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Texas Instruments bq35100 User Manual
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bq35100
Technical
Reference
Manual
Literature
Number:
SLUUBH1C
August
2016
–
Revised
March
2018
2
Table of Contents
Default Chapter
2
Table of Contents
2
Preface
5
1 Introduction
7
2 Basic Measurement Systems
8
Voltage
8
Temperature
8
Coulombs
8
Current
8
3 Factory Calibration
10
C Command Information
10
Calibration Overview
10
Method
10
Sequence
10
Enter CALIBRATION Mode
11
Voltage Calibration
12
CC Offset
13
Board Offset
14
Obtain Raw Calibration Data
15
Current Calibration
16
Temperature Calibration
17
Floating Point Conversion
18
Exit CALIBRATION Mode
19
4 Basic Configuration
20
Operation Config a
20
5 Battery Gauging
21
ACCUMULATOR Mode
21
Total Capacity Update
21
STATE-OF-HEALTH (SOH) Mode
21
Low State-Of-Health Alert
21
End-Of-Service (EOS) Mode
22
Initial EOS Learning
22
End-Of-Service Detection
23
End-Of-Service Smoothing
23
6 Power Control
25
Device Functional Modes
25
Flash Updates
27
7 Battery Condition Warnings
28
Battery Low Warning
28
Temperature Low Warning
28
Temperature High Warning
28
Battery Low SOC Warning
29
Battery EOS OCV BAD Warning
29
8 ALERT Signal
30
9 Lifetime Data Collection
31
10 SHA-1 Authentication
32
Overview
32
HMAC Description
32
Authentication
32
Authenticatedata(): 0X40
33
Authenticatechecksum(): 0X54
33
11 Data Commands
34
Command Summary
34
Control(): 0X00/0X01
34
CONTROL_STATUS: 0X0000
35
DEVICE_TYPE: 0X0001
37
FW_VERSION: 0X0002
37
HW_VERSION: 0X0003
37
STATIC_CHEM_DF_CHKSUM: 0X0005
37
CHEM_ID: 0X0006
37
PREV_MACWRITE: 0X0007
37
BOARD_OFFSET: 0X0009
37
CC_OFFSET: 0X000A
37
CC_OFFSET_SAVE: 0X000B
37
GAUGE_START: 0X0011
37
GAUGE_STOP: 0X0012
38
SEALED: 0X0020
38
CAL_ENABLE: 0X002D
38
LT_ENABLE: 0X002E
38
RESET: 0X0041
38
NEW_BATTERY: 0Xa613
38
Accumulatedcapacity(): 0X02/0X05
38
Temperature(): 0X06/0X07
38
Voltage(): 0X08/0X09
38
Batterystatus() 0X0A
38
Batteryalert() 0X0B
39
Current(): 0X0C/0X0D
39
Scaledr(): 0X16/0X17
39
Measuredz(): 0X22/0X23
39
Internaltemperature(): 0X28/0X29
39
Stateofhealth(): 0X2E/0X2F
40
Designcapacity(): 0X3C/3D
40
Manufactureraccesscontrol(): 0X3E/0X3F
40
Macdata(): 0X40 through 0X5F
40
Macdatasum(): 0X60
40
Macdatalen(): 0X61
40
12 Data Flash
41
Accessing Data Flash
41
Write to DF Example
41
Read from DF Example
41
Auto-Increment Reading
41
Access Modes
41
Sealing/Unsealing Data Flash Access
42
Blockdatachecksum(): 0X60
42
Blockdatalength(): 0X61
42
Blockdatacontrol(): 0X62
42
13 Data Flash Summary
43
Communications
48
Revision History
49
4
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Texas Instruments bq35100 Specifications
General
Brand
Texas Instruments
Model
bq35100
Category
Control Unit
Language
English
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