SLDS237B
January 2018 – January 2020
TPS92612-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Typical Application Diagram
4
Revision History
5
Pin Configuration and Functions
Pin 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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Device Bias
7.3.1.1
Power-On Reset (POR)
7.3.2
Constant-Current Driver
7.3.3
PWM Dimming
7.3.4
Protection
7.3.4.1
Short-to-GND Protection
7.3.4.2
Overtemperature Protection
7.4
Device Functional Modes
7.4.1
Undervoltage Lockout, V(SUPPLY)< V(POR_rising)
7.4.2
Normal Operation, V(SUPPLY) ≥ 4.5 V
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Single-Channel LED Driver
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curve
8.2.2
Single-Channel LED Driver With Heat Sharing
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Curve
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Receiving Notification of Documentation Updates
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
2
Applications
Automotive Convenience Lighting: Dome Light, Door Handles, Reading Lamp, and Miscellaneous Lamps
Automotive Rear Lamp, Center High-Mounted Stop Lamp, Side Markers, Blind-Spot Detection Indicator, Charging Inlet Indicator
General-Purpose LED Driver Applications