SLDS238B
January 2018 – January 2020
TPS92611-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)
7.3.1.2
Low-Quiescent-Current Fault Mode
7.3.2
Constant-Current Driver
7.3.3
Device Enable
7.3.4
PWM Dimming
7.3.5
Diagnostics
7.3.5.1
DIAGEN
7.3.5.2
Low-Dropout Mode
7.3.5.3
Open-Circuit Detection
7.3.5.4
Short-to-GND Detection
7.3.5.5
Overtemperature Protection
7.3.6
Fault-Bus Output With One-Fails–All-Fail
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
7.4.3
Low-Voltage Dropout
7.4.4
Fault Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Single-Channel LED Driver With Diagnostics
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
Package Options
Mechanical Data (Package|Pins)
DGN|8
MPDS046F
Thermal pad, mechanical data (Package|Pins)
DGN|8
PPTD362A
Orderable Information
slds238b_oa
slds238b_pm
7.3
Feature Description