BQ27000 Datasheet, PDF (12/29 Pages) Texas Instruments – SINGLE CELL Li-Ion AND Li-Pol BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS (bqJUNIOR)

bq27000, bq27200
SLUS556B – SEPTEMBER 2004 – REVISED NOVEMBER 2004
Table 1. bq27000/bq27200 Memory Map
ADDRESS
0x7F
0x7E
0x7D
0x7C
0x7B
0x7A
0x79
0x78
0x77
0x76
0x6F - 0x75
0x6E
0x2D - 0x6D
0x2C
0x2B – 0x2A
0x29 – 0x28
0x27 - 0x26
0x25 - 0x24
0x23 - 0x22
0x21 - 0x20
0x1F - 0x1E
0x1D - 0x1C
0x1B - 0x1A
0x19 - 0x18
0x17 - 0x16
0x15 - 0x14
0x13 - 0x12
0x11 - 0x10
0x0F - 0x0E
0x0D - 0x0C
0x0B
0x0A
0x09 - 0x08
0x07 - 0x06
0x05 - 0x04
0x03 - 0x02
0x01
0x00
NAME
TCOMP
DCOMP
IMLC
PKCFG
TAPER
DMFSD
ISLC
SEDV1
SEDVF
ILMD
-
EE_EN
-
CSOC
CYCT
CYCL
TTECP
AP
SAE
MLTTE
MLI
STTE
SI
TTF
TTE
AI
LMD
CACT
CACD
NAC
RSOC
FLAGS
VOLT
TEMP
ARTTE
AR
MODE
CTRL
FUNCTION
EEPROM Registers
Temperature Compensation Constants, OR, ID#1
Discharge Rate Compensation Constants, OR, ID#2
Initial Max Load Current, OR, ID#3
Pack Configuration Values
Aging Estimate Enable, Charge Termination Taper Current
Digital Magnitude Filter and Self-Discharge Rate Constants
Initial Standby Load Current
Scaled EDV1 Threshold
Scaled EDVF Threshold
Initial Last Measured Discharge High Byte
RESERVED
EEPROM Program Enable
RESERVED
RAM Registers
Compensated State-of-Charge
Cycle Count Total High - Low Byte
Cycle Count Since Learning Cycle High - Low Byte
Time-to-Empty At Constant Power High - Low Byte
Average Power High - Low Byte
Available Energy High - Low Byte
Max Load Time-to-Empty High - Low Byte
Max Load Current High - Low Byte
Standby Time-to-Empty High - Low Byte
Standby Current High - Low Byte
Time-to-Full High - Low Byte
Time-to-Empty High - Low Byte
Average Current High - Low Byte
Last Measured Discharge High - Low Byte
Temperature Compensated CACD High – Low Byte
Discharge Compensated NAC High - Low Byte
Nominal Available Capacity High - Low Byte
Relative State-of-Charge
Status Flags
Reported Voltage High - Low Byte
Reported Temperature High - Low Byte
At-Rate Time-to-Empty High - Low Byte
At-Rate High - Low Byte
Device Mode Register
Device Control Register
(1) Divide by Rs in milliohms to convert µV to mA or µVh to mAh.
(2) Divide by Rs in milliohms to convert µV² to mW or µV²h to mWh.
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UNITS
457 µV⁽¹⁾
228 µV ⁽¹⁾
7.14 µV ⁽¹⁾
914 µVh ⁽¹⁾
%
Cycles
Cycles
Minutes
29.2 µV²⁽²⁾
29.2 µV²⁽²⁾
Minutes
3.57 µV ⁽¹⁾
Minutes
3.57 µV ⁽¹⁾
Minutes
Minutes
3.57 µV ⁽¹⁾
3.57 µV ⁽¹⁾
3.57 µV ⁽¹⁾
3.57 µV ⁽¹⁾
3.57 µV ⁽¹⁾
%
mV
0.25 °K
Minutes
3.57 µV ⁽¹⁾
ACCESS
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
R/W
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R/W
R/W
R/W
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