OptocouplersDesigner’s GuideHow to Use This GuideThe table of contents lists all the applications by their general description.Data sheets for prod uc
AV02-4387EN 8 Avago TechnologiesFigure 11. AC Equivalent Circuit for HCPL-261X.Common-Mode Transient RejectionCommon-mode noise can enter a system t
AV02-4387EN 9 Avago TechnologiesDynamic CMRFigure 13. High voltage common mode noise spike hardly causes a ripple in the output of 10MBd digital opt
AV02-4387EN 10 Avago TechnologiesCalculate the LED Lifetime Performance in Optocouplers to Predict ReliabilityCalculate the LED Lifetime Performance
AV02-4387EN 11 Avago TechnologiesCalculate the LED Lifetime Performance in Optocouplers to Predict Reliability Acceleration Factor Based on Black Mo
AV02-4387EN 12 Avago TechnologiesCalculate the LED Lifetime Performance in Optocouplers to Predict Reliability The projected eld lifetime for the L
AV02-4387EN 13 Avago TechnologiesHigh-reliability LEDs in Avago OptocouplersAs a further demonstration of the reliability and robustness of Avago LE
AV02-4387EN 14 Avago Technologies250200100180°C2.5°C±0.5°C/sec.3°C+1°C/-0.5°CPeak Temperature245°CPeak Temperature240°CPeak Temperature230°CSolderin
AV02-4387EN 14 Avago TechnologiesDigital Optoisolators:An OverviewFigure 1. Photodiode/Transistor OptoisolatorFigure 2. Split Darlington Transistor
AV02-4387EN 15 Avago Technologies128765LED3SHIELDHCPL-2400HCPL-2430HCPL-2201HCPL-2230PHOTODIODE(PIN)2 R1VOUTVCCTOTEM POLEOUTPUT STAGEVINENABLECASCAD
AV02-4387EN 16 Avago TechnologiesDigital Logic Interface/Level Shifting ApplicationsDescriptionThe circuit shown is an interface between two TTL gat
Table of ContentsDesign Considerations...
AV02-4387EN 17 Avago TechnologiesDescriptionThe above circuit shows how a 0 to 5 V logic signal can be level shifted to a -15 to 0 V signal. The cir
AV02-4387EN 18 Avago TechnologiesDescriptionA CMOS-to-CMOS interface is pos-sible with Avago opto-couplers. The above circuit shows an inter-face ci
AV02-4387EN 19 Avago Technologies25 MBd CMOS InterfaceDescriptionUp to 25 MBd CMOS-to-CMOS inter-face is possible with the HCPL-7721 optocouplers. T
AV02-4387EN 20 Avago TechnologiesPerformance of Circuit• MinimumoptocouplerLEDturnon current: 0.5 mA (The HCPL-4701 optocoupler requires only 4
AV02-4387EN 21 Avago TechnologiesDescriptionThe HCPL-4701 low-power optocou-pler is used for 3 V-to-3 V Logic inter-face across an isolation barrier
AV02-4387EN 22 Avago TechnologiesDescriptionThe above schematic shows a very simple RS-232C data communication isolation interface using a 6N139 op-
AV02-4387EN 23 Avago TechnologiesDescriptionThe above isolated RS-232 circuit uses two high-speed 3.3V optocou-plers that can switch up to 15 MBd si
AV02-4387EN 24 Avago TechnologiesPerformance of Circuit• Typicaloptocouplersignalingrate: greater than 10 MBd• Typicaloptocouplerpropagation
AV02-4387EN 25 Avago TechnologiesDescriptionDeviceNet, a factory oor com-munication network standard, sometimes may require connect ing devices to
AV02-4387EN 26 Avago TechnologiesData Communications ApplicationsDescriptionThe HCNR200/1 Analog Optocoup-ler isolates both the transmitter and rece
AV02-4387EN 1 Avago TechnologiesInsulation and Regulation of Optically Coupled Isolation DevicesDesign ConsiderationsThe primary purpose of opto cou
