SLUSDM0J
May 2020 – November 2023
TPS628501-Q1
,
TPS628502-Q1
,
TPS628503-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
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
Typical Characteristics
7
Parameter Measurement Information
7.1
Schematic
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Precise Enable (EN)
8.3.2
COMP/FSET
8.3.3
MODE / SYNC
8.3.4
Spread Spectrum Clocking (SSC)
8.3.5
Undervoltage Lockout (UVLO)
8.3.6
Power-Good Output (PG)
8.3.7
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Pulse Width Modulation (PWM) Operation
8.4.2
Power Save Mode Operation (PWM/PFM)
8.4.3
100% Duty-Cycle Operation
8.4.4
Current Limit and Short Circuit Protection
8.4.5
Foldback Current Limit and Short-Circuit Protection
8.4.6
Output Discharge
8.4.7
Input Overvoltage Protection
9
Application and Implementation
9.1
Application Information
9.1.1
Programming the Output Voltage
9.1.2
External Component Selection
9.1.2.1
Inductor Selection
9.1.3
Capacitor Selection
9.1.3.1
Input Capacitor
9.1.3.2
Output Capacitor
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
9.3
System Examples
9.3.1
Fixed Output Voltage Versions
9.3.2
Synchronizing to an External Clock
9.4
Power Supply Recommendations
9.5
Layout
9.5.1
Layout Guidelines
9.5.2
Layout Example
10
Device and Documentation Support
10.1
Device Support
10.1.1
Third-Party Products Disclaimer
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Glossary
11
Revision History
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRL|8
MPCS002D
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusdm0j_oa
slusdm0j_pm
1
Features
AEC-Q100 qualified for automotive applications
Device temperature grade 1:
–40°C to +125°C T
A
Functional Safety-Capable
Documentation available to aid functional safety system design
Optimized for low EMI requirements
Optional pseudo-random spread spectrum reduces peak emissions
T
J
= –40°C to +150°C
Family of 1-A and 2-A (continuous) and 3-A (peak) converters
Input voltage range: 2.7 V to 6 V
Quiescent current: 17-µA typical
Output voltage from 0.6 V to 5.5 V
Output voltage accuracy ±1% (PWM operation)
Forced PWM or PWM/PFM operation
Adjustable switching frequency:
1.8 MHz to 4 MHz
Precise ENABLE input allows:
User-defined undervoltage lockout
Exact sequencing
100% duty cycle mode
Active output discharge
Foldback overcurrent protection – optional
Power-good output with window comparator