Avago-technologies ACPL-224-500E Manuel d'utilisateur

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Optocouplers
Designers Guide
How to Use This Guide
The table of contents lists all the applications by their
general description.
Data sheets for prod ucts recommended in this guide
can be found on the Avago Technologies’ web site at
www.avagotech.com/semiconductors, or they may be
ordered from your local Avago representative.
How to Order
To order any component in this guide or additional ap-
plications information, call your authorized Avago dis-
tributor nearest you.
Although product information and illustrations in this
guide were current at the time it was approved for print-
ing, Avago Technologies, in a continuing eort to oer
excellent products at a fair value, reserves the right to
change specications, designs, and models without
notice.
About This Designers Guide
Avago Technologies optocouplers can be used in an array
of isolation applications ranging from power supply and
motor control circuits to data communi cation and digital
logic interface circuits.
To help you choose and design with Avago Technologies
isolation components, this Designers Guide contains
popular application circuits and recom mended Avago
optocouplers.
This handbook contains sections discussing critical op-
tocoupler design parameters such as Insulation and
Withstand Voltage, Regulatory Agency Safety Standards,
Common-Mode Transient Rejection, Product Life and
light emitting diode (LED) aging. The rest of the guide
consists of application circuits.
Each application circuit is accompanied by:
1. A brief description.
2. Highlights of circuit performance.
3. Circuit benets.
4. A list of alternative Avago parts indicating compara-
bly per form ing products available in varying package
styles for maximum design exibility.
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Résumé du contenu

Page 1 - Optocouplers

OptocouplersDesigner’s GuideHow to Use This GuideThe table of contents lists all the applications by their general description.Data sheets for prod uc

Page 2 - Table of Contents

AV02-4387EN 8 Avago TechnologiesFigure 11. AC Equivalent Circuit for HCPL-261X.Common-Mode Transient RejectionCommon-mode noise can enter a system t

Page 3 - Design Considerations

AV02-4387EN 9 Avago TechnologiesDynamic CMRFigure 13. High voltage common mode noise spike hardly causes a ripple in the output of 10MBd digital opt

Page 4 - Insulation and Regulation

AV02-4387EN 10 Avago TechnologiesCalculate the LED Lifetime Performance in Optocouplers to Predict ReliabilityCalculate the LED Lifetime Performance

Page 5

AV02-4387EN 11 Avago TechnologiesCalculate the LED Lifetime Performance in Optocouplers to Predict Reliability Acceleration Factor Based on Black Mo

Page 6 - Introduction

AV02-4387EN 12 Avago TechnologiesCalculate the LED Lifetime Performance in Optocouplers to Predict Reliability The projected eld lifetime for the L

Page 7

AV02-4387EN 13 Avago TechnologiesHigh-reliability LEDs in Avago OptocouplersAs a further demonstration of the reliability and robustness of Avago LE

Page 8

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

Page 9

AV02-4387EN 14 Avago TechnologiesDigital Optoisolators:An OverviewFigure 1. Photodiode/Transistor OptoisolatorFigure 2. Split Darlington Transistor

Page 10

AV02-4387EN 15 Avago Technologies128765LED3SHIELDHCPL-2400HCPL-2430HCPL-2201HCPL-2230PHOTODIODE(PIN)2 R1VOUTVCCTOTEM POLEOUTPUT STAGEVINENABLECASCAD

Page 11 - Dynamic CMR

AV02-4387EN 16 Avago TechnologiesDigital Logic Interface/Level Shifting ApplicationsDescriptionThe circuit shown is an interface between two TTL gat

Page 12 - Current Transfer Ratio, CTR =

Table of ContentsDesign Considerations...

Page 13 - --- Equation (1)

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

Page 14

AV02-4387EN 18 Avago TechnologiesDescriptionA CMOS-to-CMOS interface is pos-sible with Avago opto-couplers. The above circuit shows an inter-face ci

Page 15

AV02-4387EN 19 Avago Technologies25 MBd CMOS InterfaceDescriptionUp to 25 MBd CMOS-to-CMOS inter-face is possible with the HCPL-7721 optocouplers. T

Page 16 - HCPL-2601/11

AV02-4387EN 20 Avago TechnologiesPerformance of Circuit• MinimumoptocouplerLEDturnon current: 0.5 mA (The HCPL-4701 optocoupler requires only 4

Page 17 - An Overview

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

Page 18

AV02-4387EN 22 Avago TechnologiesDescriptionThe above schematic shows a very simple RS-232C data communication isolation interface using a 6N139 op-

