TLC5923RHBT

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1. Describe

The TLC5923RHBT is a 16-channel constant current sink driver. Each channel has an on/off state and a 128- Step-adjustable constant current sink (point correction). Dot correction adjusts brightness changes Between LEDs, LED channels, and other LED drivers. Both point calibration and on/off status are accessible via the serial data interface. single external resistor Sets the maximum current for all 16 channels. The TLC5923RHBT has two error message circuits. LED Open Detect (LOD) indicates damage or Disconnect the LED at the output. hot An error flag (TEF) indicates an overheating condition.

2. Feature

    1. 16 channels

    2. Drive capability

        – 0 to 80 mA (constant current sink)

    3. Constant current accuracy: ±1% (typ.)

    4. Serial data interface

    5. Fast switching output: Tr / Tf = 10ns (typ.)

    6. CMOS level input/output

    7. 30 MHz data transfer rate

    8. VCC = 3.0 V to 5.5 V

    9. Operating temperature = –40°C to 85°C

  10. LED supply voltage up to 17 V

  11. 32-Pin HTSSOP(PowerPAD™) and QFN Packages

  12. Point correction

        – 7 bits (128 steps)

        – Individually adjustable for each channel

  13. Control inrush current

  14. Error messages

        – LOD: LED open circuit detection

        – TEF: Thermal Error Flag

3. Application

    1. Monochrome, multicolor, full color LED display

    2. Single-color, multi-color LED signs

    3. Display backlight

    4. Multicolor LED lighting applications

4. Pin configuration

5. Pin Description