SLUSDC2C
November 2018 – September 2019
UCC20225-Q1
,
UCC20225A-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Functional Block Diagram
4
Revision History
5
Pin Configuration and Functions
Pin 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-Related Certifications
6.8
Safety Limiting Values
6.9
Electrical Characteristics
6.10
Switching Characteristics
6.11
Thermal Derating Curves
6.12
Typical Characteristics
7
Parameter Measurement Information
7.1
Propagation Delay and Pulse Width Distortion
7.2
Rising and Falling Time
7.3
PWM Input and Disable Response Time
7.4
Programable Dead Time
7.5
Power-up UVLO Delay to OUTPUT
7.6
CMTI Testing
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
VDD, VCCI, and Under Voltage Lock Out (UVLO)
8.3.2
Input and Output Logic Table
8.3.3
Input Stage
8.3.4
Output Stage
8.3.5
Diode Structure in UCC20225-Q1 family
8.4
Device Functional Modes
8.4.1
Disable Pin
8.4.2
Programmable Dead Time (DT) Pin
8.4.2.1
Tying the DT Pin to VCC
8.4.2.2
DT Pin Left Open or Connected to a Programming Resistor between DT and GND Pins
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
Designing PWM Input Filter
9.2.2.2
Select External Bootstrap Diode and its Series Resistor
9.2.2.3
Gate Driver Output Resistor
9.2.2.4
Estimate Gate Driver Power Loss
9.2.2.5
Estimating Junction Temperature
9.2.2.6
Selecting VCCI, VDDA/B Capacitor
9.2.2.6.1
Selecting a VCCI Capacitor
9.2.2.6.2
Selecting a VDDA (Bootstrap) Capacitor
9.2.2.6.3
Select a VDDB Capacitor
9.2.2.7
Dead Time Setting Guidelines
9.2.2.8
Application Circuits with Output Stage Negative Bias
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
Related Links
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Certifications
12.4
Receiving Notification of Documentation Updates
12.5
Community Resources
12.6
Trademarks
12.7
Electrostatic Discharge Caution
12.8
Glossary
13
Mechanical, Packaging, and Orderable Information
6.12
Typical Characteristics
VDDA = VDDB= 12 V, VCCI = 3.3 V, T
A
= 25°C, No load unless otherwise noted.
Figure 4.
Per Channel Current Consumption vs. Frequency (No Load, VDD = 12 V or 25 V)
Figure 6.
Per Channel Current Consumption (I
VDDA/B
) vs. Frequency (10-nF Load, VDD = 12 V or 25 V)
Figure 8.
Per Channel (I
VDDA/B
) Quiescent Supply Current vs Temperature (No Load, Input Low, No Switching)
A.
Figure 10.
Rising and Falling Times vs. Load (VDD = 12 V)
Figure 12.
Propagation Delay vs. Temperature
A.
Figure 14.
Pulse Width Distortion vs. Temperature
Figure 16.
Propagation Delay Matching (t
DM
) vs. Temperature
Figure 18.
UCC20225A-Q1 VDD 5-V UVLO Threshold vs. Temperature
Figure 20.
UCC20225-Q1 VDD 8-V UVLO Threshold vs. Temperature
Figure 22.
PWM/DIS Low Threshold
Figure 24.
Dead Time vs. Temperature (with R
DT
= 20 kΩ and 100 kΩ)
Figure 5.
Per Channel Current Consumption (I
VDDA/B
) vs. Frequency (1-nF Load, VDD = 12 V or 25 V)
Figure 7.
Per Channel (I
VDDA/B
) Supply Current Vs. Temperature (No Load, Different Switching Frequencies)
A.
Figure 9.
I
VCCI
Quiescent Supply Current vs Temperature (No Load, DIS is High, No Switching)
Figure 11.
Output Resistance vs. Temperature
Figure 13.
Propagation Delay vs. VCCI
Figure 15.
Propagation Delay Matching (t
DM
) vs. VDD
Figure 17.
UCC20225A-Q1 VDD 5-V UVLO Hysteresis vs. Temperature
Figure 19.
UCC20225-Q1 VDD 8-V UVLO Hysteresis vs. Temperature
Figure 21.
PWM/DIS Hysteresis vs. Temperature
Figure 23.
PWM/DIS High Threshold
Figure 25.
Dead Time Matching vs. Temperature (with R
DT
= 20 kΩ and 100 kΩ)