Page 19 - Alternative Avago Parts

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

Page 20

AV02-4387EN 24 Avago TechnologiesPerformance of Circuit• Typicaloptocouplersignalingrate: greater than 10 MBd• Typicaloptocouplerpropagation

Page 21

AV02-4387EN 25 Avago TechnologiesDescriptionDeviceNet, a factory oor com-munication network standard, sometimes may require connect ing devices to

Page 22 - 25 MBd CMOS Interface

AV02-4387EN 26 Avago TechnologiesData Communications ApplicationsDescriptionThe HCNR200/1 Analog Optocoup-ler isolates both the transmitter and rece

Page 23

AV02-4387EN 1 Avago TechnologiesInsulation and Regulation of Optically Coupled Isolation DevicesDesign ConsiderationsThe primary purpose of opto cou

Page 24 - Performance of Optocoupler

AV02-4387EN 27 Avago TechnologiesDescriptionThe above half-duplex, point-to-point, multi-drop, 20 mA current loop conguration can alternat ingly tr

Page 25 - Isolated RS-232C/E Interface

AV02-4387EN 28 Avago TechnologiesDescriptionThe above dierentially driven circuit can use up to eight 6N138 optocouplers at various receivers along

Page 26

AV02-4387EN 29 Avago TechnologiesDescriptionA balanced RS-422 line driver dier-entially drives a twisted pair line. Two HCPL-2300s provide balanced

Page 27 - Isolated RS-485 Bus Interface

AV02-4387EN 30 Avago TechnologiesDescriptionThis is a dierential receiver using a dual-channel HCPL-2630 Opto-coupler. The receiver circuit can han

Page 28 - Alternative Avago Parts:

AV02-4387EN 31 Avago TechnologiesDescriptionThe above circuit converts a single-ended signal to a split-phase signal with a 75159 Tri-State Line Dri

Page 29

AV02-4387EN 32 Avago TechnologiesDescriptionThe above illustration is an unbal-anced line receiver using the inte-grated voltage-clamp input opto-co

Page 30

AV02-4387EN 33 Avago TechnologiesDescriptionProbus (Process Fieldbus) is essen-tially a twisted wire pair serial link very similar to RS-485 or 422

Page 31 - Multidrop Line Receiver

AV02-4387EN 34 Avago TechnologiesDescriptionProbus (Process Fieldbus) is essen-tially a twisted wire pair serial link very similar to RS-485 or 422

Page 32

AV02-4387EN 35 Avago TechnologiesDescriptionThe 6N136 Low-Input Current Op-tocoupler is used to detect stand-ard telephone ring signals. At the opto

Page 33

AV02-4387EN 36 Avago TechnologiesDescriptionThe HCPL-4701 Low Power Opto-coupler is suitable for standard tel-ephone line interface functions such a

Page 34

AV02-4387EN 2 Avago TechnologiesCategory 1 Optocouplers Category 2 Optocouplers:Category 3 Optocouplers:Figure 3. Recommended Safe Operating Area fo

Page 35

AV02-4387EN 37 Avago TechnologiesAnalog Isolation ApplicationsFigure 1. HCNR-200/1 High Linearity Analog IsolatorIntroductionOptoisolators transfer

Page 36

AV02-4387EN 38 Avago TechnologiesHigh Speed Isolation AmplierDescriptionThis is a high-speed, low-cost isola-tion amplier for use in the feedback

Page 37

AV02-4387EN 39 Avago TechnologiesPrecision Isolation Amplier for Unipolar SignalsDescriptionThis circuit uses the HCNR200/1 High-Linearity Analog O

Page 38 - References

AV02-4387EN 40 Avago TechnologiesIsolation Amplier for Bipolar Signals - Circuit No. 1DescriptionThis circuit shows how the HCNR200 High Linearity

Page 39

AV02-4387EN 41 Avago TechnologiesIsolation Amplier for Bipolar Signals - Circuit No. 2DescriptionThis circuit shows how bipolar analog signals can

Page 40 - Analog Isolation Applications

AV02-4387EN 42 Avago TechnologiesAnalog ApplicationsDescriptionThis circuit with the HCPL-4562 Wideband Analog/Video Optocou-pler functions as an ac

Page 41 - Analog Applications

AV02-4387EN 43 Avago TechnologiesIsolated Video InterfaceDescriptionThis circuit, with the HCPL-4562 Wideband Analog/Video Optocou-pler, is optimize

Page 42

AV02-4387EN 44 Avago TechnologiesInverter Design Using Gate Drive and Current Sense OptocouplersFigure 1. Isolation Circuits for Power Control – Sy

