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ISOFACE? output switches

Galvanically-isolated 8-channel output switches

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Overview

ISOFACE? output switches allow an efficient IEC61131-2 compliant design of digital I/O modules that are widely used in PLC systems. ISOFACE? IC's provide a high level of functional integration reducing the external BOM and PCB space demand. They offer advanced features including VBB monitoring and comprehensive diagnosis with a low demand of GPIOs. The robust integrated galvanic isolation underlines their reliability and longevity in the field.

Key Features

  • 8 channels: load current from 0.6 - 1.2A
  • Protected against short-circuit
  • Overtemperature protected
  • Precise current limitation
  • Output clamping for inductive loads
  • Suitable for all type of loads
  • Comprehensive diagnostic feedback
  • VBB voltage monitoring
  • Compliant to IEC61131-2
  • UL508 certified

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About

ISOFACE??galvanically-isolated 8-channel output switches

ISOFACE? output switches support a maximum nominal load current of 1.2 A per channel. Parallel combinations enable switching loads of up to 2 A, while inductive clamping diodes are already integrated, eliminating the need for additional clamping diodes to absorb commutation power when switching inductive loads.

Complete integration with ISOFACE??output switches

ISOFACE? output switches offers robust and intelligent galvanically isolated switches, interfacing with microcontrollers or bus- ASICs. The integrated 8-channel high-side power switches are versatile, capable of driving various resistive, inductive, or capacitive loads.

Improve system safety with ISOFACE? output switches

ISOFACE? output switches are extremely rugged, featuring short-circuit protection and temperature monitoring for each switch output. In case of undervoltage, overload, or overtemperature, the microcontroller or bus-ASIC receives diagnostic feedback, and the respective output channel is turned off. Monitoring the load-side supply voltage (Vbb) ensures proper MOSFET output stage switching, automatically turning off outputs if a critical minimum level is reached. The auto-restart function reactivates the output channel when undervoltage, overload, or overtemperature issues are resolved. Additionally, a disable input pin allows asynchronous turn-off of all outputs, enhancing system safety and supporting system maintenance.

Setting the standard in diagnostics

ISO2H823V2.5 offers exceptional diagnostics, distinguishing up to five types of events on a channel-level and five additional types on the IC-level. These diagnostic capabilities allow for preventive maintenance and expedite error detection during unscheduled downtimes, reducing the valuable time to system restart.

ISOFACE??galvanically-isolated 8-channel output switches

ISOFACE? output switches support a maximum nominal load current of 1.2 A per channel. Parallel combinations enable switching loads of up to 2 A, while inductive clamping diodes are already integrated, eliminating the need for additional clamping diodes to absorb commutation power when switching inductive loads.

Complete integration with ISOFACE??output switches

ISOFACE? output switches offers robust and intelligent galvanically isolated switches, interfacing with microcontrollers or bus- ASICs. The integrated 8-channel high-side power switches are versatile, capable of driving various resistive, inductive, or capacitive loads.

Improve system safety with ISOFACE? output switches

ISOFACE? output switches are extremely rugged, featuring short-circuit protection and temperature monitoring for each switch output. In case of undervoltage, overload, or overtemperature, the microcontroller or bus-ASIC receives diagnostic feedback, and the respective output channel is turned off. Monitoring the load-side supply voltage (Vbb) ensures proper MOSFET output stage switching, automatically turning off outputs if a critical minimum level is reached. The auto-restart function reactivates the output channel when undervoltage, overload, or overtemperature issues are resolved. Additionally, a disable input pin allows asynchronous turn-off of all outputs, enhancing system safety and supporting system maintenance.

Setting the standard in diagnostics

ISO2H823V2.5 offers exceptional diagnostics, distinguishing up to five types of events on a channel-level and five additional types on the IC-level. These diagnostic capabilities allow for preventive maintenance and expedite error detection during unscheduled downtimes, reducing the valuable time to system restart.

Documents

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Design resources

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