SLUSEY6
september 2023
LMG3522R050
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
Switching Characteristics
6.7
Typical Characteristics
7
Parameter Measurement Information
7.1
Switching Parameters
7.1.1
Turn-On Times
7.1.2
Turn-Off Times
7.1.3
Drain-Source Turn-On Slew Rate
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
GaN FET Operation Definitions
8.3.2
Direct-Drive GaN Architecture
8.3.3
Drain-Source Voltage Capability
8.3.4
Internal Buck-Boost DC-DC Converter
8.3.5
VDD Bias Supply
8.3.6
Auxiliary LDO
8.3.7
Fault Detection
8.3.7.1
Overcurrent Protection and Short-Circuit Protection
8.3.7.2
Overtemperature Shutdown
8.3.7.3
UVLO Protection
8.3.7.4
Fault Reporting
8.3.8
Drive-Strength Adjustment
8.3.9
Temperature-Sensing Output
8.3.10
Ideal-Diode Mode Operation
8.3.10.1
Overtemperature-Shutdown Ideal-Diode Mode
8.4
Start-Up Sequence
8.5
Safe Operation Area (SOA)
8.5.1
Repetitive SOA
8.6
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Slew Rate Selection
9.2.2.1.1
Start-Up and Slew Rate With Bootstrap High-Side Supply
9.2.2.2
Signal Level-Shifting
9.2.2.3
Buck-Boost Converter Design
9.2.3
Application Curves
9.3
Do's and Don'ts
9.4
Power Supply Recommendations
9.4.1
Using an Isolated Power Supply
9.4.2
Using a Bootstrap Diode
9.4.2.1
Diode Selection
9.4.2.2
Managing the Bootstrap Voltage
9.5
Layout
9.5.1
Layout Guidelines
9.5.1.1
Solder-Joint Reliability
9.5.1.2
Power-Loop Inductance
9.5.1.3
Signal-Ground Connection
9.5.1.4
Bypass Capacitors
9.5.1.5
Switch-Node Capacitance
9.5.1.6
Signal Integrity
9.5.1.7
High-Voltage Spacing
9.5.1.8
Thermal Recommendations
9.5.2
Layout Examples
10
Device and Documentation Support
10.1
Documentation Support
10.1.1
Related Documentation
10.2
Receiving Notification of Documentation Updates
10.3
Support Resources
10.4
Trademarks
10.5
Electrostatic Discharge Caution
10.6
Export Control Notice
10.7
Glossary
Package Options
Mechanical Data (Package|Pins)
RQS|52
MPQF571F
Thermal pad, mechanical data (Package|Pins)
RQS|52
QFND671A
Orderable Information
slusey6_oa
Data Sheet
LMG3522R050
650
-V
50
-mΩ GaN FET With Integrated Driver, Protection, and Temperature Reporting