TPS1HB50-Q1 器件是一款适用于 12V 汽车系统的智能高侧开关。该器件集成了强大的保护和诊断功能,可确保即使在汽车系统发生短路等不利事件时也能提供输出端口保护。该器件通过可靠的电流限制来防止故障,根据器件型号不同,电流限制可调范围为 2A 至 18A。凭借较高的电流限制范围,该器件可用于需要大瞬态电流的负载,而低电流限制范围可为不需要高峰值电流的负载提供更好的保护。该器件能够可靠地驱动各种负载分布。
TPS1HB50-Q1 还能够提供可改进负载诊断的高精度模拟电流检测。通过向系统 MCU 报告负载电流和器件温度,该器件可实现预测性维护和负载诊断,从而延长系统寿命。
TPS1HB50-Q1 采用 HTSSOP 封装,可减小 PCB 尺寸。
| Number of channels | 1 |
| Operating voltage (max) (V) | 18 |
| Operating voltage (min) (V) | 6 |
| Ron (typ) (mΩ) | 50 |
| Imax (A) | 4 |
| Current limit (min) (A) | 2 |
| Current limit (max) (A) | 26 |
| Current limit type | Adjustable |
| Current limit accuracy | +25%/-22% |
| Current sense accuracy | +4/-4% @ 1A |
| FET | Internal |
| Features | Current sense output, Current sense/monitor, Programmable current limit, Thermal shutdown, Under voltage lock out |
| Operating temperature range (°C) | -40 to 125 |
| Function | Adjustable current limit, Automotive load dump compatibility, Current monitoring, Inductive load compatibility, Inrush current control, Short circuit protection, Thermal shutdown |
| Rating | Automotive |
| HTSSOP (PWP) | 16 | 32 mm² 5 x 6.4 |