The BTS737S3 is a smart high‑side power switch built in Infineon's Smart SIPMOS® technology. It offers four parallel channels, low standby current, and a range of built‑in protection features such as overload, current‑limit, reverse‑battery, over‑voltage, loss‑of‑ground and ESD protection.
The device is supplied in a P‑DSO‑28‑16 package and includes diagnostic feedback, proportional current‑sense outputs, and a CMOS‑compatible input. Detailed electrical, thermal, and operating specifications are provided for design integration.
| Operating voltage (Vop) | 5.0 – 40 V |
|---|---|
| On‑state resistance (Ron) | 35 mΩ |
| Nominal load current (one channel active) | 5.4 A |
| Current limitation | 40 A |
| Standby current | 10 – 25 µA |
The device provides four independent high‑side channels.
The part is supplied in a P‑DSO‑28‑16 surface‑mount package.