AV02-4387EN 27 Avago TechnologiesDescriptionThe above half-duplex, point-to-point, multi-drop, 20 mA current loop conguration can alternat ingly tr
AV02-4387EN 28 Avago TechnologiesDescriptionThe above dierentially driven circuit can use up to eight 6N138 optocouplers at various receivers along
AV02-4387EN 29 Avago TechnologiesDescriptionA balanced RS-422 line driver dier-entially drives a twisted pair line. Two HCPL-2300s provide balanced
AV02-4387EN 30 Avago TechnologiesDescriptionThis is a dierential receiver using a dual-channel HCPL-2630 Opto-coupler. The receiver circuit can han
AV02-4387EN 31 Avago TechnologiesDescriptionThe above circuit converts a single-ended signal to a split-phase signal with a 75159 Tri-State Line Dri
AV02-4387EN 32 Avago TechnologiesDescriptionThe above illustration is an unbal-anced line receiver using the inte-grated voltage-clamp input opto-co
AV02-4387EN 33 Avago TechnologiesDescriptionProbus (Process Fieldbus) is essen-tially a twisted wire pair serial link very similar to RS-485 or 422
AV02-4387EN 34 Avago TechnologiesDescriptionProbus (Process Fieldbus) is essen-tially a twisted wire pair serial link very similar to RS-485 or 422
AV02-4387EN 35 Avago TechnologiesDescriptionThe 6N136 Low-Input Current Op-tocoupler is used to detect stand-ard telephone ring signals. At the opto
AV02-4387EN 36 Avago TechnologiesDescriptionThe HCPL-4701 Low Power Opto-coupler is suitable for standard tel-ephone line interface functions such a
AV02-4387EN 2 Avago TechnologiesCategory 1 Optocouplers Category 2 Optocouplers:Category 3 Optocouplers:Figure 3. Recommended Safe Operating Area fo
AV02-4387EN 37 Avago TechnologiesAnalog Isolation ApplicationsFigure 1. HCNR-200/1 High Linearity Analog IsolatorIntroductionOptoisolators transfer
AV02-4387EN 38 Avago TechnologiesHigh Speed Isolation AmplierDescriptionThis is a high-speed, low-cost isola-tion amplier for use in the feedback
AV02-4387EN 39 Avago TechnologiesPrecision Isolation Amplier for Unipolar SignalsDescriptionThis circuit uses the HCNR200/1 High-Linearity Analog O
AV02-4387EN 40 Avago TechnologiesIsolation Amplier for Bipolar Signals - Circuit No. 1DescriptionThis circuit shows how the HCNR200 High Linearity
AV02-4387EN 41 Avago TechnologiesIsolation Amplier for Bipolar Signals - Circuit No. 2DescriptionThis circuit shows how bipolar analog signals can
AV02-4387EN 42 Avago TechnologiesAnalog ApplicationsDescriptionThis circuit with the HCPL-4562 Wideband Analog/Video Optocou-pler functions as an ac
AV02-4387EN 43 Avago TechnologiesIsolated Video InterfaceDescriptionThis circuit, with the HCPL-4562 Wideband Analog/Video Optocou-pler, is optimize
AV02-4387EN 44 Avago TechnologiesInverter Design Using Gate Drive and Current Sense OptocouplersFigure 1. Isolation Circuits for Power Control – Sy
AV02-4387EN 45 Avago TechnologiesIsolated Current and Voltage Sens-ingAvago Technologies provides several analog isolation amplier prod-ucts for is
AV02-4387EN 46 Avago TechnologiesIPM Dead Time and Propagation Delay SpecicationsFigure 3. Propagation Delay and Dead Timeanalyzed in the same way)
AV02-4387EN 3 Avago TechnologiesCommon TermsExternal ClearanceThe shortest distance through air, between conductive input and output leads, measured
