ZHCSEJ9D
april 2014 – june 2021
BQ28Z610
PRODUCTION DATA
1
1
特性
2
应用
3
说明
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
Power Supply Requirements
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
第三方产品免责声明
11.2
Documentation Support
11.3
接收文档更新通知
11.4
静电放电警告
11.5
支持资源
11.6
Trademarks
11.7
术语表
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DRZ|12
MPDS289B
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsej9d_oa
zhcsej9d_pm
Data Sheet
BQ28Z610 适用于 1-2 节串联锂离子电池包的
Impedance Track™ 电量监测计和保护解决方案