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BQ2040 Datasheet, PDF (12/33 Pages) Texas Instruments – Gas Gauge IC With SMBus Interface
bq2040
Table 4. bq2040 Register Functions
Function
ManufacturerAccess
RemaningCapacityAlarm
RemainingTimeAlarm
BatteryMode
AtRate
AtRateTimeToFull
AtRateTimeToEmpty
AtRateOK
Temperature
Voltage
Current
AverageCurrent
MaxError
RelativeStateOfCharge
AbsoluteStateOfCharge
RemainingCapacity
FullChargeCapacity
RunTimeToEmpty
AverageTimeToEmpty
AverageTimeToFull
ChargingCurrent
ChargingVoltage
Battery Status
CycleCount
DesignCapacity
DesignVoltage
SpecificationInfo
ManufactureDate
SerialNumber
Reserved
ManufacturerName
DeviceName
Code
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0a
0x0b
0x0c
0x0d
0x0e
0x0f
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x1a
0x1b
0x1c
0x1d - 0x1f
0x20
0x21
Note:
1. Defaults after reset or power-up.
Access
read/write
read/write
read/write
read/write
read/write
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
read
-
read
read
Units
-
mAh
minutes
bit flag
mA
minutes
minutes
Boolean
0.1°K
mV
mA
mA
percent
percent
percent
mAh
mAh
minutes
minutes
minutes
mA
mV
bit flags
cycle
mAh
mV
-
-
integer
-
string
string
Defaults1
-
E2
E2
-
-
-
-
-
2930
E2
0
0
100
-
-
E2
E2
-
-
-
E2
E2
E2
E2
E2
E2
E2
E2
E2
-
E2
E2
12