AV02-4387EN 47 Avago Technologies16151413121110912345678VIN+VIN–VCC1GND1RESETFAULTVLED1+VLED1–VEVLED2+DESATVCC2VCVOUTVEEVEEHIGH GATE-DRIVE(LOW GATE-
AV02-4387EN 48 Avago TechnologiesShunt Resistor Shunt Unit Price Tolerance Temp. Max. RMS Motor Power RangePart Number Resistance @ 2500 Qt
AV02-4387EN 49 Avago TechnologiesIsolated Integrated Gate Driver for IGBT/MOSFET Motor Control ApplicationsDescriptionThe HCPL-3120 drives the IGBTs
AV02-4387EN 50 Avago TechnologiesDual Channel Isolated Integrated Gate Driver for IGBT/MOSFETMotor Control ApplicationsDescriptionThe HCPL-314J driv
AV02-4387EN 51 Avago TechnologiesIsolated Gate Drive for IGBT/MOSFET with Integrated Desaturation Protection and Fault FeedbackMotor Control Applica
AV02-4387EN 52 Avago TechnologiesIsolated Interface for Intelligent Power Module Gate DriveMotor Control ApplicationsDescriptionThe HCPL-4506 provid
AV02-4387EN 53 Avago TechnologiesLow Cost Isolated Phase Current Sensing with Analog OutputMotor Control ApplicationsDescriptionThe HCPL-7840 Isolat
AV02-4387EN 54 Avago TechnologiesIsolated A/D Converter for Phase Current SensingMotor Control ApplicationsPerformance of Circuit• Resolutionduet
AV02-4387EN 55 Avago TechnologiesLow Cost Isolated Phase Current Sensing with Analog Output andOver Current DetectionMotor Control ApplicationsDesc
AV02-4387EN 56 Avago TechnologiesIsolated Inverter Rail Voltage Sensing using an Isolation AmplierMotor Control ApplicationsDescriptionThe HCPL-784
AV02-4387EN 4 Avago TechnologiesFigure 5. Illustration of VCM Common-Mode Pulse. Figure 6a. Interference Circuit Model.Circuit designers often encou
AV02-4387EN 57 Avago TechnologiesDescriptionThe HCPL-4562 Linear Optocoupler is used in a servo circuit to sense the rectied dc power supply voltag
AV02-4387EN 58 Avago TechnologiesLow Cost Isolation Amplier for Motor Speed and Position MeasurementMotor Control ApplicationsDescriptionThis is a
AV02-4387EN 59 Avago TechnologiesDescriptionThe HCPL-3700/60 Threshold-Sensing Optocoupler can be used for sensing the ac/dc power on/o condition.
AV02-4387EN 60 Avago TechnologiesDescriptionThe HCPL-0708 high-speed, opto-coupler isolates the low-voltage logic circuit from the high-voltage Flat
AV02-4387EN 61 Avago TechnologiesPower Supply ApplicationsDescriptionSwitching power supplies often need to couple digital and analog signals betwee
AV02-4387EN 62 Avago TechnologiesDescriptionThe above gure shows a push-pull switching power supply that uti-lizes the HCPL-2200 optocoupler to dri
AV02-4387EN 63 Avago TechnologiesOptical Isolation in a DC/DC ConverterAlternative Avago Parts1) HCPL-0600 High Speed Optocou-pler2) HCPL-2200 High
For product information and a complete list of distributors, please go to our web site: www.avagotech.comAvago, Avago Technologies, and the A logo are
AV02-4387EN 5 Avago TechnologiesCommon-Mode Transient RejectionFigure 6b. Interference Circuit Model.Referring to Figure 6a the para sitic distribut
AV02-4387EN 6 Avago TechnologiesFigure 8. Full-Bridge Power Switch Conguration.(A1, B1) is attached to the drain of a second set of transistors (A2
AV02-4387EN 7 Avago TechnologiesFigure 9. Half-Bridge Example.Figure 10. Half-Bridge Inverter Waveforms.High electrical noise levels can also contri
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