TLC6983: LP5890

Hi Lee,

1. could you please provide the spec/ end application about your case? is it the commercial or automotive application? since we have LP5890/LP5891/TLC6983/TLC6984 that all can driving 32 * 32 RGB pixels by 2 devices.

please provide more information and we can suggest the most suitable device.

2. below link provide a summary about these devices, hope it helpfully.

https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1160761/faq-how-to-master-lp589x-tlc698x-devices-with-led-display-applications-within-five-minutes

3. Which MCU do you use now? yet below MCUs can support CCSI:

• MSP430F5529
• F280039C
• F280025C
• F280049C

4. How much frame rate and refresh rate do you need for the LED panel?

BR 

Monet Xu

Hi Monet Xu

Thank you answer as quick, Spec as below:

Main Chip: TLC6983 x2,

Resolution: 32x32xRGB LED

Graphic : 3 page for the test pattern of LED product.

Target: Automotive LED display or wall sign LED display

Test power supply : 3.3V 2A SMPS

MPU: 32 bit ARM-core M4 120MHz clock (any product OK, How about your F280025C ?)

Output: Hardware SPI interface on MPU

Frame rate: 60Hz

We are not sales product, Just only test OEM LED product 32x32xRGB used TLC6983 x2 chips for oversea customer

Thank you

Hi Monet Xu

Thank you support example code for TLC6983.

I sent email to you.

BR

From KY 

Hi KY,

Got it. But actually i will suggest you to use F280039C as the controller. the MCU is automotive version and support more stable CCSI interface.

if it's OK, I will provide the code based on F280039C.

BR

Monet Xu

OK please support sample code for F280039C

Thank you

From KY

Hi KY,

Please refer to the below link.

https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1160761/faq-how-to-master-lp589x-tlc698x-devices-with-led-display-applications-within-five-minutes?tisearch=e2e-sitesearch&keymatch=FAQ%2525252520LP5891#

BR 

Monet Xu