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BQ27743 Datenblatt(PDF) 26 Page - Texas Instruments

Teilenummer BQ27743
Bauteilbeschribung  Single-Cell Li-Ion Battery Fuel Gauge with Programmable Hardware Protection
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Hersteller  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
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bq27743
SLUSCM0A – JUNE 2017 – REVISED SEPTEMBER 2018
www.ti.com
Product Folder Links: bq27743
Submit Documentation Feedback
Copyright © 2017–2018, Texas Instruments Incorporated
Standard Data Commands (continued)
Table 8. Standard Commands (continued)
COMMAND NAME
COMMAND CODE
UNIT
SEALED ACCESS
AverageCurrent()
0x14 and 0x15
mA
R
TimeToEmpty()
0x16 and 0x17
min
R
FilteredFCC()
0x18 and 0x19
mAh
R
SafetyStatus()
0x1A and 0x1B
R
UnfilteredFCC()
0x1C and 0x1D
mAh
R
Imax()
0x1E and 0x1F
mA
R
UnfilteredRM()
0x20 and 0x21
mAh
R
FilteredRM()
0x22 and 0x23
mAh
R
BTPSOC1Set()
0x24 and 0x25
mAh
RW
BTPSOC1Clear()
0x26 and 0x27
mAh
RW
InternalTemperature()
0x28 and 0x29
0.1°K
R
CycleCount()
0x2A and 0x2B
Counts
R
StateofCharge()
0x2C and 0x2D
%
R
StateofHealth()
0x2E and 0x2F
%/num
R
ChargingVoltage()
0x30 and 0x31
mV
R
ChargingCurrent)
0x32 and 0x33
mA
R
PassedCharge()
0x34 and 0x35
mAh
R
DOD0()
0x36 and 0x37
hex
R
SelfDischargeCurrent()
0x38 and 0x39
mA
R
PassedEnergy()
0x3A and 0x3B
0.1 mWh
R
8.7.1 Control(): 0x00 and 0x01
Issuing a Control() command requires a subsequent 2-byte subcommand. These additional bytes specify the
particular control function desired. The Control() command allows the system to control specific features of the
fuel gauge during normal operation and additional features when the fuel gauge is in different access modes, as
described in Table 9.
Table 9. Control() Subcommands
SUBCOMMAND NAME
SUBCOMMAND
CODE
SEALED
ACCESS
DESCRIPTION
CONTROL_STATUS
0x0000
Yes
Reports the status of DF Checksum, Impedance Track™, and so on
DEVICE_TYPE
0x0001
Yes
Reports the device type of 0x0742 (indicating bq27743)
FW_VERSION
0x0002
Yes
Reports the firmware version on the device type
HW_VERSION
0x0003
Yes
Reports the hardware version on the device type
PROTECTOR_VERSION
0x0004
Yes
Reports the hardware protector version on the device type
RESET_DATA
0x0005
Yes
Returns reset data
PREV_MACWRITE
0x0007
Yes
Returns previous Control() subcommand code
CHEM_ID
0x0008
Yes
Reports the chemical identifier of the Impedance Track™ configuration
BOARD_OFFSET
0x0009
No
Forces the device to measure and store the board offset
CC_OFFSET
0x000A
No
Forces the device to measure the CC offset
DF_VERSION
0x000C
Yes
Reports the data flash version of the device
SET_FULLSLEEP
0x0010
Yes
Sets the CONTROL_STATUS[FULLSLEEP] bit to 1
SET_SHUTDOWN
0x0013
Yes
Sets the CONTROL_STATUS[SHUTDWN] bit to 1
CLEAR_SHUTDOWN
0x0014
Yes
Clears the CONTROL_STATUS[SHUTDWN] bit to 1
STATIC_CHEM_CHKSUM
0x0017
Yes
Calculates chemistry checksum
ALL_DF_CHKSUM
0x0018
Yes
Reports checksum for all data flash excluding device specific variables
STATIC_DF_CHKSUM
0x0019
Yes
Reports checksum for static data flash excluding device specific variables


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