STMicroelectronics X-NUCLEO-OUT09A1

Overview

X-NUCLEO-OUT09A1 from STMicroelectronics is an industrial digital output expansion board for STM32 Nucleo development platforms, built around the IPS8160HQ octal high-side smart power solid-state relay. It delivers up to 0.7 A per channel across eight independently controlled outputs, operates from 15–33 V (extendable to 36 V), features 3 kV galvanic isolation via optocouplers, and provides real-time thermal and overload diagnostics via red/green LEDs.

For engineers reviewing the X-NUCLEO-OUT09A1 datasheet, X-NUCLEO-OUT09A1 pinout, X-NUCLEO-OUT09A1 application, or X-NUCLEO-OUT09A1 equivalent, this board enables rapid evaluation of industrial-grade digital output driving, fault diagnostics, and safe interfacing with PLC-like loads using Arduino® UNO R3 and Morpho connectors on STM32 Nucleo boards.

Technical Context

The board implements eight independent high-side switching channels using the IPS8160HQ, each with integrated undervoltage lock-out, overtemperature shutdown, loss-of-ground detection, and fast inductive load decay control. Input logic signals are isolated via TLP293-4 and ACPL-217-50AE optocouplers rated for 3 kV and 3.7 kV respectively.

Power delivery supports dual-rail operation: microcontroller-side logic (3.3 V/5 V) and industrial load-side supply (15–36 V), with reverse polarity protection on the VIN rail and ESD transient suppression (ESDA15P60-1U1M) on all I/O lines.

Key Specifications

Availability

X-NUCLEO-OUT09A1 is available at Aetrix Electronics and suitable for programmable logic controller (PLC) prototyping, industrial I/O module validation, and STM32-based automation system development requiring stable component supply and certified CE/RoHS compliance.

Supply support for X-NUCLEO-OUT09A1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader specializing in microcontrollers, power management, analog ICs, and industrial-grade interface solutions, headquartered in Geneva, Switzerland.

The X-NUCLEO series is designed specifically to accelerate evaluation and firmware development for ST's intelligent power switches (IPS) in industrial automation, offering hardware-ready interfaces to STM32 MCUs and standardized expansion form factors.

FAQ

What microcontrollers is the X-NUCLEO-OUT09A1 compatible with?

The board is natively compatible with STM32 Nucleo development boards including NUCLEO-F401RE and NUCLEO-G431RB via Arduino® UNO R3 and Morpho headers. It requires GPIO-controlled logic-level inputs and does not support direct connection to non-ST MCUs without level-shifting and isolation adaptation.

Does the board provide short-circuit protection per channel?

Yes - each IPS8160HQ channel integrates dedicated overload protection that triggers automatic shutdown during sustained overcurrent events, with automatic recovery after fault removal and thermal cooldown. The STATUS pin and red LED indicate active thermal or overload faults.

Can the X-NUCLEO-OUT09A1 drive inductive loads like solenoids or relays?

Yes - the IPS8160HQ features fast decay circuitry optimized for inductive loads, minimizing voltage spikes and ensuring reliable turn-off. External flyback diodes are not required, as energy dissipation is handled internally with controlled current decay.

Is external power required for the load side, and what are the voltage limits?

Yes - the board requires a separate industrial supply (VIN) for the load side, rated 15–33 V by default. With jumper J9 open, the upper limit extends to 36 V. This rail is fully isolated from the MCU side and includes reverse-polarity protection.