Test Summary
2.2.7
Software
1. "Driver(USB EV2300) Installer XP2K-Last updated Jan28-04.zip": This is the EV2300 USB driver. Save
and unzip to c:\temp (or other directory). Double-click on the "setup.exe" file. Follow the installation
steps.
2. "bq24725EVMSetup.zip" (
): This is the bq24725 SMB evaluation software. Save and unzip to
c:\temp (or other directory). Double-click on the
“
SETUP.EXE
”
file. Follow the installation steps. This
software needs to be installed after the EV2300 USB driver.
3. Note: When the EV2300 is first inserted into the USB port of the personal computer, the user must
follow the instructions of the "Found New Hardware Wizard."
4. Allow Windows
™
to connect to Windows Update to search for software. Then click Next.
5. Select "Install software automatically (Recommended)." Then click Next.
6. If a window pops up informing the user that the TI USB Firmware Updater has not passed WIndows
Logo testing, click "Continue Anyway."
7. If a target file already exists and is newer, do not overwrite the newer file.
8. Click Finish.
2.3
Equipment Setup
1. Set the power supply #1 for 0 V
±
100 mVdc, with the current limit set to
>
5 A, and then turn off supply.
2. Connect the output of power supply #1 in series with a current meter (multimeter) to J1 (DCIN, GND).
3. Connect a voltage meter across J1 (DCIN, GND).
4. Set the power supply #2 for 3.3 V
±
100 mVdc, 0.2-A
±
0.1-A current limit, and then turn off supply.
5. Connect the output of the power supply #2 to J3 (3.3 V) and J4 (GND).
6. Connect a voltage meter across J2 (BAT, GND).
7. Connect a voltage meter across J2 (SYS, GND).
8. Connect J4 (SDA, SCL) and J4 (GND) to the EV2300 kit SMB port. See
for connection
references. Connect the USB port of the EV2300 kit to the USB port of the computer. The connections
are shown in
.
Table 1. bq24275EVM and EV2300 Connections
bq24725EVM
EV2300
GND (J4)
GND (1)
SCL (J4)
SMBC (2)
SDA (J4)
SMBD (3)
Figure 1. Connections of the EV2300 Kit
9. If JMP1 is not installed, install the jumper.
10. The test setup for HPA542 is shown in
4
bq24725EVM Evaluation Module
SLUU439A
–
August 2010
–
Revised May 2011
Copyright
©
2010
–
2011, Texas Instruments Incorporated
