TPS27SA08-Q1 器件是一款适用于 24V 电源系统的单通道智能高侧开关。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,即通过将输出电流调节为设定值(通常为 20A)来应对过流事件。TPS27SA08-Q1 器件还可提供高精度模拟电流感应,可在驱动不同负载分布的同时改进诊断。通过向系统 MCU 报告负载电流、器件温度和电源电压,该器件可实现预测性维护和负载诊断,从而延长系统寿命。
TPS27SA08-Q1 器件采用小型的 16 引脚 HTSSOP 封装,以减小 PCB 尺寸。
| Number of channels | 1 |
| Operating voltage (max) (V) | 36 |
| Operating voltage (min) (V) | 8 |
| Ron (typ) (mΩ) | 9 |
| Imax (A) | 10 |
| Current limit (min) (A) | 20 |
| Current limit (max) (A) | 20 |
| Current limit type | Fixed |
| TI functional safety category | Functional Safety-Capable |
| Current limit accuracy | +25/-25% |
| Current sense accuracy | +5/-5% @ 0.78A |
| FET | Internal |
| Features | Current sense output, Current sense/monitor, Inductive load compatibility, Inrush current control, Short circuit protection, Thermal shutdown, Under voltage lock out |
| Operating temperature range (°C) | -40 to 125 |
| Function | Automotive load dump compatibility, Inductive load compatibility, Inrush current control, Short circuit protection, Thermal shutdown |
| Rating | Automotive |
| HTSSOP (PWP) | 16 | 32 mm² 5 x 6.4 |