STMicroelectronics STEVAL-IFP022V1

Overview

STEVAL-IFP022V1 from STMicroelectronics is an eight-channel high-side driver demonstration board based on the VNI8200XP IC, designed for industrial power management and digital interface validation. It operates from 10.5–33 V, delivers 0.7 A per channel, integrates high-speed opto-isolation for SPI/parallel control, low-speed opto-isolation for fault signaling, and a step-down converter for 3.3 V or 5 V digital supply - used to evaluate solid-state relay replacement in PLC output modules.

For engineers reviewing the STEVAL-IFP022V1 datasheet, STEVAL-IFP022V1 pinout, STEVAL-IFP022V1 application, or STEVAL-IFP022V1 equivalent, this board enables rapid functional validation of VNI8200XP-based high-side switching, isolated host communication, fault reporting, and thermal performance under IEC 61000-4-2/4/5 EMC compliance requirements.

Technical Context

The board implements galvanic isolation between the host controller and the VNI8200XP IPS using dedicated high-speed optocouplers for driving signals (SPI/parallel) and separate low-speed optocouplers for fault/status feedback. All eight channels are independently controllable with reverse polarity protection and integrated LED status indicators.

It features a four-layer PCB architecture optimized for thermal dissipation, supports GUI-based PC control via STEVAL-PCC009V2 communication board, and meets industrial EMC standards IEC 61000-4-2 (ESD), -4-4 (EFT), and -4-5 (surge).

Key Specifications

Availability

STEVAL-IFP022V1 is available at Aetrix Electronics and suitable for industrial PLC output stage evaluation, factory automation I/O module prototyping, and high-reliability solid-state relay replacement requiring stable component supply and full EMC validation support.

Supply support for STEVAL-IFP022V1 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 headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power ICs, sensors, and analog/mixed-signal devices for industrial, automotive, and consumer applications.

This board belongs to ST's STEVAL (ST Evaluation) series, developed specifically to accelerate functional validation and system-level integration of ST's intelligent power switches in industrial control and automation applications.

FAQ

What is the required interface hardware to operate STEVAL-IFP022V1 with a PC?

The STEVAL-IFP022V1 requires the STEVAL-PCC009V2 communication board to connect to a PC via USB. This adapter translates USB commands into isolated SPI/parallel signals compatible with the demo board's opto-isolated interface, enabling GUI-based channel control and status monitoring.

Does STEVAL-IFP022V1 support both SPI and parallel communication modes?

Yes - the board supports both SPI and parallel digital interfaces through its opto-isolated input section. The mode is selected via hardware configuration (jumpers or solder bridges as defined in the schematic), allowing flexible integration with different host controller architectures including microcontrollers and FPGA-based systems.

Can STEVAL-IFP022V1 drive inductive loads such as solenoids or relays?

Yes - each channel is rated for 0.7 A continuous current and includes built-in reverse polarity protection and clamp circuitry. When used with appropriate external flyback diodes (as recommended in VNI8200XP application notes), it safely commutates inductive loads common in industrial valve and actuator control.

Is the 3.3 V / 5 V step-down converter user-selectable?

Yes - the board includes a jumper-selectable output voltage for the integrated step-down converter, allowing users to configure either 3.3 V or 5 V to match the logic level requirements of their host microcontroller or interface circuitry without external regulation.