myPOWER Online Design1 Prepared by: Dan Barsell Design Services Applications Engineer myPOWER Online...

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Prepared by:Dan Barsell

Design Services Applications Engineer

myPOWERmyPOWER Online DesignOnline DesignMOSFET selector tool & losses calculatorsMOSFET selector tool & losses calculators

andandWebWeb--Enabled Spice Circuit Simulations Enabled Spice Circuit Simulations

http://mypower.irf.comhttp://mypower.irf.com

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How do I log onto the How do I log onto the myPOWERmyPOWER WEB site?WEB site?

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Website: http://mypower.irf.com

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Welcome to MyPower Online Design CenterWelcome to MyPower Online Design CenterGetting StartedGetting Started……..Website: http://mypower.irf.com

3 Primary Sections:3 Primary Sections:1. Power Factor

Correction – features the IR1150 uPFC

2. MOSFET selector & losses calculator Tools – Helps Engineers select MOSFETs by calculating power losses

3. iPOWIR online Simulation tools –features the ultra-fast & accurate iPOWIR web sim along with tech advice/support

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MyPower MyPower µPFC design tool

µPFC design toolhelps engineers design helps engineers design power factor correction power factor correction front ends to meet agency front ends to meet agency requirementsrequirements

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IR1150 µPFC design tool

•Enter Input & Output Operating Conditions

•Click on Calculate

•See results Here

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MyPower MOSFET selection toolsMyPower MOSFET selection tools

MOSFET Selector tools helps engineers decide helps engineers decide which devices to use by which devices to use by calculating power losses, calculating power losses, junction temperatures and junction temperatures and efficiencyefficiency

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MOSFET selectors MOSFET selectors helps engineers decide which devices to usehelps engineers decide which devices to use

Enter operating conditions here

Click mouse here to see

recommendations

Available for Full Bridge, Half Bridge, Forward and Sync-Buck converters

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Results can be sorted by rated voltage, rated current,

power loss, junction temperature, efficiency,

package or price!

Results page Results page ––

Details of power losses can be found by clicking here

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Detailed losses pageDetailed losses page

•MOSFET parameters•Losses in passives•Circuit Efficiency•Junction temperatures•FET switching losses•FET conduction losses•Choose your FET pair and re-calculate!•Input/Output parameters

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MyPower MOSFET Parameters SpreadsheetMyPower MOSFET Parameters Spreadsheet

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MyPower MyPower –– iPOWIR Web Simulation toolsiPOWIR Web Simulation tools

iPOWIR Simulation tools helps engineers evaluate helps engineers evaluate iPOWIR devices in Sync iPOWIR devices in Sync Buck converter applicationsBuck converter applications

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A. Input Operating Conditions: Vin, Vout, Iload, Frequency

B. Run Simulation Analysis: AC Analysis, Transient Steady State, Transient Step Input, and/or Transient-Step Load

C. Modify Quantity and Types of Passive Components or Enter Custom Values AND rerun simulation

MyPower MyPower –– iPOWIR Web SimulationiPOWIR Web Simulation

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BA

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MyPower MyPower –– Now with Type 3 feedback compensationNow with Type 3 feedback compensation

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Enter operating ConditionsEnter operating Conditions

IRDCiP2001IRDCiP2001--BB

Iload = 40.1-60A

3 Phase

Iload = 60.1-80A

4 Phase

IRDCiP2001IRDCiP2001--AA

Iload = 20-40A

2 phase

IRDCiP2001IRDCiP2001--CC

ALimits of Input Parameters:

Iload: 1 - 80A

Phases: 1 - 4

Vin: 3 - 14.4 Volts

Vout: 0.8 - 3.3V

Freq: 200 - 1000 KHz

Rin: 1 - 20 mOhms

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Waveform Simulation AnalysisWaveform Simulation AnalysisAC Analysis (Bode Plot)Function: Exhibits control loop stability - phase and gain

Transient-Steady StateFunction: Transient analysis of the switch node voltage, inductor current, and 5 other current/voltage waveforms

ALL WAVEFORMS ARE SIMULATED IN ~2 SECONDS WITH ACCURACY OF +/ALL WAVEFORMS ARE SIMULATED IN ~2 SECONDS WITH ACCURACY OF +/--5%!!!5%!!!

B

16ALL WAVEFORMS ARE SIMULATED IN ~2 SECONDS WITH ACCURACY OF +/ALL WAVEFORMS ARE SIMULATED IN ~2 SECONDS WITH ACCURACY OF +/--5%!!!5%!!!

Transient-Step LoadFunction: Displays output voltage response to output load current change

Transient-Step InputFunction: Displays output voltage response to input voltage change

Waveform Simulation Analysis (conWaveform Simulation Analysis (con’’t)t)B

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CustomizationCustomization

Modify Type & Qty of Passive Components:•Input Capacitor Value & ESR (ie.C1)

•Output Capacitor Value & ESR (ie. C2, C3)

•Output Inductor Value (ie. L1, L2)

•All feedback compensation components

Dimensions of Design Optimization:•Cost

•Efficiency

•Size

•Faster Transient Response

•Output Ripple

Supplied by IR along with demo board NOT supplied by IR with demo board

* Guidance provided in the “Technical Support/Advice”section of the Electrical webpage & “Help Guide”

C

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Contact InformationContact Information

310-252-7968csmith1@irf.comCarl SmithVolume Pricing

310-726-8079dbarsel1@irf.comDan BarsellTechnical Support

310-252-7968csmith1@irf.comCarl SmithiPower Samples

PhoneEmailContactFor:

Website: http://mypower.irf.com/