TLC5952 器件是一款 24 通道恒定灌电流驱动器。每个通道都可以通过内部寄存器数据进行开关。输出通道被分成三组,每组 8 个通道。每个通道组都具有 128 步长全局亮度控制 (BC) 功能。该器件支持通过串行接口写入开关和 BC 数据。它使用单个外部电阻器设置所有 24 个通道的最大电流值。
TLC5952 器件具有三个错误检测电路:LED 开路检测 (LOD)、LED 短路检测 (LSD) 和热错误标志 (TEF)。错误检测通过串行接口读取。
| Features | Error Flag, Fault Detection, LED Open Detection, LED Short to Ground Detection, LED Short to VLED Detection, ON/OFF LED Driver, Power good, Thermal shutdown |
| Analog dimming steps | 128 |
| Data transfer rate (typ) (MHz) | 35 |
| 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 |