Go Down

Topic: TLC5958 (Read 2709 times) previous topic - next topic

runaway_pancake

http://www.ti.com/product/TLC5958?DCMP=48output&HQS=tlead-power-pwr-dcs-swift-48output-bs-en

Description
The TLC5958 is a 48 channels constant-current sink driver for multiplexing system with 1 to 32 duty ratio. Each channel has an individually-adjustable, 65536-step, pulse width modulation (PWM) grayscale (GS).

48K bit display memory is implemented to increase the visual refresh rate and to decrease the GS data writing frequency.

Features
48 Channels Constant Current Sink Output
Sink Current Capability with Max BC/CC data:
   25mA at 5VCC
   20mA at 3.3VCC
Global Brightness Control (BC) : 3-Bit (8 Step)
"Who is like unto the beast? who is able to make war with him?"
When all else fails, check your wiring!

JoeN

#1
Sep 09, 2014, 10:13 am Last Edit: Sep 09, 2014, 10:15 am by JoeN Reason: 1
I pointed out the TLC5955 months ago in this message:

http://forum.arduino.cc/index.php?topic=229971.0

The TLC5958 is a member of the same family (maybe it's the same die), just a couple more bits dedicated to analog dimming and they charge you almost another two bucks per chip.  I wonder if that is worth it.  I am thinking probably not.

Still none of them at Digikey which means I can't get samples yet.  At least when I tried in the past to get TI chips that were not at Digikey those samples requests never came through.  I would like a few of these.
I will never ask you to do anything that I wouldn't do myself.

runaway_pancake


when I tried in the past to get TI chips that were not at Digikey those samples requests never came through.  I would like a few of these.


Maybe they've become more circumspect about who gets samples or what for.
So, you might need a letterhead or a good story for the samples.
[Unlimited top-side then, shall it be?]
"Who is like unto the beast? who is able to make war with him?"
When all else fails, check your wiring!

JoeN



when I tried in the past to get TI chips that were not at Digikey those samples requests never came through.  I would like a few of these.


Maybe they've become more circumspect about who gets samples or what for.
So, you might need a letterhead or a good story for the samples.
[Unlimited top-side then, shall it be?]


Um, no.  Otherwise, good point.  These parts are simply not in stock at Digikey, which they use to ship samples from, at least in the USA.  Taking 15 seconds to visit the part pages can be used to confirm this.

http://www.ti.com/product/tlc5955/samplebuy
http://www.ti.com/product/tlc5958/samplebuy

Free sample, means Free sample.  However, Not In Stock means Not In Stock,.

I will never ask you to do anything that I wouldn't do myself.

Go Up