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BQ28Z610-R2
Texas Instruments BQ28Z610-R2 User Manual
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8
BQ28Z610-R2
SLUUCO0 – APRIL 2022
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Copyright © 2022 T
exas Instruments Incorporated
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7
9
Table of Contents
Table of Contents
3
Read this First
9
About this Manual
9
Notational Conventions
9
Trademarks
9
Glossary
9
Introduction
11
Protections
13
Introduction
13
Cell Undervoltage Protection
13
Cell Overvoltage Protection
13
Overcurrent in Charge Protection
14
Overcurrent in Discharge Protection
14
Hardware-Based Protection
15
Overload in Discharge Protection
15
Short Circuit in Charge Protection
15
Short Circuit in Discharge Protection
16
Temperature Protections
16
Overtemperature in Charge Protection
16
Overtemperature in Discharge Protection
17
Undertemperature in Charge Protection
17
Undertemperature in Discharge Protection
17
Precharge Timeout Protection
17
Fast Charge Timeout Protection
18
Permanent Fail
19
Introduction
19
Safety Cell Overvoltage Permanent Fail
19
Voltage Imbalance at Rest Permanent Fail
20
Voltage Imbalance Active Permanent Fail
20
Charge FET Permanent Failure
20
Description
20
Feature Enable/Disable
20
Discharge FET Permanent Failure
20
Feature Enable/Disable
21
Instruction Flash (IF) Checksum Permanent Fail
21
Data Flash (DF) Permanent Fail
21
Advanced Charge Algorithm
23
Introduction
23
Charge Temperature Ranges
23
Voltage Range
24
Charging Current
24
Charging Voltage
25
Valid Charge Termination
25
Charge and Discharge Alarms
26
Terminate Charge and Discharge Alarms
27
Precharge
27
Maintenance Charge
28
BROADCAST Mode
28
Charge Disable and Discharge Disable
28
Charge Inhibit
29
Bq28Z610-R2
29
Charge Suspend
29
Power Modes
31
Introduction
31
NORMAL Mode
31
SLEEP Mode
31
Device Sleep
31
IN SYSTEM SLEEP Mode
31
Macsubcmd() MAC Sleep
32
Wake Function
32
SHUTDOWN Mode
32
Voltage Based Shutdown
32
Macsubcmd() MAC Shutdown
32
Time Based Shutdown
33
Emergency FET Shutdown
33
Gauging
35
Introduction
35
Impedance Track Configuration
35
Gas Gauge Modes
36
Qmax and Ra
38
Qmax Initial Values
39
Qmax Update Conditions
39
Fast Qmax Update Conditions
39
Qmax and Fast Qmax Update Boundary Check
40
Ra Table Initial Values
40
Ra Table Update Conditions
40
Fullchargecapacity (FCC), Remainingcapacity (Remcap), and Relativestateofcharge (RSOC)
41
Impedance Track (IT) Configuration Options
41
State-Of-Health (SOH)
42
Cell Balancing
43
Introduction
43
Cell Balancing Setup
43
Cell Balancing Operation
47
Lifetime Data Collection
51
Description
51
Device Security
53
Description
53
HMAC Description
53
Authentication
54
Security Modes
54
SEALING and UNSEALING Data Flash
54
SEALED to UNSEALED
55
UNSEALED to FULL ACCESS
55
Manufacture Production
57
Manufacture Testing
57
Calibration
57
Calibration
59
Cell Voltage Calibration
59
VC2 (BAT) Voltage Calibration
60
PACK Voltage Calibration
60
Current Calibration
61
CC Offset Calibration
61
Board Offset Calibration
62
CC Gain/Capacity Gain Calibration
62
Temperature Calibration
63
Internal Temperature Sensor Calibration
63
TS1 Calibration
63
I2C Commands
65
Standard Data Commands
65
0X00/01 Manufactureraccess() and Controlstatus()
66
0X02/03 Atrate()
67
Bq28Z610-R2
67
0X04/05 Atratetimetoempty()
67
0X06/07 Temperature()
67
0X08/09 Voltage()
67
0X0A/0B Batterystatus()
67
0X0C/0D Current()
68
0X0E/0F Maxerror()
68
0X10/11 Remainingcapacity()
69
0X12/13 Fullchargecapacity()
69
0X14/15 Averagecurrent()
69
0X16/17 Averagetimetoempty()
69
0X18/19 Averagetimetofull()
69
0X1A/1B Standbycurrent()
69
0X1C/1D Standbytimetoempty()
69
0X1E/1F Maxloadcurrent()
69
0X20/21 Maxloadtimetoempty()
70
0X22/23 Averagepower()
70
0X28/29 Internaltemperature()
70
0X2A/2B Cyclecount()
70
0X2C/2D Relativestateofcharge()
70
0X2E/2F State-Of-Health (SOH)
70
0X30/31 Chargingvoltage()
70
0X32/33 Chargingcurrent()
71
0X3C/3D Designcapacity()
71
0X3E/3F Macsubcmd()
71
0X40/0X5F Macdata()
71
0X60 Macdatachecksum()
71
