SLVSGL7A
December 2021 – March 2022
TPS92624-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power Supply (SUPPLY)
7.3.1.1
Power-On Reset (POR)
7.3.1.2
Suppply Current in Fault Mode
7.3.2
Enable and Shutdown
7.3.3
Constant-Current Output and Setting (INx)
7.3.4
Thermal Sharing Resistor (OUTx and RESx)
7.3.5
PWM Control (PWMx)
7.3.6
Supply Control
7.3.7
Diagnostics
7.3.7.1
LED Short-to-GND Detection
7.3.7.2
LED Open-Circuit Detection
7.3.7.3
LED Open-Circuit Detection Enable (DIAGEN)
7.3.7.4
Overtemperature Protection
7.3.7.5
Low Dropout Operation
7.3.8
FAULT Bus Output With One-Fails-All-Fail
7.3.9
FAULT Table
7.3.10
LED Fault Summary
7.3.11
IO Pins Inner Connection
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 Operation
7.4.4
Fault Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Applications
8.2.1
BCM Controlled Rear Lamp With One-Fails-All-Fail Setup
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
Independent PWM Controlled Rear Lamp By MCU
8.2.2.1
Design Requirements
8.2.2.2
Detailed Design Procedure
8.2.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Support Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
10.2
Layout Example
Figure 10-1
TPS9262
4
-Q1 Example Layout Diagram