Datasheet

bq27541-G1
www.ti.com SLUSAL6C –NOVEMBER 2011–REVISED OCTOBER 2012
Table 7. Data Flash Summary (continued)
Units
Subclass Data
Class Subclass Offset Name Min Value Max Value Default Value (EVSW
ID Type
Units)*
Gas Gauging 82 State 9 Avg P Last Run I2 -32768 32767 -1131 mA
Gas Gauging 82 State 11 Delta Voltage I2 -32768 32767 2 mV
Gas Gauging 82 State 15 T Rise I2 0 32767 20 Num
Gas Gauging 82 State 17 T Time Constant I2 0 32767 1000 Num
OCV Table 83 OCV Table 0 Chem ID H2 0 FFFF 0128 num
Ra Table 88 R_a0 0 Cell0 R_a flag H2 0x0 0x0 0xff55 -
Ra Table 88 R_a0 2-31 Cell0 R_a 0-14 I2 183 183 407
2
-10
Ω
Ra Table 89 R_a0x 0 xCell0 R_a flag H2 0xffff 0xffff 0xffff -
Ra Table 89 R_a0x 2-31 xCell0 R_a 0-14 I2 183 183 407
2
-10
Ω
Calibration 104 Data 0 CC Gain F4 1.0e-1 4.0e+1 0.4768
Calibration 104 Data 4 CC Delta F4 2.9826e+4 1.193046e+ 567744.56
6
Calibration 104 Data 8 CC Offset I2 -32768 32767 -1200 mA
Calibration 104 Data 10 Board Offset I1 -128 127 0 uAmp
Calibration 104 Data 11 Int Temp Offset I1 -128 127 0
Calibration 104 Data 12 Ext Temp Offset I1 -128 127 0
Calibration 104 Data 13 Pack V Offset I1 -128 127 0
Calibration 107 Current 1 Deadband U1 0 255 5 mA
Security 112 Codes 0 Sealed to Unsealed H4 0x0 0xffffffff 0x36720414 -
Security 112 Codes 4 Unsealed to Full H4 0x0 0xffffffff 0xffffffff -
Security 112 Codes 8 Authen Key3 H4 0x0 0xffffffff 0x01234567 -
Security 112 Codes 12 Authen Key2 H4 0x0 0xffffffff 0x89abcdef -
Security 112 Codes 16 Authen Key1 H4 0x0 0xffffffff 0xfedcba98 -
Security 112 Codes 20 Authen Key0 H4 0x0 0xffffffff 0x76543210 -
Table 8. Data Flash to EVSW Conversion
Data Flash (DF)
SubClass Data Data Flash Data Flash EVSW EVSW
Class SubClass Offset Name to EVSW
ID Type Default Unit Default Unit
Conversion
Gas Gauging 80 IT Cfg 78 User Rate-Pwr I2 0 cW/10W 0 mW/cW DF × 10
Gas Gauging 80 IT Cfg 82 Reserve Energy I2 0 cWh/10cWh 0 mWh/cW DF × 10
Calibration 104 Data 0 CC Gain F4 0.47095 Num 10.124 mΩ 4.768/DF
Calibration 104 Data 4 CC Delta F4 5.595e5 Num 10.147 mΩ 5677445/DF
Calibration 104 Data 8 CC Offset I2 –1200 Num –0.576 mV DF × 0.0048
Calibration 104 Data 10 Board Offset I1 0 Num 0 µV DF × 0.0075
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