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Chapter 4
SLUUAC9A – December 2013 – Revised May 2015
Standard Commands
The fuel gauge 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 I
2
C transmissions must
be executed both to initiate the command function and to read or write the corresponding two bytes of
data.
Table 4-1. Standard Commands
Name
Command
Unit
SEALED Access
Code
Control()
CNTL
0x00 and 0x01
NA
RW
Temperature()
TEMP
0x02 and 0x03
0.1°K
RW
Voltage()
VOLT
0x04 and 0x05
mV
R
Flags()
FLAGS
0x06 and 0x07
NA
R
NominalAvailableCapacity()
0x08 and 0x09
mAh
R
FullAvailableCapacity()
0x0A and 0x0B
mAh
R
RemainingCapacity()
RM
0x0C and 0x0D
mAh
R
FullChargeCapacity()
FCC
0x0E and 0x0F
mAh
R
AverageCurrent()
0x10 and 0x11
mA
R
StandbyCurrent()
0x12 and 0x13
mA
R
MaxLoadCurrent()
0x14 and 0x15
mA
R
AveragePower()
0x18 and 0x19
mW
R
StateOfCharge()
SOC
0x1C and 0x1D
%
R
InternalTemperature()
0x1E and 0x1F
0.1°K
R
StateOfHealth()
SOH
0x20 and 0x21
num / %
R
RemainingCapacityUnfiltered()
0x28 and 0x29
mAh
R
RemainingCapacityFiltered()
0x2A and 0x2B
mAh
R
FullChargeCapacityUnfiltered()
0x2C and 0x2D
mAh
R
FullChargeCapacityFlitered()
0x2E and 0x2F
mAh
R
StateOfChargeUnfiltered()
0x30 and 0x31
mAh
R
16
Standard Commands
SLUUAC9A – December 2013 – Revised May 2015
Copyright © 2013–2015, Texas Instruments Incorporated