Texas Instruments Evaluation Module for BQ28400 Netbook and Tablet Lithium Ion Gas Gauge and Protector BQ28400EVM BQ28400EVM Datenbogen
Produktcode
BQ28400EVM
Pro (Advanced) Screen
www.ti.com
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Pro (Advanced) Screen
10.1 SMB Communication
The set of read/write operations over the SMBus are not specific to any gas gauge. These are provided as
general-purpose communication tools (
general-purpose communication tools (
10.2 Hexadecimal/Decimal Converter
Hexadecimal value and Decimal value convert between hexadecimal and decimal as soon as values are
typed into the boxes. Invalid values may cause erroneous results.
typed into the boxes. Invalid values may cause erroneous results.
When scaling converted hexadecimal values to a higher number of bytes, follow these rules:
•
•
When unsigned is selected, the left pad contains zeroes.
•
When signed is selected, the left pad contains zeroes for a positive number, or the left pad contains F
for negative numbers.
for negative numbers.
10.3 Programming
The Pro (Advanced) Screen enables device reprogramming from unencrypted and encrypted files.
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bq28400EVM-001 SBS 1.1 Compliant Tablet PC and Netbook 2-Series Cell
SLUU494 – February 2011
Li-Ion Battery Gas Gauge and Protection
© 2011, Texas Instruments Incorporated