TPSF12C3 Standalone, Active, EMI Filter for Common-mode Noise Mitigation in Three-Phase, AC, Power Systems

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 three-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