November 2012

Doc ID 15716 Rev 2

1/19

AN2985

Application note

STEVAL-IFP010V3: designing with VNI2140J dual high-side

smart power solid-state relay IC

Introduction

The STEVAL-IFP010V3 demonstration board has been developed to show the VNI2140J

device functionalities within industrial applications such as PLCs (programmable logic

controllers) which drive lamps, valves, relays, and similar loads.

This tool allows evaluating VNI2140J features, in particular embedded self-protection,

power-handling capabilities, operation and diagnostic feedback, thermal behavior and

conformity to EMC immunity standards.

Figure 1.

STEVAL-IFP010V3

A double-sided PCB allows obtaining the best trade-off between a routing solution and

thermal management results.

The main features of the demonstration board are:

●

Two output channels (2 x 1 A)

●

Two input channels

●

Two feedback channels for fault and open load diagnostics

●

Bidirectional opto-isolated interface for MCU safe connection

●

TTL/CMOS compatible signals for MCU direct connection

●

LEDs to indicate outputs

●

Compliance to IEC61000-4-4 and IEC61000-4-5 standards

●

Compatibility with existing STMicroelectronics tools (IBU communication board,

CANIC10, for example) 10.5 V to 36 V DC power supply voltage range demonstration

board description

www.st.com