Part Number: TLC5921 Other Parts Discussed in Thread: TLC5920 , TLC5904 Hi team,
My customer is evaluating our LED driver with the below system behavior.
LED matrix behavior:
LEDs will be used to display basic animations, such as scrolling text…
Thanks for the detailed reply!
Would the TLC59291 work in a similar way as well? I have noticed this package is significantly smaller in size.
Another concern is having LEDs blinking or otherwise changing state while the internal registers are updated…
Hello Ammar,
You might have a look at TLC5921 if you do not need to regulate the individual output current to a different value. With this part, the constant current is set by a resistor for all channels and then the outputs are just either turned…
Hi,
I've attached the 2013 User's Guide for power products. Starting on page 53 you will find a selection of PWM controllers. many of these teh frequency can be varied according to external criteria.
As an example if you use a UC3842 it is a simple…
Gary,
Most any of our power controllers with dual output capability will provide the control. See attached document starting at page 50 with the dual output controllers on page 53 and 54 and choose what features you want.
Regards,
John
Hello,
The UCC3806 is a dual output controller though it can be used in a flyback where only one of the outputs are used to drive the switch it might be better to choose a single output controller. Look at page 46 of the attached under General Purpose…
Siyu,
I think the toggle flip-flop in the block diagram on page one of the spec should have let you know that the max you will get with this device is 50% duty.
Go to page 43 and 44 of the attached and select a more suitable part.
Peter,
i am enclosing the Power Management Guide for 2011. The section you will be interested in starts on page 43 and actual devices listed on page 46, With the minimum information you have given me I would expect that you will want something like…
