Texas Instruments bq24195/L, Руководство пользователя, Страница: 5 / 24

S
PWR193
bq2419x-EVM
J4
To Computer
USB Port
USB Interface
Adapter
I/O
USB
10-pin
Ribbon Cable
‘To EVM’
T
exas Instruments
©
2006
www.ti.com
Test Summary
2.2 Equipment Setup
1. Set PS#1 for 5-V DC, 1-A current limit and then turn off the supply.
2. Connect the output of PS#1 in series with a current meter (multimeter) to J1 (V
BUS
and GND).
3. Connect a voltage meter across J1 (V
BUS
) and J1 (GND).
4. Turn on the Load, set to constant voltage mode and output to 2.5 V. Turn off (disable) Load. Connect
Load in series with a current meter (multimeter), ground side, to J2 (BAT+ and GND) as shown in
Figure 2 .
5. Connect a voltage meter across J2 (BAT+ and GND).
6. Connect the HPA172 USB interface adapter to the computer with a USB mini-cable and to J3 with the
10-pin ribbon cable. The connections are shown in Figure 1 .
Figure 1. Connections of the HPA172 Kit
Figure 2 shows the test setup for PWR193.
7. Install shunts as shown in Table 2 .
Figure 2. Original Test Setup for PWR193 (bq24195/L EVM)
5 SLUUA18 – October 2012 bq24195/L EVM (PWR193) User’s Guide
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