Page 43

AV02-4387EN 45 Avago TechnologiesIsolated Current and Voltage Sens-ingAvago Technologies provides several analog isolation amplier prod-ucts for is

Page 44

AV02-4387EN 46 Avago TechnologiesIPM Dead Time and Propagation Delay SpecicationsFigure 3. Propagation Delay and Dead Timeanalyzed in the same way)

Page 45

AV02-4387EN 3 Avago TechnologiesCommon TermsExternal ClearanceThe shortest distance through air, between conductive input and output leads, measured

Page 46

AV02-4387EN 47 Avago Technologies16151413121110912345678VIN+VIN–VCC1GND1RESETFAULTVLED1+VLED1–VEVLED2+DESATVCC2VCVOUTVEEVEEHIGH GATE-DRIVE(LOW GATE-

Page 47 - System Overview

AV02-4387EN 48 Avago TechnologiesShunt Resistor Shunt Unit Price Tolerance Temp. Max. RMS Motor Power RangePart Number Resistance @ 2500 Qt

Page 48 - Motor Control Applications

AV02-4387EN 49 Avago TechnologiesIsolated Integrated Gate Driver for IGBT/MOSFET Motor Control ApplicationsDescriptionThe HCPL-3120 drives the IGBTs

Page 49

AV02-4387EN 50 Avago TechnologiesDual Channel Isolated Integrated Gate Driver for IGBT/MOSFETMotor Control ApplicationsDescriptionThe HCPL-314J driv

Page 50

AV02-4387EN 51 Avago TechnologiesIsolated Gate Drive for IGBT/MOSFET with Integrated Desaturation Protection and Fault FeedbackMotor Control Applica

Page 51

AV02-4387EN 52 Avago TechnologiesIsolated Interface for Intelligent Power Module Gate DriveMotor Control ApplicationsDescriptionThe HCPL-4506 provid

Page 52

AV02-4387EN 53 Avago TechnologiesLow Cost Isolated Phase Current Sensing with Analog OutputMotor Control ApplicationsDescriptionThe HCPL-7840 Isolat

Page 53

AV02-4387EN 54 Avago TechnologiesIsolated A/D Converter for Phase Current SensingMotor Control ApplicationsPerformance of Circuit• Resolutionduet

Page 54

AV02-4387EN 55 Avago TechnologiesLow Cost Isolated Phase Current Sensing with Analog Output andOver Current DetectionMotor Control ApplicationsDesc

Page 55

AV02-4387EN 56 Avago TechnologiesIsolated Inverter Rail Voltage Sensing using an Isolation AmplierMotor Control ApplicationsDescriptionThe HCPL-784

Page 56

AV02-4387EN 4 Avago TechnologiesFigure 5. Illustration of VCM Common-Mode Pulse. Figure 6a. Interference Circuit Model.Circuit designers often encou

Page 57

AV02-4387EN 57 Avago TechnologiesDescriptionThe HCPL-4562 Linear Optocoupler is used in a servo circuit to sense the rectied dc power supply voltag

Page 58

AV02-4387EN 58 Avago TechnologiesLow Cost Isolation Amplier for Motor Speed and Position MeasurementMotor Control ApplicationsDescriptionThis is a

Page 59

AV02-4387EN 59 Avago TechnologiesDescriptionThe HCPL-3700/60 Threshold-Sensing Optocoupler can be used for sensing the ac/dc power on/o condition.

Page 60

AV02-4387EN 60 Avago TechnologiesDescriptionThe HCPL-0708 high-speed, opto-coupler isolates the low-voltage logic circuit from the high-voltage Flat

Page 61

AV02-4387EN 61 Avago TechnologiesPower Supply ApplicationsDescriptionSwitching power supplies often need to couple digital and analog signals betwee

Page 62 - Industrial Applications

AV02-4387EN 62 Avago TechnologiesDescriptionThe above gure shows a push-pull switching power supply that uti-lizes the HCPL-2200 optocoupler to dri

Page 63

AV02-4387EN 63 Avago TechnologiesOptical Isolation in a DC/DC ConverterAlternative Avago Parts1) HCPL-0600 High Speed Optocou-pler2) HCPL-2200 High

Page 64 - Power Supply Applications

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

Page 65

AV02-4387EN 5 Avago TechnologiesCommon-Mode Transient RejectionFigure 6b. Interference Circuit Model.Referring to Figure 6a the para sitic distribut

Page 66

AV02-4387EN 6 Avago TechnologiesFigure 8. Full-Bridge Power Switch Conguration.(A1, B1) is attached to the drain of a second set of transistors (A2

Page 67 - Application Notes

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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