User's Guide
SNVU371 – December 2013
LP8557IEVM User Guide
1
Introduction
The LP8557IEVM evaluation kit requires external power and is controlled via I2C. It includes a USB2ANY
adapter board and instructions on downloading and installing the user software.
2
LP8557IEVM Instructions
External power must be provided to the part. A standard USB to mini cable must be connected to the
USB2ANY from a PC. The I
2
C-compatible interface program provides all of the control that the LP8557
part requires. For proper operation, first power the evaluation board; the USB2ANY should then be
plugged into the PC before the interface program is opened. Once the program is executed, a basic
interface window will open.
Figure 1. User Interface
1
SNVU371 – December 2013
LP8557IEVM User Guide
Copyright © 2013, Texas Instruments Incorporated