0X61 Macdatalength()
71
Manufacturer Access Control (MAC)
72
Macsubcmd() 0X0001 Device Type
74
Macsubcmd() 0X0002 Firmware Version
74
Macsubcmd() 0X0003 Hardware Version
74
Macsubcmd() 0X0004 Instruction Flash Signature
74
Macsubcmd() 0X0005 Static DF Signature
74
Macsubcmd() 0X0006 Chemical ID
74
Macsubcmd() 0X0007 Pre_Macwrite
74
Macsubcmd() 0X0008 Static Chem DF Signature
75
Macsubcmd() 0X0009 All DF Signature
75
Macsubcmd() 0X0010 SHUTDOWN Mode
75
Macsubcmd() 0X0011 SLEEP Mode
75
Macsubcmd() 0X0012 Device Reset
76
Macsubcmd() 0X001F CHG FET
76
Macsubcmd() 0X0020 DSG FET
76
Macsubcmd() 0X0021 Gauging
76
Macsubcmd() 0X0022 FET Control
76
Macsubcmd() 0X0023 Lifetime Data Collection
76
Macsubcmd() 0X0024 Permanent Failure
77
Macsubcmd() 0X0028 Lifetime Data Reset
77
Macsubcmd() 0X0029 Permanent Fail Data Reset
77
Macsubcmd() 0X002D CALIBRATION Mode
77
Macsubcmd() 0X0030 Seal Device
77
Macsubcmd() 0X0035 Security Keys
77
Macsubcmd() 0X0037 Authentication Key
78
Macsubcmd() 0X0041 Device Reset
78
Macsubcmd() 0X0050 Safetyalert
78
Macsubcmd() 0X0051 Safetystatus
79
Macsubcmd() 0X0052 Pfalert
81
Macsubcmd() 0X0053 Pfstatus
81
Macsubcmd() 0X0054 Operationstatus
82
Macsubcmd() 0X0055 Chargingstatus
84
Macsubcmd() 0X0056 Gaugingstatus
85
Macsubcmd() 0X0057 Manufacturingstatus
87
Macsubcmd() 0X0058 AFE Register
88
Macsubcmd() 0X0060 Lifetime Data Block 1
88
Macsubcmd() 0X0070 Manufacturerinfo
88
Macsubcmd() 0X0071 Dastatus1
89
Macsubcmd() 0X0072 Dastatus2
89
Macsubcmd() 0X0073 Itstatus1
89
Macsubcmd() 0X0074 Itstatus2
90
Macsubcmd() 0X0075 Itstatus3
90
Macsubcmd() 0X0076 CB Status
91
Macsubcmd() 0X0077 State-Of-Health
91
Macsubcmd() 0X0F00 ROM Mode
91
Data Flash Access() 0X4000-0X5Fff
91
Macsubcmd() 0Xf080 Exit Calibration Output Mode
92
Macsubcmd() 0Xf081 Output CC and ADC for Calibration
92
Macsubcmd() 0Xf082 Output Shorted CC and ADC for Calibration
92
Data Flash Values
95
Data Formats
95
Unsigned Integer
95
Integer
95
Floating Point
95
Hex
96
String
96
Calibration
96
Voltage
96
Current
96
Current Offset
96
Current Deadband
97
Temperature
97
Internal Temp Model
97
Cell Temp Model
97
Settings
98
Configuration
98
Charger
100
Protection
100
Permanent Failure
101
Afe
102
Manufacturing
102
Advanced Charging Algorithms
102
Temperature Ranges
102
Low Temp Charging
102
Standard Temp Charging
103
High Temp Charging
103
Rec Temp Charging
103
Pre-Charging
103
Maintenance Charging
104
Voltage Range
104
Termination Config
104
Cell Balancing Config
104
Power
104
Shutdown
104
Sleep
105
Ship
105
Gas Gauging
105
Standby
105
Max Load
105
Current Thresholds
105
Design
105
Cycle
106
Tda
106
Tca
106
State
107
Config
107
Condition Flag
109
Soh
109
Max Error
109
System Data
109
Manufacturer Data
109
Integrity
109
Configuration
110
Data
110
Lifetimes
110
Voltage
110
Current
110
Temperature
110
Protections
110
CUV-Cell Undervoltage
110
COV-Cell Overvoltage
110
OCC-Overcurrent in Charge
111
OCD-Overcurrent in Discharge
111
AOLD-AFE over Load in Discharge
111
ASCC-AFE Short Circuit in Charge
111
ASCD-AFE Short Circuit in Discharge
111
OTC-Overtemperature in Charge
111
OTD-Overtemperature in Discharge
112
UTC-Under Temperature in Charge
112
UTD-Under Temperature in Discharge
112
PTO-PRECHARGE Mode Time out
112
CTO-FAST CHARGE Mode Time out
112
Permanent Fail
112
SOV-Safety Cell Overvoltage
112
VIMR-Voltage Imbalance at Rest
113
VIMA-Voltage Imbalance Active
113
PF Status
113
Device Status Data
113
Device Voltage Data
114
Device Current Data
115
Device Temperature Data
115
Device Gauging Data
115
AFE Registers
115
RA Table
115
R_A0
115
R_A1
116
R_A0X
116
R_A1X
117
Data Flash Summary
119
Data Flash Table
119
AFE Threshold and Delay Settings
129
Overload in Discharge Protection (AOLD)
129
Short Circuit in Charge (ASCC)
130
Short Circuit in Discharge (ASCD1 and ASCD2)
130
Revision History
132
4
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Texas Instruments BQ28Z610-R2 Specifications
General
Brand
Texas Instruments
Model
BQ28Z610-R2
Category
Computer Hardware
Language
English
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