Getting Started with the bq76PL455EVM
Figure 9. Single bq76PL455EVM Switch Configuration
Set the switches to the default positions, or as follows:
1. The configuration for a sample period setting of 60.04
μ
s with 2.7 nF by setting switch 1 on the OUT
FILTER switch package to “ON” is shown in
2. Select single-ended serial communication by setting the
SW2 - COMM Mode Select
switch toward the
SINGLE silk screen label.
3. Connect the FTDI TTL-232R-5-V USB-to-Serial cable to the J3 - Serial connector and the USB port on
the PC.
NOTE:
For additional isolation safety, use a USB isolator between the PC’s USB port and the FTDI
cable. The KX USB-150 full-speed USB isolator has been tested by TI and it is available
from Keterex (see
for more details).
6.6
Connecting and Powering the bq76PL455EVM
Connect the bq76PL455A-Q1 evaluation module J1 - Battery connector to the battery stack or power
supply and apply power. Alternatively, a user-supplied load board (that is, resistive ladder board) and
power supply may be used to simulate cell connections.
22
bq76PL455EVM and GUI User Guide
SLUUBA7A – April 2015 – Revised July 2015
Copyright © 2015, Texas Instruments Incorporated