SLUSD88A
March 2019 – June 2019
BQ25886
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Simplified Schematic
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
Pin 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-On-Reset
8.3.2
Device Power Up from Battery without Input Source
8.3.3
Device Power Up from Input Source
8.3.3.1
Poor Source Qualification
8.3.3.2
Input Source Type Detection
8.3.3.2.1
D+/D– Detection Sets Input Current Limit
8.3.3.3
Power Up REGN Regulator (LDO)
8.3.3.4
Converter Power Up
8.3.4
Input Current Optimizer (ICO)
8.3.5
Buck Mode Operation from Battery (OTG)
8.3.6
PowerPath Management
8.3.6.1
Narrow VDC Architecture
8.3.6.2
Dynamic Power Management
8.3.6.3
Supplement Mode
8.3.7
Battery Charging Management
8.3.7.1
Autonomous Charging Cycle
8.3.7.2
Battery Charging Profile
8.3.7.3
Charging Termination
8.3.7.4
Thermistor Qualification
8.3.7.4.1
JEITA Guideline Compliance in Charge Mode
8.3.7.5
Charging Safety Timer
8.3.8
Status Outputs
8.3.8.1
Power Good Indicator (PG)
8.3.8.2
Charging Status Indicator (STAT)
8.3.9
Input Current Limit on ILIM Pin
8.3.10
Voltage and Current Monitoring
8.3.10.1
Voltage and Current Monitoring in Boost Mode
8.3.10.1.1
Input Over-Voltage Protection
8.3.10.1.2
Input Under-Voltage Protection
8.3.10.1.3
System Over-Voltage Protection
8.3.10.1.4
System Over-Current Protection
8.3.10.2
Voltage and Current Monitoring in OTG Buck Mode
8.3.10.2.1
VBUS Over-voltage Protection
8.3.10.2.2
VBUS Over-Current Protection
8.3.11
Thermal Regulation and Thermal Shutdown
8.3.11.1
Thermal Protection in Boost Mode
8.3.11.2
Thermal Protection in OTG Buck Mode
8.3.12
Battery Protection
8.3.12.1
Battery Over-Voltage Protection (BATOVP)
8.4
Device Functional Modes
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 (VBUS / PMID) Capacitor
9.2.2.3
Output (VSYS) Capacitor
9.2.2.4
ILIM resistor
9.2.2.5
ICHGSET resistor
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
Community Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RGE|24
MPQF124G
Thermal pad, mechanical data (Package|Pins)
RGE|24
QFND136Y
Orderable Information
slusd88a_oa
slusd88a_pm
9.2.2
Detailed Design Procedure