STMicroelectronics’ latest high-side switches, the IPS2050Hand the IPS2050H-32, permit two programmable current-limit values for smart driving of capacitive loads that draw high startup current.
These new dual-channel switches have an input voltage range from 8 V to 60 V and can withstand up to 65 V on the input pin, ensuring flexibility and robust performance in industrial applications. The integrated power MOSFET has low Rds(on), resulting in high energy efficiency and low thermal dissipation. In addition, MOSFET single-pulse avalanche energy greater than 1 J at 2 A boosts reliability for handling inductive loads. There is also an active clamp for fast demagnetisation.
The IPS2050H allows the main current limit to be programmed up to 2,5 A for driving loads controlled by a PLC module and for use in equipment such as factory automation I/O peripherals, CNC machines and general driving of resistive, inductive and capacitive loads. The IPS2050H-32 has a higher maximum current limit of 5,7 A for use with unidirectional motors in equipment such as vending machines. The current-activation threshold and limit values are configurable using external resistors. An external capacitor sets the duration of the startup current limit for smart driving of capacitive loads.
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