SLVSGW4A
November 2022 – November 2023
TPS92622-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Power Supply (SUPPLY)
6.3.1.1
Power-On Reset (POR)
6.3.1.2
Suppply Current in Fault Mode
6.3.2
Enable and Shutdow(EN)
6.3.3
Constant-Current Output and Setting (INx)
6.3.4
Thermal Sharing Resistor (OUTx and RESx)
6.3.5
PWM Control (PWMx)
6.3.6
Supply Control
6.3.7
Diagnostics
6.3.7.1
LED Short-to-GND Detection
6.3.7.2
LED Open-Circuit Detection
6.3.7.3
LED Open-Circuit Detection Enable (DIAGEN)
6.3.7.4
Overtemperature Protection
6.3.7.5
Low Dropout Operation
6.3.8
FAULT Bus Output With One-Fails-All-Fail
6.3.9
FAULT Table
6.3.10
LED Fault Summary
6.3.11
IO Pins Inner Connection
6.4
Device Functional Modes
6.4.1
Undervoltage Lockout, V(SUPPLY) < V(POR_rising)
6.4.2
Normal Operation V(SUPPLY) ≥ 4.5 V
6.4.3
Low-Voltage Dropout Operation
6.4.4
Fault Mode
7
Application and Implementation
7.1
Application Information
7.2
Typical Applications
7.2.1
BCM Controlled Rear Lamp With One-Fails-All-Fail Setup
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.1.3
Application Curves
7.2.2
Independent PWM Controlled Rear Lamp By MCU
7.2.2.1
Design Requirements
7.2.2.2
Detailed Design Procedure
7.2.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Receiving Notification of Documentation Updates
8.2
Support Resources
8.3
Trademarks
8.4
Electrostatic Discharge Caution
8.5
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DGN|12
MPDS585A
DRR|12
MPSS085A
Thermal pad, mechanical data (Package|Pins)
DRR|12
PPTD337
Orderable Information
slvsgw4a_oa
slvsgw4a_pm
7.2.1.3
Application Curves
Ch1 = V
(SUPPLY)
Ch2 = V
(DIAGEN)
Ch3 = V
(PWM1)
Ch4 = V
(OUT1)
Ch5 = I
(OUT_Tot)
Figure 7-2
200-Hz Supply Dimming 20% Brightness
Ch1 = V
(SUPPLY)
Ch2 = V
(DIAGEN)
Ch3 = V
(PWM1)
Ch4 = V
(OUT1)
Ch5 = I
(OUT_Tot)
Figure 7-3
200-Hz Supply Dimming 80% Brightness