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BQ27743 Datasheet(数据表) 27 Page - Texas Instruments

部件型号  BQ27743
说明  Single-Cell Li-Ion Battery Fuel Gauge with Programmable Hardware Protection
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 

 27 page
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27
bq27743
www.ti.com
SLUSCM0A – JUNE 2017 – REVISED SEPTEMBER 2018
Product Folder Links: bq27743
Submit Documentation Feedback
Copyright © 2017–2018, Texas Instruments Incorporated
Table 9. Control() Subcommands (continued)
SUBCOMMAND NAME
SUBCOMMAND
CODE
SEALED
ACCESS
DESCRIPTION
PROTECTOR_CHKSUM
0x001A
Yes
Reports checksum for protector configuration data flash excluding device
specific variables
SMOOTH_SYNC
0x001E
Yes
Synchronizes RemainingCapacityFiltered() and
FullChargeCapacityFiltered() with RemainingCapacityUnfiltered() and
FullChargeCapacityUnfiltered()
SEALED
0x0020
No
Places the fuel gauge in SEALED access mode
IT_ENABLE
0x0021
No
Enables the Impedance Track™ algorithm
IMAX_INT_CLEAR
0x0023
Yes
Clears an Imax interrupt that is currently asserted on the INT/PSC pin.
START_TEST
0x0024
No
Starts the Test based on the data entered in the Test() register. This sets
and clears [TEST] in CONTROL_STATUS.
CAL_ENABLE
0x002D
No
Toggle CALIBRATION mode
RESET
0x0041
No
Forces a full reset of the fuel gauge
EXIT_CAL
0x0080
No
Exit CALIBRATION mode
ENTER_CAL
0x0081
No
Enter CALIBRATION mode
OFFSET_CAL
0x0082
No
Reports internal CC offset in CALIBRATION mode
(1)
SEALED and UNSEALED states are entered via commands to Control() 0x00 and 0x01
(2)
In SEALED mode, data flash cannot be accessed through commands 0x3E and 0x3F.
(3)
The BlockData() command area shares functionality for accessing general data flash and for using Authentication. See Authentication in
the bq27743 Technical Reference Manual (SLUUBP5) for more details.
8.8 Extended Data Commands
Extended commands offer additional functionality beyond the standard set of commands. They are used in the
same manner; however unlike standard commands, extended commands are not limited to 2-byte words. The
number of command bytes for a given extended command ranges in size from single to multiple bytes, as
specified in Table 10. For details on the SEALED and UNSEALED states, see the Access Modes section in the
bq27743 Technical Reference Manual (SLUUBP5).
Table 10. Extended Commands
NAME
COMMAND CODE
UNIT
SEALED
ACCESS(1)(2)
UNSEALED
ACCESS(1)(2)
PackConfiguration()
0x3A and 0x3B
Hex
R
R
DesignCapacity()
0x3C and 0x3D
mAh
R
R
DataFlashClass()(2)
0x3E
NA
NA
RW
DataFlashBlock()(2)
0x3F
NA
RW
RW
BlockData()/Authenticate()(3)
0x40 to 0x53
NA
RW
RW
BlockData()/AuthenticateCheckSum()(3)
0x54
NA
RW
RW
BlockData()
0x55 to 0x5F
NA
R
RW
BlockDataCheckSum()
0x60
NA
RW
RW
BlockDataControl()
0x61
NA
NA
RW
DODatEOC()
0x62 and 0x63
NA
R
R
Qstart()
0x64 and 0x65
mAh
R
R
FastQmax()
0x66 and 0x67
mAh
R
R
Reserved
0x68 to 0x6C
NA
R
R
ProtectorStatus()
0x6D
Hex
R
R
Reserved
0x6E and 0x6F
NA
R
R
SimultaneousCurrent()
0x70 and 0x71
mA
R
R
Reserved
0x72 and 0x73
NA
R
R
Test()
0x74 and 0x75
Hex
R
RW
AveragePower()
0x76 and 0x77
mW or cW
R
R
ProtectorState()
0x78
Hex
R
R




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