Connectors; Powering The Bq79631Evm; Primary Input And Output Connectors; Table 3-1. Jumper Placements - Texas Instruments BQ79631EVM User Manual

Connectors

3 Connectors

3.1 Powering the BQ79631EVM

To enable the use of the BQ79731EVM, power is supplied through the 5V_LV connector on the left side of the
board. Simply connect the positive and negative terminals of a power supply set to 5 V to the pins 5V_LV and
GNDLV, respectively.

3.2 Primary Input and Output Connectors

3.2.1 Jumper Placements
Below is a table explaining each of the jumpers available to the user on the BQ79631EVM.
Pinheader
J2
3.2.2 Host Interface
The 10-pin J10 - Serial connector is used to connect the EVM to a PC running the GUI or to a host controller.
Texas Instruments recommends using the USB2ANY (available to order through TI.com), which includes the
proper 10-pin cable.
Designator
J10
Pin
1
2
3
4
5
6
7
8
9
10
3.2.3 High-Side and Low-Side Communications
There are two sets of 4-position molex connectors available on each BQ79631EVM board. These provide
high-side (J27) and low-side (J26) communications between stacked EVM devices.
Pin
1
2
3
4
8 BQ79631EVM Evaluation Module

Table 3-1. Jumper Placements

Contacts
1-2

Table 3-2. J10 Serial Connector

Manufacturer
Samtec Inc.

Table 3-3. Pin Descriptions

Table 3-4. Pin Description - J26

Name
COML_N
COML_P
Copyright © 2023 Texas Instruments Incorporated
Jumper Connection
VCC40V to Charge_Plus
Part Number
Manufacturer: TSW-105-08-L-D-
RA
Name
NC
NC
NFAULT signal from BQ79631-Q1
NC
GND
USB2ANY 3.3 V
USB2ANY TX (RX of BQ79631-Q1)
USB2ANY RX (TX of BQ79631-Q1)
NC
NC
Comments
COM low-side negative
COM low-side positive
N/A Unused
N/A Unused
www.ti.com
Populated by Default?
No
Mating Connector
10-pin ribbon connector
packaged with USB2ANY
SLUUCC3 – FEBRUARY 2021
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