SBVS392A
june 2022 – august 2023
TPS7B4255-Q1
PRODUCTION DATA
1
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 Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Tracker Output Voltage (VOUT)
7.3.1.1
Output Voltage Equal to the Reference Voltage
7.3.1.2
Output Voltage Less Than the Reference Voltage
7.3.2
Reverse Current Protection
7.3.3
Undervoltage Lockout
7.3.4
Thermal Protection
7.3.5
Current Limit
7.3.6
Output Short to Battery
7.3.7
Tracking Regulator With an Enable Circuit
7.4
Device Functional Modes
7.4.1
Normal Operation
7.4.2
Dropout Operation
7.4.3
Operation With VIN < 3 V
7.4.4
Disable With ADJ/EN Control
8
Application and Implementation
8.1
Application Information
8.1.1
Dropout Voltage
8.1.2
Reverse Current
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Input and Output Capacitor Selection
8.2.3
Application Curves
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
Package Mounting
8.4.1.2
Board Layout Recommendations to Improve PSRR and Noise Performance
8.4.1.3
Power Dissipation and Thermal Considerations
8.4.1.4
Thermal Performance Versus Copper Area
8.4.2
Layout Examples
9
Device and Documentation Support
9.1
Device Support
9.1.1
Device Nomenclature
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
10.1
Mechanical Data
Package Options
Mechanical Data (Package|Pins)
DYB|5
MPSS134
DBV|5
MPDS018S
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sbvs392a_oa
sbvs392a_pm
2
Applications
Powertrain pressure sensors
Powertrain temperature sensors
Powertrain exhaust sensors
Powertrain fluid concentration sensors
Body control modules (BCM)