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The TLC5924 is a 16 channel constant–current sink driver. Each channel has a On/Off state and a 128–step adjustable constant current sink (dot correction). The dot correction adjusts the brightness variations between LED, LED channels and other LED drivers. Both dot correction and On/Off state are accessible via a serial data interface. A single external resistor sets the maximum current of all 16 channels.
Each constant–current output has a pre–charge FET that enables an improvement in image quality of the dynamic–drive LED display.
The TLC5924 features two error information circuits. The LED open detection (LOD) indicates a broken or disconnected LED at an output terminal. The thermal error flag (TEF) indicates an over–temperature condition.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | 16-Channel LED Driver With DOT Correction and Pre-Charge FET datasheet | 20 Jun 2006 | |
| White paper | Common LED Functions and LED Driver Design Considerations | 21 Sep 2020 | ||
| Selection guide | Power Management Guide 2018 (Rev. R) | 25 Jun 2018 | ||
| EVM User's guide | TLC5924EVM (Rev. A) | 13 Jun 2007 | ||
| Application note | LED Driver--Paralleled Outputs Provide High Current Outputs | 25 Sep 2006 |
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| HTSSOP (DAP) | 32 | Ultra Librarian |
| VQFN (RHB) | 32 | Ultra Librarian |
| — (—) | — |
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