SLUSC91G
october 2015 – april 2023
BQ27426
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
Supply Current
6.6
Digital Input and Output DC Characteristics
6.7
LDO Regulator, Wake-up, and Auto-Shutdown DC Characteristics
6.8
LDO Regulator, Wake-up, and Auto-Shutdown AC Characteristics
6.9
ADC (Temperature and Cell Measurement) Characteristics
6.10
Integrating ADC (Coulomb Counter) Characteristics
6.11
I2C-Compatible Interface Communication Timing Characteristics
6.12
SHUTDOWN and WAKE-UP Timing
6.13
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Communications
7.3.1.1
I2C Interface
7.3.1.2
I2C Time Out
7.3.1.3
I2C Command Waiting Time
7.3.1.4
I2C Clock Stretching
7.4
Device Functional Modes
7.4.1
SHUTDOWN Mode
7.4.2
POR and INITIALIZATION Modes
7.4.3
CONFIG UPDATE Mode
7.4.4
NORMAL Mode
7.4.5
SLEEP Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
BAT Voltage Sense Input
8.2.2.2
Integrated LDO Capacitor
8.2.2.3
Sense Resistor Selection
8.2.3
External Thermistor Support
8.2.4
Application Curves
9
Power Supply Recommendation
9.1
Power Supply Decoupling
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Third-Party Products Disclaimer
11.1.2
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)
YZF|9
MXBG027N
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusc91g_oa
slusc91g_pm
10.2
Layout Example
Figure 10-1
BQ27426 Board Layout