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| BQ27441-G1 Datasheet, PDF (10/22 Pages) Texas Instruments – System-Side Impedance Track Fuel Gauge | |||
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bq27441-G1
SLUSBH1A â NOVEMBER 2013 â REVISED JANUARY 2014
DATA COMMANDS
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STANDARD DATA COMMANDS
The bq27441-G1 uses a series of 2-byte standard commands to enable system reading and writing of battery
information. Each standard command has an associated command-code pair, as indicated in . Because each
command consists of two bytes of data, two consecutive I2C transmissions must be executed both to initiate the
command function, and to read or write the corresponding two bytes of data. Additional details are found in the
bq27441-G1 Technical Reference Manual (SLUUAC9).
NAME
Control( )
Temperature( )
Voltage( )
Flags( )
NominalAvailableCapacity( )
FullAvailableCapacity( )
RemainingCapacity( )
FullChargeCapacity( )
AverageCurrent( )
StandbyCurrent( )
MaxLoadCurrent( )
AveragePower( )
StateOfCharge( )
IntTemperature( )
StateOfHealth( )
Table 1. Standard Commands
CNTL
TEMP
VOLT
FLAGS
RM
FCC
SOC
SOH
COMMAND
CODE
0x00 / 0x01
0x02 / 0x03
0x04 / 0x05
0x06 / 0x07
0x08 / 0x09
0x0a / 0x0b
0x0c / 0x0d
0x0e / 0x0f
0x10 / 0x11
0x12 / 0x13
0x14 / 0x15
0x18 / 0x19
0x1c / 0x1d
0x1e / 0x1f
0x20 / 0x21
UNITS
N/A
0.1°K
mV
N/A
mAh
mAh
mAh
mAh
mA
mA
mA
mW
%
0.1°K
num / %
SEALED ACCESS
R/W
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
10
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