P-channel high-side switch for 24V/48V industrial buses
The STMicroelectronics IPS161H is a single-output, high-side P-channel power switch built for switching loads on 8V to 60V rails. Typical Rds(on) is 60 mOhm, keeping conduction losses manageable at the 1.7 A continuous output ceiling. The PowerSSO-12 package with exposed pad pulls heat into the board plane — critical for sustained current near the rating.
Fault protection set — what's built in
On-chip fault protection covers current limiting (fixed threshold), open-load detection, over-temperature shutdown, and undervoltage lockout. The open-load detect is useful for wiring integrity checks in remote I/O and actuator drives — saves an external sense resistor.
The wide supply range — no separate Vcc required — lets it run directly from the load bus.