SLVSCK5C
September 2014 – January 2020
TPS92638-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Typical Application Schematic
5
Revision History
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Switching Characteristics
7.7
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
LED Current Setting
9.3.2
PWM Control
9.3.3
Fault Diagnostics
9.3.3.1
Open-Load Detection
9.3.4
Thermal Foldback
9.4
Device Functional Modes
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
PWM Dimming by Bank
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.3
Application Performance Plots
10.2.2
Two Brightness Levels for TAIL and STOP Lights
10.2.2.1
Design Requirements
10.2.2.2
Detailed Design Procedure
10.2.3
PWM Dimming by Modulated Supply
10.2.3.1
Design Requirements
10.2.3.2
Design Procedure
10.2.4
Driving LEDs From a Single Device With Channels in Parallel
10.2.4.1
Design Requirements
10.2.4.2
Design Procedure
10.2.5
Driving LEDs From Multiple Devices With Channels in Parallel
10.2.5.1
Design Requirements
10.2.5.2
Design Procedure
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
12.3
Thermal Information
13
Device and Documentation Support
13.1
Trademarks
13.2
Electrostatic Discharge Caution
13.3
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
PWP|20
MHTS001G
Thermal pad, mechanical data (Package|Pins)
PWP|20
PPTD027Z
Orderable Information
slvsck5c_oa
slvsck5c_pm
10.2.4.1
Design Requirements
DESIGN PARAMETER
EXAMPLE VALUE
I
(TAIL)
(1)
30 mA
I
(STOP)
(1)
100 mA
(1)
I
(TAIL)
= tail light curent per channel; I
(STOP)
= stop light current per channel.