SLUSF69A
May 2024 – January 2025
BQ25186
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Thermal Information
5.4
Recommended Operating Conditions
5.5
Electrical Characteristics
5.6
Timing Requirements
5.7
Typical Characteristics
6
Detailed Description
6.1
Overview
6.1.1
Battery Charging Process
6.1.1.1
Trickle Charge
6.1.1.2
Pre-Charge
6.1.1.3
Fast Charge
6.1.1.4
Termination
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Input Voltage Based Dynamic Power Management (VINDPM)
6.3.2
Dynamic Power Path Management Mode (DPPM)
6.3.3
Battery Supplement Mode
6.3.4
Sleep Mode
6.3.5
SYS Power Control (SYS_MODE bit control)
6.3.5.1
SYS Pulldown Control
6.3.6
SYS Regulation
6.3.7
ILIM Control
6.3.8
Protection Mechanisms
6.3.8.1
Input Overvoltage Protection
6.3.8.2
Battery Undervoltage Lockout
6.3.8.3
Battery Overcurrent Protection
6.3.8.4
System Overvoltage Protection
6.3.8.5
System Short Protection
6.3.8.6
Thermal Protection and Thermal Regulation
6.3.8.7
Safety Timer and Watchdog Timer
6.3.9
Pushbutton Wake and Reset Input
6.3.9.1
Pushbutton Wake or Short Button Press Functions
6.3.9.2
Pushbutton Reset or Long Button Press Functions
6.3.10
15-Second Timeout for HW Reset
6.3.11
Hardware Reset
6.3.12
Software Reset
6.3.13
Interrupt Indicator (/INT) Pin
6.3.14
Power Good (PG) / General Purpose Output Pin
6.3.15
External NTC Monitoring (TS)
6.3.15.1
TS Biasing and Function
6.3.16
I2C Interface
6.3.16.1
F/S Mode Protocol
6.4
Device Functional Modes
6.5
Register Maps
6.5.1
I2C Registers
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.3
Application Curves
8
Power Supply Recommendations
9
Layout
9.1
Layout Guidelines
9.2
Layout Example
10
Device and Documentation Support
10.1
Third-Party Products Disclaimer
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Data Sheet
BQ25186 1-Cell, 1A I
2
C Linear Battery Charger with Power Path, Ship Mode, Shutdown Mode, and Battery Tracking VINDPM