SLUSAU1C
May 2012 – May 2021
BQ34Z100
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics: Power-On Reset
6.6
Electrical Characteristics: LDO Regulator
6.7
Electrical Characteristics: Internal Temperature Sensor Characteristics
6.8
Electrical Characteristics: Low-Frequency Oscillator
6.9
Electrical Characteristics: High-Frequency Oscillator
6.10
Electrical Characteristics: Integrating ADC (Coulomb Counter) Characteristics
6.11
Electrical Characteristics: ADC (Temperature and Cell Measurement) Characteristics
6.12
Electrical Characteristics: Data Flash Memory Characteristics
6.13
Timing Requirements: HDQ Communication
6.14
Timing Requirements: I2C-Compatible Interface
6.15
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Feature Description
7.2.1
Data Commands
7.2.1.1
Standard Data Commands
7.2.1.2
Control(): 0x00/0x01
7.2.1.2.1
CONTROL_STATUS: 0x0000
7.2.1.2.2
DEVICE TYPE: 0x0001
7.2.1.2.3
FW_VERSION: 0x0002
7.2.1.2.4
HW_VERSION: 0x0003
7.2.1.2.5
RESET_DATA: 0x0005
7.2.1.2.6
PREV_MACWRITE: 0x0007
7.2.1.2.7
CHEM ID: 0x0008
7.2.1.2.8
BOARD_OFFSET: 0x0009
7.2.1.2.9
CC_OFFSET: 0x000A
7.2.1.2.10
CC_OFFSET_SAVE: 0x000B
7.2.1.2.11
DF_VERSION: 0x000C
7.2.1.2.12
SET_FULLSLEEP: 0x0010
7.2.1.2.13
STATIC_CHEM_DF_CHKSUM: 0x0017
7.2.1.2.14
SEALED: 0x0020
7.2.1.2.15
IT ENABLE: 0x0021
7.2.1.2.16
RESET: 0x0041
7.2.1.2.17
EXIT_CAL: 0x0080
7.2.1.2.18
ENTER_CAL: 0x0081
7.2.1.2.19
OFFSET_CAL: 0x0082
7.2.1.3
StateOfCharge(): 0x02/0x03
7.2.1.4
RemainingCapacity(): 0x04/0x05
7.2.1.5
FullChargeCapacity(): 0x06/07
7.2.1.6
Voltage(): 0x08/0x09
7.2.1.7
AverageCurrent(): 0x0A/0x0B
7.2.1.8
Temperature(): 0x0C/0x0D
7.2.1.9
Flags(): 0x0E/0x0F
7.2.2
Extended Data Commands
7.2.2.1
AtRate(): 0X10/0x11
7.2.2.2
AtRateTimeToEmpty(): 0x12/0x13
7.2.2.3
Current(): 0x10/0x11
7.2.2.4
NominalAvailableCapacity(): 0x14/0x15
7.2.2.5
FullAvailableCapacity(): 0x16/0x17
7.2.2.6
TimeToEmpty(): 0x18/0x19
7.2.2.7
TimeToFull(): 0x1A/0x1B
7.2.2.8
StandbyCurrent(): 0x1C/0x1D
7.2.2.9
StandbyTimeToEmpty(): 0x1E/0x1F
7.2.2.10
MaxLoadCurrent(): 0x20/0x21
7.2.2.11
MaxLoadTimeToEmpty(): 0x22/0x23
7.2.2.12
AvailableEnergy(): 0x24/0x25
7.2.2.13
AveragePower(): 0x26/0x27
7.2.2.14
TimeToEmptyAtConstantPower(): 0x28/0x29
7.2.2.15
InternalTemp(): 0x2A/0x2B
7.2.2.16
CycleCount(): 0x2C/0x2D
7.2.2.17
StateOfHealth(): 0x2E/0x2F
7.2.2.18
ChargeVoltage(): 0x30/0x31
7.2.2.19
ChargeCurrent(): 0x32/0x33
7.2.2.20
PassedCharge(): 0x34/0x35
7.2.2.21
DOD0(): 0x36/0x37
7.2.2.22
SelfDischargeCurrent(): 0x38/0x39
7.2.2.23
PackConfiguration(): 0x3A/0x3B
7.2.2.24
DesignCapacity(): 0x3C/0x3D
7.2.2.25
DataFlashClass(): 0x3E
7.2.2.26
DataFlashBlock(): 0x3F
7.2.2.27
AuthenticateData/BlockData(): 0x40…0x53
7.2.2.28
AuthenticateChecksum/BlockData(): 0x54
7.2.2.29
BlockData(): 0x55…0x5F
7.2.2.30
BlockDataChecksum(): 0x60
7.2.2.31
BlockDataControl(): 0x61
7.2.2.32
DeviceNameLength(): 0x62
7.2.2.33
DeviceName(): 0x63…0x6A
