Texas Instruments bq78350-R1 Technical Reference

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SLUUBD3D–September 2015–Revised September 2018
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Contents
9.1.3 Full Charge Capacity ............................................................................................. 61
9.1.4 Initial Battery Capacity at Device Reset........................................................................ 62
9.1.5 Capacity Learning (FCC Update) ............................................................................... 62
9.1.6 Qualified Discharge ............................................................................................... 63
9.1.7 End-of-Discharge Thresholds and Capacity Correction...................................................... 64
9.1.8 Reserve Capacity ................................................................................................. 65
9.1.9 EDV Discharge Rate and Temperature Compensation ...................................................... 65
9.1.10 EDV Age Factor .................................................................................................. 66
9.1.11 Self Discharge .................................................................................................... 67
9.1.12 Battery Electronic Load Compensation ....................................................................... 67
9.2 Gauging Configuration Options........................................................................................... 67
10 Lifetime Data Collection ...................................................................................................... 70
10.1 Description .................................................................................................................. 70
10.2 Lifetimes..................................................................................................................... 71
10.2.1 LifetimeDataBlock1() 0x0060 ................................................................................... 71
10.2.2 LifetimeDataBlock2() 0x0061 ................................................................................... 71
10.2.3 LifetimeDataBlock3() 0x0062 ................................................................................... 71
10.2.4 LifetimeDataBlock4() 0x0063 ................................................................................... 72
10.2.5 LifetimeDataBlock5() 0x0064 ................................................................................... 73
10.2.6 LifetimeDataBlock6() 0x0065 ................................................................................... 73
10.2.7 LifetimeDataBlock7() 0x0066 ................................................................................... 73
11 Device Security.................................................................................................................. 75
11.1 Description .................................................................................................................. 75
11.2 SHA-1 Description.......................................................................................................... 75
11.3 HMAC Description.......................................................................................................... 75
11.4 Authentication............................................................................................................... 75
11.5 Security Modes ............................................................................................................. 76
11.5.1 FULL ACCESS or UNSEALED to SEALED .................................................................. 76
11.5.2 SEALED to UNSEALED......................................................................................... 76
11.5.3 UNSEALED to FULL ACCESS................................................................................. 76
12 Manufacture Production...................................................................................................... 77
12.1 Manufacture Testing ....................................................................................................... 77
12.1.1 Manufacturing Status Configuration ........................................................................... 77
12.2 Calibration................................................................................................................... 78
12.2.1 Cell Voltage Calibration ......................................................................................... 79
12.2.2 External Average Voltage Calibration ......................................................................... 79
12.2.3 VAUX Voltage Calibration....................................................................................... 80
12.2.4 Voltage Calibration Data Flash................................................................................. 80
12.2.5 Current Calibration ............................................................................................... 80
12.2.6 Deadbands........................................................................................................ 81
12.2.7 Current Calibration Data Flash ................................................................................. 82
12.2.8 Temperature Calibration......................................................................................... 82
12.2.9 Temperature Calibration Data Flash........................................................................... 82
12.2.10 External Temp Model .......................................................................................... 83
13 Display Port....................................................................................................................... 84
13.1 Introduction.................................................................................................................. 84
13.1.1 Light Emitting Diode (LED) Display Operation ............................................................... 84
13.1.2 Liquid Crystal Display (LCD) Operation ....................................................................... 84
13.2 Display Activation .......................................................................................................... 84
13.2.1 LED Display Activation .......................................................................................... 84
13.2.2 LCD Display Activation .......................................................................................... 85
13.3 State-Of-Charge Display .................................................................................................. 85

Texas Instruments bq78350-R1 Specifications

General

Brand	Texas Instruments
Model	bq78350-R1
Category	Controller
Language	English