SNVSCV5
October 2025
TPS923621
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
Enable and Start-up
7.3.2
Under-Voltage Lockout (UVLO)
7.3.3
Shutdown
7.3.4
Boost Control Operation
7.3.5
Switching Peak Current Limit
7.3.6
Over-Voltage Protection
7.3.7
Output Current Setting
7.3.8
Output Current PWM Controlled Analog Dimming
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Normal Operation Mode
7.4.2
Over-Voltage Protection Mode
7.4.3
Shutdown Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Inductor Selection
8.2.2.2
Schottky Diode Selection
8.2.2.3
Output Capacitor Selection
8.2.2.4
LED Current Set Resistor
8.2.2.5
Thermal Considerations
8.2.3
Application Curves
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
Device 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)
DRL|6
MPDS159I
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvscv5_oa
Data Sheet
TPS923621/2
30V Synchronous Boost LED Driver with Ultra-low Shutdown Current and 0.1%-ratio PWM Controlled Analog Dimming