LED Drivers/LCD Bias

Browse by Tags

LED Drivers/LCD Bias

Welcome to the LED Drivers/LCD Bias Section of the TI E2E Support Community. Ask questions, share knowledge, explore ideas, and help solve problems with fellow engineers. To post a question, click on the forum tab then "New Post".

Sign In to Post
Tags
You have subscribed to this tag. To view or manage your tag subscriptions, click here.   Close
You have unsubscribed from this tag. To view or manage your tag subscriptions, click here.   Close
You are currently viewing:
TLC5927
Related Posts

  • Forum Post: Re: TLC5927 / power dissipation

    Brigitte
    Hello Carl, The biggest portion will be the power dissipation caused by the LED currents. The TLC5927 has to dissipate the power coming from the LED power supply through the diodes to GND which is not taken from the LEDs, therefore for all 16 outputs the maximum power dissipated per output will be...
    on Jul 26, 2010

  • Forum Post: Re: TLC5927 - Maximum Driving Current for a LED Driver

    Chris Glaser
    With the TLC59xx parts, you can turn on all the channels at the same time. You are limited by the thermals of the IC and of each channel. The TLC5927 has a temp sensor for the IC and for each individual output. This is explained on page 18 of the datasheet. The outputs can be connected together to...
    on Sep 23, 2010

  • Forum Post: Re: TLC5925 control the Output-Current

    Dick Stacey
    The TLC5925 uses current mirror topology to set the current in the outputs. Whatever current is on the REXT is multiplied to set the IOUT. As such, you cannot tie multiple REXT pins to one point. Have you considered the TLC5926 or TLC5927? Both devices have "current gain" which is a global...
    on Feb 9, 2011

  • Forum Post: Re: Increase current capability for TLC59108

    Dick Stacey
    Pietro, Yes, multiple outputs can be combined to obtain higher current. This is a benefit of the constant current output. It is the same for all of the TLC59xxx constant current devices (TLC59116, TLC5916, TLC5917, TLC5925, TLC59025, TLC5926, TLC5927 to name a few). Care must always be taken to stay...
    on Apr 15, 2011

  • Forum Post: Re: TLC5926 Daisy chain wiring

    Brigitte
    Hello Bob, You are right with the connection you mention above. Connect the SDO of the 1st with the SDI of the 2nd, the SDO of the 2nd with the SDI of the 3rd, the SDO of the 3rd with the SDI of the 4th and the SDO of the 4th with an input of the microcontroller. Connect CLK and LE of all parts...
    on May 24, 2011

  • Forum Post: Re: TLC5926/TLC5927 pretection

    Brigitte
    Hello Knighty, The short to GND detection and open detection is using the same flag and the same detection method. The part detects an open or short to GND error, if the current through the transistor is below the threshold target, which is typically below 1/2 the set current. Short to VLED detection...
    on Jun 3, 2011

  • Forum Post: Re: TLC5927 driving LEDs

    Brigitte
    Hello Daniele, Please check this application note http://www.ti.com/litv/pdf/slva267a . This note is using TLC5941, so it does not fit fully to TLC5927, but I hope it is at least of help for you. Best regards, Brigitte
    on Jul 5, 2011

  • Forum Post: Re: TLC5927 driving LEDs

    Brigitte
    Hello Daniele, Please check this thread for a source code example: http://e2e.ti.com/support/power_management/led_driverslcd_bias/f/192/p/128200/466970.aspx#466970 Best regards, Brigitte
    on Aug 24, 2011

  • Forum Post: Re: MBI5028 analog

    Oleksiy Pazyuk
    Hello . Do you know if TLC59281 TLC59282 have temperature shutdown. I was not able to find this information in the datasheet? For TLC59025/TLC5926 / TLC5927 there is overtemperature shutdown at 175C Does it mean that for TLC59281/ TLC59282 there is no any temperature protection? best regards...
    on Oct 27, 2011

  • Forum Post: Re: TLC5917 or TCA6507 Led drivers msp430f2272 C implementation

    Dick Stacey
    Aly Aytok, We have an Evaluation Module in development for the TLC5927 that is based on the MSP430 Launch Pad ( http://e2e.ti.com/group/msp430launchpad/w/default.aspx ). We have developed an application board for the MSP430 Launch Pad. Attached is some code that was developed for this module. The...
    on Jan 24, 2012

  • Forum Post: Re: TLC5927 running hot!

    Brigitte
    Hello Sergei, The maximum output voltage capability is necessary when the LEDs are off because then the voltage on the output will increase. In addition the output voltage capability does not mean that the IC is able to handle the power dissipation without additional cooling. The power inside the...
    on Apr 4, 2012

  • Forum Post: TLC5927-Q1 / RGB LED driver for Automotive

    Ryuji Asaka
    Hello, I'm serching 24 ch RGB LED driver for Automotive. But, I can't find the device of RGB LED driver for Automotive. 1. Could you please kindly let me know the RGB LED driver for Automotive if there is? 24ch is best. but please let me know the device regardless of Ch number. ...
    on Apr 22, 2013

All content and materials on this site are provided "as is". TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with regard to these materials, including but not limited to all implied warranties and conditions of merchantability, fitness for a particular purpose, title and non-infringement of any third party intellectual property right. TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with respect to these materials. No license, either express or implied, by estoppel or otherwise, is granted by TI. Use of the information on this site may require a license from a third party, or a license from TI.

Content on this site may contain or be subject to specific guidelines or limitations on use. All postings and use of the content on this site are subject to the Terms of Use of the site; third parties using this content agree to abide by any limitations or guidelines and to comply with the Terms of Use of this site. TI, its suppliers and providers of content reserve the right to make corrections, deletions, modifications, enhancements, improvements and other changes to the content and materials, its products, programs and services at any time or to move or discontinue any content, products, programs, or services without notice.

TI Worldwide | Contact Us | my.TI Login | Site Map | Corporate Citizenship | mobile m.ti.com (Mobile Version)

TI is a global semiconductor design and manufacturing company. Innovate with 100,000+ analog ICs and
embedded processors, along with software, tools and the industry’s largest sales/support staff.

© Copyright 1995-2013 Texas Instruments Incorporated. All rights reserved.
Trademarks | Privacy Policy | Terms of Use