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1
Features
•
Complete evaluation system for the bq77910A 4-cell to 10-cell Li-Ion and Li-Polymer battery protector
•
Populated circuit module for 10-cell parallel FET configuration for quick setup
– Pads for components for configuration of additional cell counts and series FETs
•
Power connections available on terminal blocks or banana jacks
•
Control and status signals available on terminal blocks
•
Resistor cell simulator for quick setup with only a power supply
•
PC software available for configuration
1.1
Kit Contents
•
bq77910A circuit module
•
Resistor cell simulator
•
Set of support documentation
EVM Part Number
bq77910AEVM-001
NOTE: Although capacity is shown as "Any," practical limits of the physical construction of the
module will typically limit the operation of the EVM to a 1P or 2P battery construction. Refer
to the physical construction section for board details.
1.2
Required Equipment
The following equipment is required to operate the bq77910A EVM in a simple demonstration:
•
DC power supply, 0-43V at 0.5A
•
DC voltmeter or oscilloscope
•
DC power supply, ~3V at .1A or an approximately 15k-Ω 1/4W resistor
•
Test leads to connect equipment
The following equipment is required to operate the bq77910A with a more extensive demonstration:
•
TI USB-TO-GPIO interface adapter
•
Computer with USB port and compatible Windows 32 bit operating system
•
Electronic load
•
Additional power supplies
•
TI bq77908-10-GUI-SW Evaluation Software (see
2
bq77910A Circuit Module and Interfaces
The bq77910A circuit module contains the bq77910A IC and related circuitry to demonstrate the features
of the IC. A FET with heatsink is provided for the high current discharge path. A lower current FET is
provided for the charge path. A thermistor provides temperature sensing for the device. Other components
provide support for the IC and connections to the board.
2.1
Circuit Module Connections
Connections are provided for the following interfaces:
•
Direct cell connections
•
PACK connections
•
Programming interface
SLUU855 – February 2012
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Table 1. Ordering Information
Chemistry
Li-Ion
Section
Copyright © 2012, Texas Instruments Incorporated
Configuration
10 cells
4)
Features
Capacity
Any
3
bq77910AEVM
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