SLVSI65
July 2025
TPSM81299
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
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
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Boost Control Operation
7.3.2
Version Detection
7.3.3
Undervoltage Lockout
7.3.4
Switching Frequency
7.3.5
Average Input Current Limit
7.3.6
Enable and Disable
7.3.7
Soft-Start Timing
7.3.8
Down Mode
7.3.9
Pass-Through Operation
7.3.10
Output Short-to-Ground Protection
7.3.11
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Fast Load Transient Mode and Normal Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Application-Li-ion Battery to 5V Boost Converter Under Normal Mode
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Maximum Output Current
8.2.2.2
Output Capacitor Selection
8.2.2.3
Input Capacitor Selection
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
8.5
Thermal Information
9
Device and Documentation Support
9.1
Device Support
9.1.1
Third-Party Products Disclaimer
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
8.2.1
Design Requirements
The design parameters are listed in
Table 8-1
.
Table 8-1 Design Requirements
PARAMETERS
VALUES
Input Voltage
2.7V ~ 4.3V
Output Voltage
5V ( normal mode )
Output Current
500mA
Output Voltage Ripple
± 50mV