JAJSHN4D
June 2019 – December 2021
BQ25618
,
BQ25619
PRODUCTION DATA
1
Features
2
アプリケーション
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
Thermal Information
7.6
Electrical Characteristics
7.7
Timing Requirements
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Power-On-Reset (POR)
8.3.2
Device Power Up From Battery Without Input Source
8.3.3
Power Up From Input Source
8.3.3.1
Power Up REGN LDO
8.3.3.2
Poor Source Qualification
8.3.3.3
Input Source Type Detection (IINDPM Threshold)
8.3.3.3.1
PSEL Pins Sets Input Current Limit
8.3.3.4
Input Voltage Limit Threshold Setting (VINDPM Threshold)
8.3.3.5
Power Up Converter in Buck Mode
8.3.3.6
HIZ Mode with Adapter Present
8.3.4
Boost Mode Operation From Battery
8.3.5
Power Path Management
8.3.5.1
Narrow VDC Architecture
8.3.5.2
Dynamic Power Management
8.3.5.3
Supplement Mode
8.3.6
Battery Charging Management
8.3.6.1
Autonomous Charging Cycle
8.3.6.2
Battery Charging Profile
8.3.6.3
Charging Termination
8.3.6.4
Thermistor Qualification
8.3.6.4.1
JEITA Guideline Compliance During Charging Mode
8.3.6.4.2
Boost Mode Thermistor Monitor During Battery Discharge Mode
8.3.6.5
Charging Safety Timer
8.3.7
Ship Mode and QON Pin
8.3.7.1
BATFET Disable (Enter Ship Mode)
8.3.7.2
BATFET Enable (Exit Ship Mode)
8.3.7.3
BATFET Full System Reset
8.3.8
Status Outputs (STAT, INT , PMID_GOOD)
8.3.8.1
Power Good Indicator (PG_STAT Bit)
8.3.8.2
Charging Status Indicator (STAT)
8.3.8.3
Interrupt to Host (INT)
8.3.8.4
PMID Voltage Indicator (PMID_GOOD)
8.3.9
Protections
8.3.9.1
Voltage and Current Monitoring in Buck Mode
8.3.9.1.1
Input Overvoltage Protection (ACOV)
8.3.9.1.2
System Overvoltage Protection (SYSOVP)
8.3.9.2
Voltage and Current Monitoring in Boost Mode
8.3.9.2.1
Boost Mode Overvoltage Protection
8.3.9.2.2
PMID Overcurrent Protection
8.3.9.3
Thermal Regulation and Thermal Shutdown
8.3.9.3.1
Thermal Protection in Buck Mode
8.3.9.3.2
Thermal Protection in Boost Mode
8.3.9.4
Battery Protection
8.3.9.4.1
Battery Overvoltage Protection (BATOVP)
8.3.9.4.2
Battery Overdischarge Protection
8.3.9.4.3
System Overcurrent Protection
8.3.10
Serial Interface
8.3.10.1
Data Validity
8.3.10.2
START and STOP Conditions
8.3.10.3
Byte Format
8.3.10.4
Acknowledge (ACK) and Not Acknowledge (NACK)
8.3.10.5
Slave Address and Data Direction Bit
8.3.10.6
Single Read and Write
8.3.10.7
Multi-Read and Multi-Write
8.4
Device Functional Modes
8.4.1
Host Mode and Default Mode
8.5
Register Maps
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Inductor Selection
9.2.2.2
Input Capacitor and Resistor
9.2.2.3
Output Capacitor
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Receiving Notification of Documentation Updates
12.4
サポート・リソース
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
8.3.9.4
Battery Protection