SLUSAS3D
April 2014 – June 2021
BQ28Z610
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Description (Continued)
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Supply Current
7.6
Power Supply Control
7.7
Low-Voltage General Purpose I/O, TS1
7.8
Power-On Reset (POR)
7.9
Internal 1.8-V LDO
7.10
Current Wake Comparator
7.11
Coulomb Counter
7.12
ADC Digital Filter
7.13
ADC Multiplexer
7.14
Cell Balancing Support
7.15
Internal Temperature Sensor
7.16
NTC Thermistor Measurement Support
7.17
High-Frequency Oscillator
7.18
Low-Frequency Oscillator
7.19
Voltage Reference 1
7.20
Voltage Reference 2
7.21
Instruction Flash
7.22
Data Flash
7.23
Current Protection Thresholds
7.24
Current Protection Timing
7.25
N-CH FET Drive (CHG, DSG)
7.26
I2C Interface I/O
7.27
I2C Interface Timing
7.28
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Battery Parameter Measurements
8.3.1.1
BQ28Z610 Processor
8.3.2
Coulomb Counter (CC)
8.3.3
CC Digital Filter
8.3.4
ADC Multiplexer
8.3.5
Analog-to-Digital Converter (ADC)
8.3.6
ADC Digital Filter
8.3.7
Internal Temperature Sensor
8.3.8
External Temperature Sensor Support
8.3.9
Power Supply Control
8.3.10
Power-On Reset
8.3.11
Bus Communication Interface
8.3.12
Cell Balancing Support
8.3.13
N-Channel Protection FET Drive
8.3.14
Low Frequency Oscillator
8.3.15
High Frequency Oscillator
8.3.16
1.8-V Low Dropout Regulator
8.3.17
Internal Voltage References
8.3.18
Overcurrent in Discharge Protection
8.3.19
Short-Circuit Current in Charge Protection
8.3.20
Short-Circuit Current in Discharge 1 and 2 Protection
8.3.21
Primary Protection Features
8.3.22
Gas Gauging
8.3.23
Charge Control Features
8.3.24
Authentication
8.4
Device Functional Modes
8.4.1
Lifetime Logging Features
8.4.2
Configuration
8.4.2.1
Coulomb Counting
8.4.2.2
Cell Voltage Measurements
8.4.2.3
Current Measurements
8.4.2.4
Auto Calibration
8.4.2.5
Temperature Measurements
9
Applications and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Design Requirements (Default)
9.2.2
Detailed Design Procedure
9.2.2.1
Setting Design Parameters
9.2.3
Calibration Process
9.2.4
Gauging Data Updates
9.2.4.1
Application Curve
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Third-Party Products Disclaimer
11.2
Documentation Support
11.3
Receiving Notification of Documentation Updates
11.4
Electrostatic Discharge Caution
11.5
Support Resources
11.6
Trademarks
11.7
Glossary
Package Options
Mechanical Data (Package|Pins)
DRZ|12
MPDS289B
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusas3d_oa
slusas3d_pm
10.2
Layout Example
Figure 10-2
BQ28Z610 Board Layout