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.
PowerPAD is a trademark of Texas Instruments.
| Features | Error Flag, Fault Detection, LED Open Detection, ON/OFF LED Driver, Power good |
| Analog dimming steps | 128 |
| Data transfer rate (typ) (MHz) | 30 |
| Ch to ch accuracy (typ) (±%) | 1 |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| HTSSOP (DAP) | 32 | 89.1 mm² 11 x 8.1 |
| VQFN (RHB) | 32 | 25 mm² 5 x 5 |
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