bq27531-G1

SLUSBE7 – MARCH 2013

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DATA COMMANDS

STANDARD DATA COMMANDS

The bq27531-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 Table 2. Because

initiate the command function, and to read or write the corresponding two bytes of data. Additional details are

found in the bq27531-G1 Technical Reference Manual.

Table 2. Standard Commands

SEALED

UNSEALED

NAME

COMMAND CODE

UNITS

ACCESS

ACCESS

Control( )

0x00 / 0x01

N/A

R/W

R/W

AtRate( )

0x02 / 0x03

mA

R/W

R/W

AtRateTimeToEmpty( )

0x04 / 0x05

Minutes

R

R/W

Temperature( )

0x06 / 0x07

0.1 K

R/W

R/W

Voltage( )

0x08 / 0x09

mV

R

R/W

Flags( )

0x0a / 0x0b

N/A

R

R/W

NominalAvailableCapacity( )

0x0c / 0x0d

mAh

R

R/W

FullAvailableCapacity( )

0x0e / 0x0f

mAh

R

R/W

RemainingCapacity( )

0x10 / 0x11

mAh

R

R/W

FullChargeCapacity( )

0x12 / 0x13

mAh

R

R/W

AverageCurrent( )

0x14 / 0x15

mA

R

R/W

TimeToEmpty( )

0x16 / 0x17

Minutes

R

R/W

RemainingCapacityUnfiltered( )

0x18 / 0x19

mAh

R

R/W

StandbyCurrent( )

0x1a / 0x1b

mA

R

R/W

RemainingCapacityFiltered( )

0x1c / 0x1d

mAh

R

R/W

ProgChargingCurrent( )

0x1e / 0x1f

mA

ProgChargingVoltage( )

0x20 / 0x21

mV

FullChargeCapacityUnfiltered( )

0x22 / 0x23

mAh

R

R/W

AveragePower( )

0x24 / 0x25

mW

R

R/W

FullChargeCapacityFiltered( )

0x26 / 0x27

mAh

R

R/W

StateOfHealth( )

0x28 / 0x29

% / num

R

R/W

CycleCount( )

0x2a / 0x2b

Counters

R

R/W

StateOfCharge( )

0x2c / 0x2d

%

R

R/W

TrueSOC( )

0x2e / 0x2f

%

R

R/W

InstantaneousCurrentReading( )

0x30 / 0x31

mA

R

R/W

InternalTemperature( )

0x32 / 0x33

0.1 K

R

R/W

ChargingLevel( )

0x34 / 0x35

HEX

R

R

LevelTaperCurrent( )

0x6e / 0x6f

mA

R

R

CalcChargingCurrent( )

0x70 / 0x71

mA

R

R

CalcChargingVoltage( )

0x72 / 0x73

V

R

R

(1)

Only writeable when Charger Options [BYPASS] is set.

10

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