SLUSFA0
September 2023
UCC21738-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
Power Ratings
6.6
Insulation Specifications
6.7
Safety Limiting Values
6.8
Electrical Characteristics
6.9
Switching Characteristics
6.10
Insulation Characteristics Curves
6.11
Typical Characteristics
7
Parameter Measurement Information
7.1
Propagation Delay
7.1.1
Regular Turn-OFF
7.2
Input Deglitch Filter
7.3
Active Miller Clamp
7.3.1
External Active Miller Clamp
7.4
Undervoltage Lockout (UVLO)
7.4.1
VCC UVLO
7.4.2
VDD UVLO
7.5
Overcurrent (OC) Protection
7.5.1
OC Protection with Soft Turn-OFF
7.6
ASC Support
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Power Supply
8.3.2
Driver Stage
8.3.3
VCC and VDD Undervoltage Lockout (UVLO)
8.3.4
Active Pulldown
8.3.5
Short Circuit Clamping
8.3.6
External Active Miller Clamp
8.3.7
Overcurrent and Short Circuit Protection
8.3.8
Soft Turn-off
8.3.9
Fault (FLT), Reset, and Enable (RST/EN)
8.3.10
ASC Support and APWM Monitor
8.4
Device Functional Modes
9
Applications 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
Input Filters for IN+, IN-, and RST/EN
9.2.2.2
PWM Interlock of IN+ and IN-
9.2.2.3
FLT, RDY, and RST/EN Pin Circuitry
9.2.2.4
RST/EN Pin Control
9.2.2.5
Turn-On and Turn-Off Gate Resistors
9.2.2.6
External Active Miller Clamp
9.2.2.7
Overcurrent and Short Circuit Protection
9.2.2.7.1
Protection Based on Power Modules with Integrated SenseFET
9.2.2.7.2
Protection Based on Desaturation Circuit
9.2.2.7.3
Protection Based on Shunt Resistor in Power Loop
9.2.2.8
Higher Output Current Using an External Current Buffer
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Receiving Notification of Documentation Updates
12.4
Support Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DW|16
MSOI003I
Thermal pad, mechanical data (Package|Pins)
DW|16
QFND505A
Orderable Information
slusfa0_oa
slusfa0_pm
7
Parameter Measurement Information