Introduction
2
Introduction
The TSU6721EVM can be used as a standalone board or paired with the MSP-EXP430G2 LaunchPad to
facilitate power and I
2
C communication. When paired with the LaunchPad, The TSU6721EVM graphical
user interface (GUI) can be used to read from or write to internal registers of the TSU6721 micro-USB
switch, allowing the user to observe or control the switching of the device through I
2
C.
Table 1. Device and Package Configurations
MICRO-USB Switch
IC
Package
U1
TSU6721YFFR
DSBGA-32
Figure 1. TSU6721EVM
3
Setup
This section describes the header and jumper connections on the TSU6721EVM, installation of the
firmware on the MSP430 LaunchPad, installation of the software (GUI) on the computer, and getting
started using the TSU6721EVM.
3.1
Header and Jumper Connection Descriptions
3.1.1
J2, J4, and J7: Power Input Selectors
Header J2 allows VBAT input from the LaunchPad or external supply. The range is 3 V to 4.4 V.
Header J4 allows VDDIO input from the LaunchPad or external supply. The range is 1.65 V to 3.6 V.
Header J7 allows VBUS input from an external supply or input from micro-USB connector J15 (V_USB).
The range is 4 V to 6.5 V.
3.1.2
J1, J3, and J6: External Power Inputs
Terminal J1 is the external supply connector for J2.
3
SLVUA77 – May 2014
TSU6721EVM Micro-USB Switch Evaluation Module
Copyright © 2014, Texas Instruments Incorporated