Active high-side driver for solenoids and relays
The TDE1747FP is a single-channel high-side power driver from STMicroelectronics, rated for 1 A continuous output current across a 10 V to 45 V load supply range — sized for switching solenoids, relays, and inductive loads in industrial and appliance control boards. Its 1:1 input-to-output ratio means one logic-level control signal drives the output directly; the On/Off interface accepts both inverting and non-inverting input configurations, giving the firmware engineer flexibility to match the upstream logic polarity without extra external gates.
Protection and thermal management
Built-in fault protection includes an adjustable current limit and over-temperature shutdown — the current limit threshold is set externally, so the same PCB layout can be tuned for a 500 mA solenoid or a 1 A relay without changing the driver IC.