TLC5928DBQR datasheet by Texas Instruments

TLC5928DBQR Frequently Asked Questions (FAQs)

• What is the maximum current that can be sourced or sunk by each output?
  The TLC5928DBQR can source up to 25mA and sink up to 50mA per output.
• How do I ensure that the device is properly powered up and initialized?
  The device requires a power-on reset (POR) to ensure proper initialization. A 10uF capacitor between VCC and GND is recommended to filter out noise and ensure a clean power-up sequence.
• What is the maximum clock frequency that can be used with the TLC5928DBQR?
  The maximum clock frequency is 25MHz, but it's recommended to use a clock frequency of 10MHz or less to ensure reliable operation.
• How do I handle the thermal management of the TLC5928DBQR?
  The device has a thermal pad on the bottom of the package, which should be connected to a thermal plane on the PCB to dissipate heat. A thermal interface material (TIM) can be used to improve heat transfer.
• What is the recommended layout and routing for the TLC5928DBQR?
  It's recommended to use a 4-layer PCB with a solid ground plane, and to keep the signal traces short and away from noise sources. Decoupling capacitors should be placed close to the device.