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X-NUCLEO-OUT14A1

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Industrial digital output expansion board based on ISO808A-1 for STM32 Nucleo

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Parameter NameParameter Value
Target ApplicationFactory Automation
Core ProductISO808ATR-1
ECCN USEAR99
ECCN EUNEC
Packing TypeNot Applicable
RoHs compliantEcopack2
GradeIndustrial
Package NameCARD


The X-NUCLEO-OUT14A1 is an industrial digital output expansion board for STM32 Nucleo. It provides a powerful and flexible environment for the evaluation of the driving and diagnostic capabilities of the ISO808A-1 octal high-side smart power solid state relay, with embedded galvanic isolation and 20MHz SPI control interface, in a digital output module connected to 1.0 A industrial loads.



The X-NUCLEO-OUT14A1 directly interfaces with the microcontroller on the STM32 Nucleo driven by GPIO pins and Arduino® R3 connectors.



The galvanic isolation between the microcontroller and the process stage is guaranteed by the ISO808A-1.



The expansion board can be connected to either a NUCLEO-F401RE or a NUCLEO-G431RB development board.



It is also possible to evaluate a 16 channel digital output system enabling the daisy chaining feature on two X-NUCLEO-OUT14A1 stacked expansion boards.


Key features
  • Based on the ISO808A-1 octal high-side switch, which features:Operating range 9.2 to 36 VLow power dissipation (RProcess side operating current: up to 1.0 A per channelEmbedded 2k VPGOOD (VCC voltage level alarm signalization)20 MHz SPI with daisy chainingFast decay for inductive loadsUndervoltage lock-outOverload and overtemperature protectionsLoss of ground protectionPowerSO36 package
  • Application board process side operating range: 10 (J10 open) to 33 V (J9 closed)
  • Extended operating range of process side from 9.2 (J10 closed) up to 36 V (J9 open)
  • Application board logic side operating voltage 3.3 to 5 V
  • Green LEDs for outputs on/off status (J6 and J7 close 1-2, 3-4, 5-6, 7-8)
  • Red LED for common overheating and communication error diagnostic (J3 close 1-2)
  • Red LED for PGOOD signalization (J3 close 3-4)
  • Yellow LED for output enable status signalization (J3 close 5-6)
  • Process and logic supply rails reverse polarity protections
  • Compatible with STM32 Nucleo development boards
  • Equipped with Arduino® UNO R3 connectors
  • RoHS and China RoHS compliant
  • CE certified