Texas Instruments BQ25720, User Manual, Page: 6 / 24

2.3 Equipment Setup
Use the following guidelines to set up the equipment:
1. Set power supply #1 for 10-V DC, 5-A current limit and then turn off the supply.
2. Connect the output of power supply #1 in series with a current meter to J1 (VIN and PGND).
3. Connect a voltage meter across J1 (VIN) and J1 (PGND).
4. Connect load #1 in series with a current meter to J6 (VSYS and PGND).
Connect a voltage meter across J6 (VSYS and PGND).
Set 1 A at the constant current mode. Turn off load #1.
5. Connect Load #2 in series with a current meter to J5 (VBAT and PGND).
Connect a voltage meter across J5 (VBAT and PGND).
Set 7 V at KEPCO load output. Turn off load #2.
Note
Add a 47-µF capacitor on the BAT pin when testing without a real battery.
6. Connect J3 to the EV2400. Connect J3 to the SMBus PORT 1 (BQ25720) or I
2
C PORT 2 (BQ25723) on the
EV2400. Figure 2-1 shows the connections.
The picture shows the SMBus version EVM connection. If using the BQ25723EVM, move the connector to the I
2
C port.
Figure 2-1. EV2400 Connections
Test Summary www.ti.com
6 BQ25720, BQ25723 Evaluation Module SLUUC74 – MAY 2021
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