Hardware Setup - Texas Instruments BQ25638 Series User Manual

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2.4 Hardware Setup

Use the following list to set up the EVM testing equipment:
1. Review EVM jumper connections in
2. Set PS #1 for 5-V DC, 2-A current limit and then turn off the supply.
3. Connect the output of PS#1 in series with a current meter to J1 (VBUS and PGND).
4. Connect a voltage meter across TP10 (VBUS) and TP29 (PGND), or across J1.
5. Turn on Load #1, set to constant voltage mode, and output to 2.5-V. Disable Load. Connect Load in series
with a current meter (multimeter), ground side, to J4 (BAT and PGND) as shown in
source meter with current measuring capabilities.
6. Connect a voltage meter across TP13 (BAT) and TP27 (PGND), or across J4-3 and J4-1 as in
7. Connect a voltage meter across TP14 (SYS) and TP27 (PGND), or across J2-1 and J2-2 as in
8. Connect a voltage meter across TP12 (PMID) and TP29 (PGND), or across J3-1 and J3-2 as in
9. Connect the EV2400 USB interface board to the computer with a USB cable and from I2C port to J5 with the
4-pin cable as in Figure
10. Install shunts as shown in
table.
Power Supply #1
USB
SLUUCR0A – SEPTEMBER 2023 – REVISED DECEMBER 2023
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Table 2-2.
2-1.
Table 2-2. Note that the shunts in
±
+
EV2400
4-pin Connector
Figure 2-1. Test Setup for BQ25638x EVM
Copyright © 2023 Texas Instruments Incorporated
Figure 2-1 are not necessarily installed per the
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+
±
VBAT
VSYS
Hardware
Figure 2-1 in not using a
Figure 2-1.
Figure 2-1.
Figure 2-1.
±
Load #1
+
±
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BQ25638x Evaluation Module 5