SNVSC74A
September 2023 – July 2024
LP5813
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Timing Requirements
5.7
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Synchronous Boost Converter
6.3.1.1
Undervoltage Lockout
6.3.1.2
Enable and Soft Start
6.3.1.3
Switching Frequency
6.3.1.4
Current Limit Operation
6.3.1.5
Boost PWM Mode
6.3.1.6
Boost PFM Mode
6.3.1.7
Pass-Through Mode
6.3.2
Time-Cross-Multiplexing (TCM) Scheme
6.3.2.1
Direct drive mode
6.3.2.2
TCM Drive Mode
6.3.2.3
Mix drive mode
6.3.2.4
Ghosting Elimination
6.3.3
Analog Dimming
6.3.4
PWM Dimming
6.3.5
Autonomous Animation Engine Control
6.3.5.1
Animation Engine Pattern
6.3.5.2
Sloper
6.3.5.3
Animation Engine Unit (AEU)
6.3.5.4
Animation Pause Unit (APU)
6.3.6
Protections and Diagnostics
6.3.6.1
Overvoltage Protection
6.3.6.2
Output Short-to-Ground Protection
6.3.6.3
LED Open Detections
6.3.6.4
LED Short Detections
6.3.6.5
Thermal Shutdown
6.4
Device Functional Modes
6.5
Programming
7
Register Map Table
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Application
8.2.2
Design Parameters
8.2.3
Detailed Design Procedure
8.2.3.1
Inductor Selection
8.2.3.2
Output Capacitor Selection
8.2.3.3
Input Capacitor Selection
8.2.3.4
Program Procedure
8.2.3.5
Programming Example
8.2.4
Application Performance Plots
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
YBH|12
DRR|12
MPSS085A
Thermal pad, mechanical data (Package|Pins)
DRR|12
PPTD337
Orderable Information
snvsc74a_oa
5
Specifications