SLUSDH7C
February 2019 – January 2024
UCC21732-Q1
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Power Ratings
5.6
Insulation Specifications
5.7
Safety-Related Certifications
5.8
Safety Limiting Values
5.9
Electrical Characteristics
5.10
Switching Characteristics
5.11
Insulation Characteristics Curves
5.12
Typical Characteristics
6
Parameter Measurement Information
6.1
Propagation Delay
6.1.1
Regular Turn-OFF
6.2
Input Deglitch Filter
6.3
Active Miller Clamp
6.3.1
External Active Miller Clamp
6.4
Under Voltage Lockout (UVLO)
6.4.1
VCC UVLO
6.4.2
VDD UVLO
6.5
OC (Over Current) Protection
6.5.1
OC Protection with 2-Level Turn-OFF
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power Supply
7.3.2
Driver Stage
7.3.3
VCC and VDD Undervoltage Lockout (UVLO)
7.3.4
Active Pulldown
7.3.5
Short Circuit Clamping
7.3.6
External Active Miller Clamp
7.3.7
Overcurrent and Short Circuit Protection
7.3.8
2-Level Turn-Off
7.3.9
Fault ( FLT, Reset and Enable ( RST/EN)
7.3.10
Isolated Analog to PWM Signal Function
7.4
Device Functional Modes
8
Applications and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Input Filters for IN+, IN- and RST/EN
8.2.2.2
PWM Interlock of IN+ and IN-
8.2.2.3
FLT, RDY and RST/EN Pin Circuitry
8.2.2.4
RST/EN Pin Control
8.2.2.5
Turn-On and Turn-Off Gate Resistors
8.2.2.6
External Active Miller Clamp
8.2.2.7
Overcurrent and Short Circuit Protection
8.2.2.7.1
Protection Based on Power Modules with Integrated SenseFET
8.2.2.7.2
Protection Based on Desaturation Circuit
8.2.2.7.3
Protection Based on Shunt Resistor in Power Loop
8.2.2.8
Isolated Analog Signal Sensing
8.2.2.8.1
Isolated Temperature Sensing
8.2.2.8.2
Isolated DC Bus Voltage Sensing
8.2.2.9
Higher Output Current Using an External Current Buffer
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Third-Party Products Disclaimer
11.2
Documentation Support
11.2.1
Related Documentation
11.3
Receiving Notification of Documentation Updates
11.4
Support Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Revision History
13
Mechanical, Packaging, and Orderable Information
10.2
Layout Example
Figure 10-1
Layout Example