TPS92633 三通道 LED 驱动器采用独特的热管理设计,可减少器件温升。 TPS92633 线性驱动器每通道可输出高达 150mA 的满电流负载。外部分流电阻器可用来共享输出电流并由驱动器驱动。 TPS92633 还驱动 LED 单元和非板载亮度分级电阻器,从而简化制造过程并降低整体系统成本。它具有全面的诊断功能,包括 LED 开路、LED 接地短路和单个 LED 短路检测。
| Input voltage type | Linear |
| Topology | Current Source |
| Vin (min) (V) | 4.5 |
| Vin (max) (V) | 40 |
| Vout (max) (V) | 40 |
| Vout (min) (V) | 0 |
| Iout (max) (A) | 0.45 |
| Iq (typ) (mA) | 1.5 |
| Features | Enable/Shutdown, Fault Detection, Fault Diagnostic, LED Short to Ground Detection, LED Shorted Detection, PWM Dimming, Thermal shutdown |
| Operating temperature range (°C) | -55 to 125 |
| Dimming method | PWM |
| Number of channels | 0 |
| Rating | Catalog |
| HTSSOP (PWP) | 20 | 41.6 mm² 6.5 x 6.4 |