Datasheet

bq27541-V200

SLUSA11B –FEBRUARY 2010–REVISED SEPTEMBER 2013

www.ti.com

Table 7. Data Flash Summary (continued)

Class Subclass Subclass Offset Name Data Min Value Max Value Default Value Units

ID Type

Gas Gauging 82 State 11 Delta Voltage I2 –32768 32767 2 mV

Gas Gauging 82 State 15 T Rise I2 0 32767 0 num

Gas Gauging 82 State 17 T Time Constant I2 0 32767 32767 num

OCV Table 83 OCV Table 0 Chem ID H2 0 FFFF 0107 num

Ra Tables 88 Data 0-31 Cell0 R_a Table See Note 1

Ra Tables 89 Data 0-31 xCell0 R_a Table See Note 1

Calibration 104 Data 0 CC Gain (Note 4) F4 1.00E-01 4.00E+01 0.47095 num

Calibration 104 Data 4 CC Delta Note 4) F4 2.98E+04 1.19E+06 5.595e5 num

Calibration 104 Data 8 CC Offset (Note 4) I2 –32768 32767 –1200 num

Calibration 104 Data 10 Board Offset (Note 4) I1 –128 127 0 num

Calibration 104 Data 11 Int Temp Offset I1 –128 127 0 0.1°C

Calibration 104 Data 12 Ext Temp Offset I1 –128 127 0 0.1°C

Calibration 104 Data 13 Pack V Offset I1 –128 127 0 mV

Calibration 107 Current 1 Deadband U1 0 255 5 mA

Security 112 Codes 0 Sealed to Unsealed H4 0 ffffffff 36720414 –

Security 112 Codes 4 Unsealed to Full H4 0 ffffffff ffffffff –

Security 112 Codes 8 Authen Key3 H4 0 ffffffff 01234567 –

Security 112 Codes 12 Authen Key2 H4 0 ffffffff 89ABCDEF –

Security 112 Codes 16 Authen Key1 H4 0 ffffffff FEDCBA98 –

Security 112 Codes 20 Authen Key0 H4 0 ffffffff 76543210 –

1. Encoded battery profile information created by bqEasy software.

2. Part number and/or part specific

3. Not IEEE floating point

4. Display as Data Flash value; value displayed in EVSW is different. See Table 8 for conversion table.

Table 8. Data Flash to EVSW Conversion

Data Data Flash (DF)

SubClass Data Data Flash EVSW EVSW

Class SubClass Offset Name Flash to EVSW

ID Type Default Default Unit

Unit Conversion

Gas Gauging 80 IT Cfg 59 User Rate-mW I2 0 cW 0 mW DF × 10

Gas Gauging 80 IT Cfg 63 Reserve Cap-mWh I2 0 cWh 0 mWh 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 × 0.00048

Calibration 104 Data 10 Board Offset I1 0 Num 0 µV DF × 16/0.48

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