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TPSF12C3QDYYRQ1 +BOM

Automotive common-mode active EMI filter (AEF) for three-phase systems

Produttore:

Texas Instruments
ProduttorePart #:

TPSF12C3QDYYRQ1
Scheda dati:

TPSF12C3QDYYRQ1 Scheda dati (PDF)
Series:

TPSF12C3-Q1
Number Of Channels:

1 Channel
Supply Voltage - Max:

16 V
Supply Voltage - Min:

8 V
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per TPSF12C3QDYYRQ1

TPSF12C3QDYYRQ1 Descrizione generale

The TPSF12C3-Q1 is an active filter IC designed to reduce common-mode (CM) electromagnetic interference (EMI) in three-phase AC power systems.

The active EMI filter (AEF) configured with voltage sense and current inject (VSCI) uses a capacitive multiplier circuit to emulate the Y-capacitors in a conventional passive filter design. The device senses the high-frequency noise on each power line using a set of sense capacitors and injects noise-canceling currents back into the power lines using an injection capacitor. The effective active capacitance is set by the circuit gain and the injection capacitance. The AEF sensing and injection impedances use relatively low capacitance values with small component footprints. The device includes integrated filtering, compensation and protection circuitry, and an enable input.

The TPSF12C3-Q1 provides a very low impedance path for CM noise in the frequency range of interest for EMI measurement. Enabling up to 30 dB of CM noise reduction at the lower end of specified frequency ranges (for example, 150 kHz to 3 MHz) significantly reduces the size, weight and cost of the CM filter implementation.

Caratteristiche principali

AEC-Q100 qualified for automotive applications:
- Device temperature grade 1: –40°C to +125°C ambient operating temperature
Functional Safety-Capable
- Documentation available to aid functional safety system design
Voltage-sense, current-inject active EMI filter
- Optimized for CISPR 25 Class 5 automotive EMI requirements
- Low impedance for common-mode emissions
- 50%+ reduction in choke size, weight and cost
- Peak inject current of ±80 mA (typical)
Wide supply voltage range of 8 V to 16 V
Junction temperature range of –40°C to 150°C
Simple configuration for three-phase AC 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

Specifiche

Product Category	Active Filters	Series	TPSF12C3-Q1
Number of Channels	1 Channel	Supply Voltage - Max	16 V
Supply Voltage - Min	8 V	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 150 C	Mounting Style	SMD/SMT
Operating Supply Voltage	12 V	Product Type	Active Filters
Factory Pack Quantity	3000	Subcategory	Filters

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