Linear Technology LTC4240 Quick Start Guide

About this manual

This document is a Quick Start Guide for Demonstration Circuit 458, which features the LTC4240 I2C Compact PCI Hot Swap Controller. It describes the configuration of the circuit as part of the Linear Technology QuickEval system for easy I2C control.

The guide details the procedure for connecting the DC458 board to a computer via the DC590A USB controller board and running the QuickEval software. It explains how to select the I2C address, send command bytes, read status registers, and monitor LED indicators for fault conditions.

What's inside

• QuickEval Procedure
• I2C Address Selection
• Command Byte Configuration
• Status Field Reading
• Quick Read Field
• Troubleshooting

Frequently asked questions

How is the LTC4240 QuickEval software obtained?

The QuickEval software is downloaded from the Linear Technology website.

What happens if no I2C address is found for the LTC4240?

If no address is found, the selected address will be set to 00h.

How often does the continuous read poll the LTC4240?

The poll is set to read every 500ms.