BQ27741-G1_14 Datasheet, PDF (28/39 Pages) Texas Instruments – Single Cell Li-Ion Battery Fuel Gauge with Integrated Protection

bq27741-G1
SLUSBF2 – JULY 2013
www.ti.com
Table 13. Data Flash Summary—Security
SUBCLASS SUBCLASS
ID
NAME
112
Codes Sealed to Unsealed
Unsealed to Full
Authen Key3
Authen Key2
Authen Key1
Authen Key0
OFFSET
0
4
8
12
16
20
DATA
TYPE
H4
H4
H4
H4
H4
H4
MIN
0x0000 0000
0x0000 0000
0x0000 0000
0x0000 0000
0x0000 0000
0x0000 0000
VALUE
MAX
0xFFFF FFFF
0xFFFF FFFF
0xFFFF FFFF
0xFFFF FFFF
0xFFFF FFFF
0xFFFF FFFF
DEFAULT
0x3672 0414
0xFFFF FFFF
0x0123 4567
0x89AB CDEF
0xFEDC BA98
0x7654 3210
UNIT
hex
hex
hex
hex
hex
hex
Table 14. Data Flash to EVSW Conversion
Class
SubClass
ID
SubClass
Offset
Gas Gauging
80
Gas Gauging
80
IT Cfg
78
IT Cfg
82
Calibration
104
Calibration
104
Calibration
104
Calibration
104
Data
0
Data
4
Data
8
Data
10
Name
User Rate-Pwr
Reserve Energy
CC Gain
CC Delta
CC Offset
Board Offset
Data Data Flash Data Flash
Type
Default
Unit
I2
0
cW/10W
I2
0
cWh/10cWh
F4
0.47095
F4
5.595e5
I2
–1200
I1
0
number
number
number
number
EVSW
Default
EVSW
Unit
0
mW/cW
0
mWh/cW
10.124
mΩ
10.147
mΩ
–0.576
mV
0
µV
Data Flash
to EVSW
Conversion
DF × 10
DF × 10
4.768/DF
5677445/DF
DF × 0.0048
DF × 0.0075
Table 15. ORDERING INFORMATION
PRODUCTION
PART NO.⁽¹⁾
bq27741YZFR-G1
bq27741YZFT-G1
FIRMWARE
VERSION
1.07
PACKAGE ⁽²⁾
CSP-15
T_A
–40°C to 85°C
COMMUNICATION
FORMAT
I²C, HDQ⁽¹⁾
TAPE and REEL
QUANTITY
3000
250
(1) bq27741-G1 is shipped in the I²C mode.
(2) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
28
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