Name: Texas Instruments bq78350-R1
Brand: Texas Instruments
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SLUUBD3D–September 2015–Revised September 2018

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Contents

19 Data Flash Summary......................................................................................................... 145

Revision History........................................................................................................................ 158

Default Chapter2
- Table of Contents2
Preface9
1 Introduction10
2 Basic Measurement System11
- Introduction11
- Current and Coulomb Counting11
- Voltage11
- Temperature12
- Temperature Ranges13
- Basic Configuration Options13
3 Protections17
- Introduction17
- Cell Undervoltage Protection21
- Cell Overvoltage Protection22
- Overcurrent in Charge Protection22
- Overcurrent in Discharge Protection23
- Hardware-Based Protection24
- Temperature Protections28
- Precharge Timeout Protection30
- Fast Charge Timeout Protection31
- Overcharge Protection31
4 Permanent Fail32
- Introduction32
- Permanent Failure Configuration32
- Enabling Use of the SAFE Pin34
- Safety Cell Undervoltage Permanent Fail36
- Safety Cell Overvoltage Permanent Fail37
- Safety Overcurrent in Charge Permanent Fail37
- Safety Overcurrent in Discharge Permanent Fail38
- Safety Overtemperature Cell Permanent Fail38
- Safety Overtemperature FET (SOTF) Permanent Fail38
- Voltage Imbalance at Rest Permanent Fail39
- Charge FET Permanent Fail39
- Discharge FET Permanent Fail39
- External Override Permanent Fail40
- AFE Register Permanent Fail40
- AFE Communication Permanent Fail41
- AFE XREADY Permanent Fail41
- Instruction Flash (IF) Checksum Permanent Fail41
- Data Flash (DF) Permanent Fail41
- Open Thermistor Permanent Fail (TS1, TS2, TS3)42
- PF Status Snapshot Data Flash42
  - Device Status Data42
  - Device Voltage Data43
  - Device Current Data44
  - Device Temperature Data44
  - AFE Regs44
- Black Box Recorder44
  - Black Box Recorded Data45
5 Charge Algorithm47
- Introduction47
- Fast and Pre-Charging47
- Valid Charge Termination48
- Charge and Discharge Alarms48
- Charge Disable51
- Charge Inhibit51
- Charge Suspend52
6 System Present53
- Introduction53
- System Present Detection and Action53
7 Cell Balancing54
- Introduction54
  - Cell Balancing Configuration55
8 Power Modes56
- Introduction56
- NORMAL Mode56
- SLEEP Mode56
- SHUTDOWN Mode57
- Power Mode Indication (PWRM)58
9 CEDV Gas Gauging59
- Introduction59
- Gauging Configuration Options67
10 Lifetime Data Collection70
- Description70
- Lifetimes71
11 Device Security75
- Description75
- HMAC Description75
- Authentication75
- Security Modes76
12 Manufacture Production77
- Manufacture Testing77
  - Manufacturing Status Configuration77
- Calibration78
13 Display Port84
- Introduction84
  - Light Emitting Diode (LED) Display Operation84
  - Liquid Crystal Display (LCD) Operation84
- Display Activation84
  - LED Display Activation84
  - LCD Display Activation85
- State-Of-Charge Display85
- LED and LCD Display Configuration85
- LCD Specific Display Configuration86
- LED Configuration Register86
14 Host Controlled GPIO88
- Introduction88
- Configuring the GPIO88
- Using the GPIO91
15 Key Input92
- Introduction92
- Input Configuration92
- Operation92
16 Communications93
- Introduction93
- Smbus on and off State93
- Packet Error Checking93
- Slave Address93
- Broadcasts to Smart Charger and Smart Battery Host94
- SMB Configuration Options95
17 SBS Commands96
- Summary96
- 0X00 Manufactureraccess() and 0X44 Manufacturerblockaccess()98
  - Manufactureraccess() 0X0000 Manufacturerblockaccess() or Manufacturerdata()100
  - Manufactureraccess() 0X0001 Device Type100
  - Manufactureraccess() 0X0002 Firmware Version100
  - Manufactureraccess() 0X0003 Hardware Version100
  - Manufactureraccess() 0X0004 Instruction Flash Signature100
  - Manufactureraccess() 0X0005 Static DF Signature100
  - Manufactureraccess() 0X0006 Chemical ID100
  - Manufactureraccess() 0X0008 Static Chem DF Signature101
  - Manufactureraccess() 0X0009 All DF Signature101
  - Manufactureraccess() 0X0010 SHUTDOWN Mode101
  - Manufactureraccess() 0X0011 SLEEP Mode101
  - Manufactureraccess() 0X001B Cell Balance Toggle102
  - Manufactureraccess() 0X001C AFE Delay Disable102
  - Manufactureraccess() 0X001D SAFE Toggle102
  - Manufactureraccess() 0X001E PRE-CHG FET102
