Circuit Module To Ev2300 Connections - I 2 C; Circuit Module To Ev2300 Connections - Hdq - Texas Instruments bq27742EVM User Manual

Hardware Connection
The following steps configure the hardware for interfacing to the PC:
1. Connect the bq27742-based EVM to the EV2300 interface board using wire leads as shown in
and Table 5.
bq27742-Based Battery (I
bq27742-Based Battery (HDQ Mode)
2. Connect a charger to wake-up the gauge, can use a power supply between PACK+ and PACK– or
short CELL+ and PACK+. After wake-up, the charger can be removed.
3. Connect the PC USB cable to the EV2300 interface board and the PC USB port.
The bq27742EVM is now set up for operation.
10
bq27742EVM Single-Cell Impedance Track™ Technology Evaluation Module
Table 4. Circuit Module to EV2300 Connections – I
2
C Mode)
SDA
SCL
VSS
Table 5. Circuit Module to EV2300 Connections – HDQ
HDQ
VSS
Copyright © 2014, Texas Instruments Incorporated
2
C
2
EV2300 (I C Port)
SDA
SCL
GND
EV2300 (HDQ Port)
HDQ
GND
SLUUAX8 – March 2014
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Table 4