SLUSCZ3
October 2020
BQ25302
PRODUCTION DATA
1
Features
2
Applications
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
Electrical Characteristics
7.6
Timing Requirements
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Device Power Up
8.3.1.1
Power-On-Reset (POR)
8.3.1.2
REGN Regulator Power Up
8.3.1.3
Charger Power Up
8.3.1.4
Charger Enable and Disable by EN Pin
8.3.1.5
Device Unplugged from Input Source
8.3.2
Battery Charging Management
8.3.2.1
Battery Charging Profile
8.3.2.2
Precharge
8.3.2.3
Charging Termination
8.3.2.4
Battery Recharge
8.3.2.5
Charging Safety Timer
8.3.2.6
Thermistor Temperature Monitoring
8.3.3
Charging Status Indicator (STAT)
8.3.4
Protections
8.3.4.1
Voltage and Current Monitoring
8.3.4.1.1
Input Over-Voltage Protection
8.3.4.1.2
Input Voltage Dynamic Power Management (VINDPM)
8.3.4.1.3
Input Current Limit
8.3.4.1.4
Cycle-by-Cycle Current Limit
8.3.4.2
Thermal Regulation and Thermal Shutdown
8.3.4.3
Battery Protection
8.3.4.3.1
Battery Over-Voltage Protection (VBAT_OVP)
8.3.4.3.2
Battery Short Circuit Protection
8.3.4.4
ICHG Pin Open and Short Protection
8.4
Device Functional Modes
8.4.1
Disable Mode, HiZ Mode, Sleep Mode, Charge Mode, Termination Mode, and Fault Mode
9
Application and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Typical Application
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Charge Voltage Settings
9.2.1.2.2
Charge Current Setting
9.2.1.2.3
Inductor Selection
9.2.1.2.4
Input Capacitor
9.2.1.2.5
Output Capacitor
9.2.1.3
Application Curves
9.2.2
Typical Application with External Power Path
9.2.2.1
Design Requirements
9.2.3
Typical Application with MCU Programmable Charge Current
9.2.3.1
Design Requirements
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
Support Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RTE|16
MPQF149D
Thermal pad, mechanical data (Package|Pins)
RTE|16
QFND525B
Orderable Information
sluscz3_oa
sluscz3_pm