  - Manufactureraccess() 0X001F CHG FET102
  - Manufactureraccess() 0X0020 DSG FET102
  - Manufactureraccess() 0X0022 FET Control102
  - Manufactureraccess() 0X0023 Lifetime Data Collection103
  - Manufactureraccess() 0X0024 Permanent Failure103
  - Manufactureraccess() 0X0025 Black Box Recorder103
  - Manufactureraccess() 0X0026 SAFE103
  - Manufactureraccess() 0X0027 LED Display Enable103
  - Manufactureraccess() 0X0028 Lifetime Data Reset103
  - Manufactureraccess() 0X0029 Permanent Fail Data Reset103
  - Manufactureraccess() 0X002A Black Box Recorder Reset104
  - Manufactureraccess() 0X002B LED TOGGLE104
  - Manufactureraccess() 0X002C LED Display Press104
  - Manufactureraccess() 0X002D CALIBRATION Mode104
  - Manufactureraccess() 0X0030 Seal Device104
  - Manufactureraccess() 0X0035 Security Keys104
  - Manufactureraccess() 0X0037 Authentication Key104
  - Manufactureraccess() 0X0041 Device Reset105
  - Manufactureraccess() 0X0050 Safetyalert105
  - Manufactureraccess() 0X0051 Safetystatus106
  - Manufactureraccess() 0X0052 Pfalert108
  - Manufactureraccess() 0X0053 Pfstatus109
  - Manufactureraccess() 0X0054 Operationstatus111
  - Manufactureraccess() 0X0055 Chargingstatus113
  - Manufactureraccess() 0X0056 Gaugingstatus114
  - Manufactureraccess() 0X0057 Manufacturingstatus115
  - Manufactureraccess() 0X0058 Afestatus117
  - Manufactureraccess() 0X0059 Afeconfig117
  - Manufactureraccess() 0X005A Afevcx117
  - Manufactureraccess() 0X005B Afedata117
  - Manufactureraccess() 0X0060 Lifetime Data Block 1117
  - Manufactureraccess() 0X0061 Lifetime Data Block 2118
  - Manufactureraccess() 0X0062 Lifetime Data Block 3118
  - Manufactureraccess() 0X0063 Lifetime Data Block 4118
  - Manufactureraccess() 0X0064 Lifetime Data Block 5118
  - Manufactureraccess() 0X0065 Lifetime Data Block 6118
  - Manufactureraccess() 0X0066 Lifetime Data Block 7118
  - Manufactureraccess() 0X0070 Manufacturerinfo119
  - Manufactureraccess() 0X0071 Dastatus1119
  - Manufactureraccess() 0X0072 Dastatus2119
  - Manufactureraccess() 0X0080 CUV Snapshot119
  - Manufactureraccess() 0X0081 COV Snapshot120
  - Manufactureraccess() 0X0F00 ROM Mode120
  - Data Flash Access() 0X4000-0X5Fff120
  - Manufactureraccess() 0Xf080 Exit Calibration Output Mode121
  - Manufactureraccess() 0Xf081 Outputcellvoltageforcalibration121
  - Manufactureraccess() 0Xf082 Outputcellvoltageccandtempforcalibration122
- 0X01 Remainingcapacityalarm()123
- 0X02 Remainingtimealarm()123
- 0X03 Batterymode()123
- 0X04 Atrate()124
- 0X05 Atratetimetofull()125
- 0X06 Atratetimetoempty()125
- 0X07 Atrateok()125
- 0X08 Temperature()125
- 0X09 Voltage()126
- 0X0A Current()126
- 0X0B Averagecurrent()126
- 0X0C Maxerror()126
- 0X0D Relativestateofcharge()127
- 0X0E Absolutestateofcharge()127
- 0X0F Remainingcapacity()127
- 0X10 Fullchargecapacity()127
- 0X11 Runtimetoempty()128
- 0X12 Averagetimetoempty()128
- 0X13 Averagetimetofull()128
- 0X14 Chargingcurrent()128
- 0X15 Chargingvoltage()128
- 0X16 Batterystatus()129
- 0X17 Cyclecount()130
- 0X18 Designcapacity()130
- 0X19 Designvoltage()131
- 0X1A Specificationinfo()131
- 0X1B Manufacturerdate()132
- 0X1C Serialnumber()132
- 0X20 Manufacturername()132
- 0X21 Devicename()133
- 0X22 Devicechemistry()133
- 0X23 Manufacturerdata()/Calibrationdata()133
- 0X2B Hostfetcontrol134
- 0X2C Gpiostatus134
- 0X2D Gpiocontrol135
- 0X2E Vauxvoltage()136
- 0X2F Authenticate()/Manufacturerinput()136
- 0X30136
- 0X4C Dynamicpower()137
- 0X4D Extavecellvoltage()137
- 0X4E Pendingedv()137
- 0X4F Stateofhealth (SOH)138
- 0X50 Safetyalert138
- 0X51 Safetystatus138
- 0X52 Pfalert138
- 0X53 Pfstatus138
- 0X54 Operationstatus138
- 0X55 Chargingstatus139
- 0X56 Gaugingstatus139
- 0X57 Manufacturingstatus139
- 0X58 Afestatus139
- 0X59 Afeconfig139
- 0X5A Afevcx139
- 0X5B Afedata140
- 0X60 Lifetime Data Block 1140
- 0X61 Lifetime Data Block 2140
- 0X62 Lifetime Data Block 3140
- 0X63 Lifetime Data Block 4140
- 0X64 Lifetime Data Block 5140
- 0X65 Lifetime Data Block 6141
- 0X66 Lifetime Data Block 7141
- 0X70 Manufacturerinfo141
- 0X71 Dastatus1141
- 0X72 Dastatus2141
- 0X80 CUV Snapshot141
- 0X81 COV Snapshot142
18 Data Flash Access and Format143
- Data Flash Access143
  - Minimum Voltage143
- Data Formats143

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General

Brand	Texas Instruments
Model	bq78350-R1
Category	Controller
Language	English

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