Bezahlverfahren
TPSF12C1QDYYRQ1 +BOM
Automotive common-mode active EMI filter (AEF) for single-phase systems
SOT-23-THN (DYY)-14-
Hersteller:
Texas Instruments
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Herstellerteil #:
TPSF12C1QDYYRQ1
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Datenblatt:
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Series:
TPSF12C1-Q1
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Number Of Channels:
1 Channel
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Supply Voltage - Max:
16 V
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Supply Voltage - Min:
8 V
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EDA/CAD Modelle:
Verfügbarkeit: 6255 Stck
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TPSF12C1QDYYRQ1 Allgemeine Beschreibung
The TPSF12C1-Q1 is an active filter IC designed to reduce common-mode (CM) electromagnetic interference (EMI) in single-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 TPSF12C1-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.
Hauptmerkmale
- 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 single-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
Spezifikationen
Product Category | Active Filters | Series | TPSF12C1-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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In Stock: 6.255
Minimum Order: 1
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