STMicroelectronics has introduced fast-starting intelligent power switches for safety-instrumented systems. They are designed to meet IEC 61131-2. “With power-on delay time of less than 60µs, the IPS160HF and IPS161HF satisfy standardised requirements for interface types C and D in Safety Integrity Level (SIL) Class 3 applications,” according to the company. They will drive complex resistive, capacitive and ...
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