0 mA to 80 mA
  • LED Power Supply Voltage up to 17 V
  • VCC = 3.0 V to 5.5 V
  • Serial Data Interface
  • Controlled In-Rush Current
  • 30-MHz Data Transfer Rate
  • CMOS Level I/O
  • Error Information
    • LOD: LED Open Detection
    • TEF: Thermal Error Flag
  • APPLICATIONS
    • Monocolor, Multicolor, Full-Color LED Displays
    • LED Signboards
    • Display Back-Lighting

PowerPAD is a trademark of Texas Instruments.

open-in-new Find other LED display drivers

Description

The TLC5941 is a 16-channel, constant-current sink, LED driver. Each channel has an individually adjustable 4096-step grayscale PWM brightness control and a 64-step constant-current sink (dot correction). The dot correction adjusts the brightness variations between LED channels and other LED drivers. Both grayscale control and dot correction are accessible via a serial interface. A single external resistor sets the maximum current value of all 16 channels.

The TLC5941 features two error information circuits. The LED open detection (LOD) indicates a broken or disconnected LED at an output terminal. The thermal error flag (TEF) indicates an overtemperature condition.

open-in-new Find other LED display drivers
Download

Technical documentation

star = Top documentation for this product selected by TI
No results found. Please clear your search and try again.
View all 11
Type Title Date
* Datasheet 16 Channel LED Driver w/DOT Correction and Grayscale PWM Control datasheet (Rev. D) Jan. 03, 2008
White paper Common LED Functions and LED Driver Design Considerations Sep. 21, 2020
Application note Grayscale and Dot-Corrected LED Display Using TLC5941 and MSP430F427 (Rev. B) Sep. 27, 2018
Selection guide Power Management Guide 2018 (Rev. R) Jun. 25, 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
Application note Using the TLC5940 with Higher LED Supply Voltages and Series LEDs Aug. 20, 2007
Application note LED Driver--Paralleled Outputs Provide High Current Outputs Sep. 25, 2006
User guide TLC5941EVM-105 EVM Oct. 16, 2005

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
SLIM018.ZIP (65 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
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)

CAD/CAE symbols

Package Pins Download
HTSSOP (PWP) 28 View options
VQFN (RHB) 32 View options

Ordering & quality

Information included:
  • RoHS
  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

Support & training

TI E2E™ forums with technical support from TI engineers

Content is provided "as is" by TI and community contributors and does not constitute TI specifications. See terms of use.

If you have questions about quality, packaging or ordering TI products, see TI support. ​​​​​​​​​​​​​​

Videos