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TPS92365x 65V 2A / 4A Boost / Buck-Boost LED Driver with Inductive Fast Dimming
SLVSGH1B
April 2023 – February 2025
TPS923652
,
TPS923653
,
TPS923654
,
TPS923655
PRODUCTION DATA
CONTENTS
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TPS92365x 65V 2A / 4A Boost / Buck-Boost LED Driver with Inductive Fast Dimming
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
Adaptive Off-Time Current Mode Control
7.3.1.1
Switching Frequency Settings
7.3.1.2
Spread Spectrum
7.3.2
Setting LED Current
7.3.3
Undervoltage Lockout
7.3.4
Internal Soft Start
7.3.5
Dimming Mode
7.3.5.1
PWM Dimming
7.3.5.2
Analog Dimming
7.3.5.3
Hybrid Dimming
7.3.5.4
Flexible Dimming
7.3.6
CC/CV Charging Mode
7.3.7
Fault Protection
7.3.8
Thermal Foldback
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
TPS923654 Boost, 12V Input, 1A Output, 12-piece WLED Driver With Analog Dimming
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.2.1
Inductor Selection
8.2.1.2.2
Input Capacitor Selection
8.2.1.2.3
Output Capacitor Selection
8.2.1.2.4
Sense Resistor Selection
8.2.1.2.5
Other External Components Selection
8.2.1.3
Application Curves
8.2.2
TPS923654 Buck-Boost, 24V Input, 2A Output, 4-piece WLED Driver with PWM Dimming
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.2.1
Inductor Selection
8.2.2.2.2
Input Capacitor Selection
8.2.2.2.3
Output Capacitor Selection
8.2.2.2.4
Sense Resistor Selection
8.2.2.2.5
Other External Components Selection
8.2.2.3
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
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DMT|14
MPSS087B
DRR|12
MPSS085A
Thermal pad, mechanical data (Package|Pins)
DMT|14
QFND767
DRR|12
PPTD337
Orderable Information
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slvsgh1b_pm
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Data Sheet
TPS92365x
65V
2A / 4A
Boost / Buck-Boost
LED Driver with Inductive Fast Dimming
