Part Number: TLC5923 Hi,
I have TLC5923 in my design and I'm trying to understand the Tpd between clock and Sout. According to datasheet, the maximal clock frequency is 30MHz, i.e. the pulse width is 33ns, while the Tpd is 30ns. It looks like the Tpd…
Hi Rodger,
I think 100Kohm resistor is too small. At the condition VLED = 5V, when channels are off, there are around 0.05mA current flow through LED and it would be slightly illuminated. Do you mean that for the unused pins, connecting 1Mohm resistor…
Part Number: TLC5923 Dears
Our single board is suitable for 3pcs TLC5923, 4 channels to drive an LED.
When the dot correction value is set to 380, the channel current is normal. When the dot correction value is set to 385 , the current does not rise. …
Part Number: TLC5923 Dear LED driver expert,
My customer wants to get a 1.2A output current with our TLC5923 16 channels parallel. The voltage for LED is around 7.5V. If the answer is yes, they want to how can we protect system if the LED is open. Should…
Part Number: TLC5923 Dear expert,
We have designed TLC5923 and face an output current drop issue now.
one of channel o/p current will drop around 90uA when turn off other channel output(total o/p current is around 200mA).
For example, CH#1 output 5mA;…
Part Number: TLC5923
Hello, for a new CIS line lighting module customer has following requirements: - 16 LED channels, but only 2 are on at the same time - each LED is for 20us on and then will be switch within 4us - max current 100-120mA per ch - each ch…
Part Number: TLC5923 Support,
We have a new question about this TLC5923 device. We are thinking of using the BLANK signal to this device to create a pulsed signal between our LEDS and photodetectors in order to AC couple the received signal.
- What is…
Other Parts Discussed in Thread: TLC5923 Dear Experts,
I want always to move in the dot correction data, the on/off data and obtain the LOD info in one frame, so I am using the TLC5923 in the following way:
1. MODE=1 -> shift-in 112 bits for dot correction…
Other Parts Discussed in Thread: TLC5923 Dear all,
I am having some problems with the TLC5923 which is difficult to debug. I have 16 cascaded chips, driven by a labview DAQ (USB-8451) which uses SPI (serial peripheral interface) to drive SCLK, SIN and…
Other Parts Discussed in Thread: TLC5923 , TLC5941-Q1 Hello,
I need to know if LED driver with part number TLC5923 is automotive qualified or not. I couldn't find anything about that on the website or in the datasheet.
Also, if it was automotive qualified…
