SNVSCB9A
march 2023 – april 2023
TPSF12C1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
System Characteristics
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Active EMI Filtering
8.3.1.1
Schematics
8.3.2
Capacitive Amplification
8.3.3
Integrated Line Rejection Filter
8.3.4
Compensation
8.3.5
Remote Enable
8.3.6
Supply Voltage UVLO Protection
8.3.7
Thermal Shutdown Protection
8.4
Device Functional Modes
8.4.1
Shutdown Mode
8.4.2
Active Mode
9
Applications and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
Design 1 – AEF Circuit for a High-Density 3-kW Server Rack Power Supply
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.2.1
Sense Capacitors
9.2.1.2.2
Inject Capacitor
9.2.1.2.3
Compensation Network
9.2.1.2.4
Injection Network
9.2.1.2.5
Surge Protection
9.2.1.3
Application Curves
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Device Support
10.1.1
Third-Party Products Disclaimer
10.1.2
Development Support
10.2
Documentation Support
10.2.1
Related Documentation
10.3
Receiving Notification of Documentation Updates
10.4
Support Resources
10.5
Trademarks
10.6
Electrostatic Discharge Caution
10.7
Glossary
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DYY|14
MPSS114C
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snvscb9a_oa
snvscb9a_pm
1
Features
Functional Safety-Capable
Documentation available to aid functional safety system design
Voltage-sense, current-inject active EMI filter
Optimized for
CISPR 11 and CISPR 32 Class B conducted
EMI requirements
Low impedance for common-mode emissions
over the applicable EMI frequency range (150 kHz to 3 MHz)
50%+ reduction in choke size, weight and cost
Peak inject current of ±80 mA (typical)
Amplifier with unity gain bandwidth of 113 MHz
Wide supply voltage range of 8 V to 16 V
Junction temperature range of –40°C to 150°C
Simple
external
configuration for
single-phase
AC
power
systems
Integrated sensing filter and summing network
Low leakage current at line frequency
Simplified compensation network
Inherent protection features for robust design
Withstands
surge
of 6 kV (IEC 61000-4-5) with minimal external component count
Enable pin for remote ON and OFF control
VDD voltage UVLO protection with hysteresis
Thermal shutdown protection with hysteresis
4.2-mm × 2-mm SOT-23 14-pin (DYY) package