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Overview
| Topology | Flyback Converter |
| Input voltage | 85-240 V |
| IC revision | 2 |
Description
The MCP3914 Smart Power Strip (v2) Reference Design is a fully functional power monitor capable of measuring up to 6 device loads simultaneously while reporting data to an LCD display or wirelessly connected web-based UI via an on-board Wifi Module . The Power Strip offers universal socket support for China, Europe and US geographies. The system metrology firmware calculates the real-time values of the RMS Current, RMS Voltage, Frequency, and Active Power consumption for each channel.
Features
RMS Current, RMS Voltage, Active Power and Line Frequency MeasurementsOversampling Ratio up to 4096Power Monitoring Accuracy capable of 0.1% error over a 10,000:1 dynamic range94.5 dB SINAD, -107 dBc THD (up to 35th Harmonic), 112 dBFS SFDRLow-Drift 1.2V Internal Voltage Reference: 9 ppm/°C typical40-lead 5x5 mm UQFN PackageExtended Temperature Range -40°C to +125°
Typical applications
- Smart Power Strip
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | Packaging | Tol. C | Size | Operating Temperature | DF(%) | Ceramic Type | Fl(mm) | ISAT(A) | RDC(mΩ) | fres(MHz) | Package | Input | VCE max.(V) | IF max.(mA) | Test Condition CTR | CTR min.(%) | CTR max.(%) | VISO(V (RMS)) | n | ∫Udt(Vµs) | RDC1 max(mΩ) | RDC2 max(Ω) | VIN | VOut1(V) | IOut1(A) | Vaux(V) | fswitch(kHz) | NPRI : NSEC : NAUX | Pins | Type | G(mm) | Working Voltage(V (AC)) | IR(A) | L(mH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTXX Film Capacitors, Across the mains, 100 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | Capacitance100 nF | Safety ClassX2 | Rate of Voltage Rise300 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch15 mm | PackagingCarton | Capacitance±10% | SizePitch 15 mm | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Pin length4 mm | – | – | – | – | Rated Voltage310 V (AC) | – | – | Length18 mm | Width6 mm | Height12 mm | MountBoxed THT | ||||
 | WE-CMB Common Mode Power Line Choke, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CMB Common Mode Power Line Choke | – | – | – | – | – | – | – | – | SizeXS | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins4 | – | Pin length2.5 mm | – | Rated Current1.5 A | Inductance4 mH | DC Resistance140 mΩ | Rated Voltage250 V (AC) | Insulation Test Voltage1500 V (AC) | MaterialMnZn | Length15.8 mm | Width7.8 mm | Height18 mm | MountTHT | ||||
 | WE-LQS SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LQS SMT Power Inductor | – | – | – | – | – | – | – | – | Size3015 | Operating Temperature -40 °C up to +125 °C | – | – | – | Saturation Current1.5 A | DC Resistance70 mΩ | Self Resonant Frequency72 MHz | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Current1.5 A | Inductance0.0033 mH | – | – | – | – | Length3 mm | Width3 mm | Height1.5 mm | MountSMT | ||||
| WCAP-CSGP MLCCs 50 V(DC), –, 100 nF | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance100 nF | – | – | – | Insulation Resistance5 GΩ | – | Packaging7" Tape & Reel | Capacitance±10% | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3 % | Ceramic TypeX7R Class II | Pad Dimension0.4 mm | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Rated Voltage50 V (AC) | – | – | Length1.6 mm | Width0.8 mm | Height0.8 mm | – | |||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | Insulation Resistance1000 MΩ | Pitch2.54 mm | PackagingBag | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins5 | TypeAngled | – | Working Voltage250 V (AC) | Rated Current3 A | – | – | – | – | – | Length12.7 mm | – | – | MountTHT | ||
 | Simulation– | Downloads7 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Dual | – | – | – | – | Insulation Resistance1000 MΩ | Pitch2.54 mm | PackagingBag | – | – | Operating Temperature -40 °C up to +105 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins16 | TypeAngled | – | Working Voltage250 V (AC) | Rated Current3 A | – | – | – | – | – | Length20.32 mm | – | – | MountTHT | |||
 | WE-OLTI Offline Flyback Transformers, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-OLTI Offline Flyback Transformers | – | – | – | – | – | – | PackagingTray | – | SizeEP13 | Operating Temperature -40 °C up to +125 °C | – | – | – | Saturation Current0.425 A | – | – | – | – | – | – | – | – | – | – | Turns Ratio15.42:1:3.14 | – | – | – | Input Voltage 85 - 265 V (AC) | Output Voltage 15 V | Output Current 11 A | Auxiliary Voltage15 V | Switching Frequency 70 | Turns Ratio15.42:1:3.14 | – | – | – | – | – | Inductance1.5 mH | – | – | Insulation Test Voltage4000 V (AC) | – | Length22.2 mm | Width25 mm | Height16 mm | MountTHT | ||||
 | WL-OCPT SOP-4, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-OCPT SOP-4 | – | – | – | – | – | – | – | – | SizeSOP4 | Operating Temperature -55 °C up to +110 °C | – | – | – | – | – | – | PackageSOP 4 | InputDC | Collector Emitter Voltage35 V | Forward Current60 mA | IF = 5 mA VCE = 5 V | Current Transfer Ratio [min.]130 % | Current Transfer Ratio [max.]260 % | Isolation Voltage3750 V (RMS) | – | – | – | – | – | – | – | – | – | – | – | TypeOptocoupler Phototransistor | – | – | – | – | – | – | – | – | Length4.4 mm | Width3.6 mm | Height2 mm | MountSMT | ||||
 | WE-CSTLF Line Frequency Current Sense Transformer, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-CSTLF Line Frequency Current Sense Transformer | – | – | – | – | – | – | – | – | SizeEI187 | Operating Temperature -40 °C up to +125 °C | – | – | – | – | – | – | – | – | – | – | – | – | – | – | Turns Ratio1:2000 | Voltage-µSecond120000 Vµs | DC Resistance 10.27 mΩ | DC Resistance 2317 Ω | – | – | – | – | Switching Frequency 50 - 400 | – | – | – | – | – | Rated Current45 A | Inductance6400 mH | – | Rated Voltage80 V (AC) | Insulation Test Voltage4000 V (AC) | – | Length20.3 mm | Width16.5 mm | Height17 mm | – |