SLUSDH5B
March 2019 – December 2022
BQ27Z561-R1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Description (cont.)
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
Internal 1.8-V LDO (REG18)
7.7
I/O (PULS, INT)
7.8
Chip Enable (CE)
7.9
Internal Temperature Sensor
7.10
NTC Thermistor Measurement Support
7.11
Coulomb Counter (CC)
7.12
Analog Digital Converter (ADC)
7.13
Internal Oscillator Specifications
7.14
Voltage Reference1 (REF1)
7.15
Voltage Reference2 (REF2)
7.16
Flash Memory
7.17
I2C I/O
7.18
I2C Timing — 100 kHz
7.19
I2C Timing — 400 kHz
7.20
HDQ Timing
7.21
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
BQ27Z561-R1 Processor
8.3.2
Battery Parameter Measurements
8.3.2.1
Coulomb Counter (CC)
8.3.2.2
CC Digital Filter
8.3.2.3
ADC Multiplexer
8.3.2.4
Analog-to-Digital Converter (ADC)
8.3.2.5
Internal Temperature Sensor
8.3.2.6
External Temperature Sensor Support
8.3.3
Power Supply Control
8.3.4
Bus Communication Interface
8.3.5
Low Frequency Oscillator
8.3.6
High Frequency Oscillator
8.3.7
1.8-V Low Dropout Regulator
8.3.8
Internal Voltage References
8.3.9
Gas Gauging
8.3.10
Charge Control Features
8.3.11
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
Auto Calibration
8.4.2.4
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
Changing Design Parameters
9.2.3
Calibration Process
9.2.4
Gauging Data Updates
9.2.4.1
Application Curve
10
Power Supply Requirements
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, Orderable Information
Package Options
Mechanical Data (Package|Pins)
YPH|12
MXBG352
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusdh5b_oa
slusdh5b_pm
9.2.2
Detailed Design Procedure