7.2.3
Data Flash Interface
7.2.3.1
Accessing Data Flash
7.2.3.2
Manufacturer Information Block
7.2.3.3
Access Modes
7.2.3.4
Sealing/Unsealing Data Flash Access
7.2.4
Data Flash Summary
7.2.5
Fuel Gauging
7.2.6
Impedance Track Variables
7.2.6.1
Load Mode
7.2.6.2
Load Select
7.2.6.3
Reserve Cap-mAh
7.2.6.4
Reserve Cap-mWh/cWh
7.2.6.5
Design Energy Scale
7.2.6.6
Dsg Current Threshold
7.2.6.7
Chg Current Threshold
7.2.6.8
Quit Current, Dsg Relax Time, Chg Relax Time, and Quit Relax Time
7.2.6.9
Qmax
7.2.6.10
Update Status
7.2.6.11
Avg I Last Run
7.2.6.12
Avg P Last Run
7.2.6.13
Delta Voltage
7.2.6.14
Ra Tables
7.2.6.15
Pack Configuration Register
7.2.6.15.1
Pack Configuration B Register
7.2.6.15.2
Pack Configuration C Register
7.2.7
Voltage Division and Calibration
7.2.7.1
1S Example
7.2.7.2
7S Example
7.2.7.3
Autocalibration
7.2.8
Temperature Measurement
7.2.9
Overtemperature Indication
7.2.9.1
Overtemperature: Charge
7.2.9.2
Overtemperature: Discharge
7.2.10
Charging and Charge Termination Indication
7.2.11
X10 Mode
7.2.12
Remaining State of Charge LED Indication
7.2.13
Alert Signal
7.2.14
Communications
7.2.14.1
Authentication
7.2.14.2
Key Programming
7.2.14.3
Executing an Authentication Query
7.2.14.4
HDQ Single-Pin Serial Interface
7.2.14.5
I2C Interface
7.2.15
Power Control
7.2.15.1
Reset Functions
7.2.15.2
Wake-Up Comparator
7.2.15.3
Flash Updates
7.3
Device Functional Modes
7.3.1
NORMAL Mode
7.3.2
SLEEP Mode
7.3.3
FULL SLEEP Mode
8
Application and Implementation
8.1
Typical Applications
8.1.1
Design Requirements
8.1.2
Detailed Design Procedure
8.1.2.1
Step-by-Step Design Procedure
8.1.2.1.1
STEP 1: Review and Modify the Data Flash Configuration Data.
8.1.2.1.2
STEP 2: Review and Modify the Data Flash Configuration Registers.
8.1.2.1.3
STEP 3: Design and Configure the Voltage Divider.
8.1.2.1.4
STEP 4: Determine the Sense Resistor Value.
8.1.2.1.5
STEP 5: Review and Modify the Data Flash Gas Gauging Configuration, Data, and State.
8.1.2.1.6
STEP 6: Determine and Program the Chemical ID.
8.1.2.1.7
STEP 7: Calibrate.
8.1.2.1.8
STEP 8: Run an Optimization Cycle.
8.1.3
Battery Chemistry Configuration
8.1.3.1
Battery Chemistry Charge Termination
8.1.4
Replaceable Battery Systems
8.1.5
Digital Interface Options
8.1.6
Display Options
8.1.7
Application Curves
8.1.8
Special Applications
8.1.8.1
Operation Configuration B Register
8.1.8.2
Operation Configuration C Register
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Introduction
10.1.2
Power Supply Decoupling Capacitor
10.1.3
Capacitors
10.1.4
Communication Line Protection Components
10.2
Layout Example
10.2.1
Ground System
10.2.2
Kelvin Connections
10.2.3
Board Offset Considerations
10.2.4
ESD Spark Gap
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PW|14
MPDS360A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusau1c_oa
slusau1c_pm
8.1.2.1
Step-by-Step Design Procedure