AL1663-Flyback-30V650mA User Guide 85v 265VAC Evaluation
AL1663-Flyback-30V650mA User Guide85v 265VAC EvaluationGeneral DescriptionThis demonstration board utilizes theAL1663 Flyback LED driver-controllerproviding a cost effective solution for highbrightness LED applications. This userfriendly evaluation board provides userswith quick connection to their differenttypes of LEDs string. The demonstrationboard can also support pwm dimmingmode.It works at PWM dimming modewhen a digital signal is applied on APWMpin.A bill of materials is included that describesthe parts used on this demonstration board.A schematic have also been included alongwith measured performance characteristics.These materials can be used as a referencedesign for your products improving yourproduct’s time to market.Key Features Active PFC with power factor 0.9High efficiency 84%Low THDPWM dimming modeApplications LED LightingPWM dimmingAL1663July, 2015www.diodes.comAL1663 Flyback SpecificationsParameterValueAC Input VoltageOutput PowerLED CurrentLED VoltagePower FactorEfficiencyXYZ DimensionROHS Compliance230V/120V19.5W650mA30V 0.984%95 x 30 x 25mmYesEvaluation BoardFigure 1: Top ViewFigure 2: Bottom ViewConnection Instructions:AC Input: AC LAC- Input: AC NDC LED Output: LED DC LED- Output: LEDDimming Signal Input: APWM and PWMInputGND: GNDPage 1 of 12
AL1663-Flyback-30V650mA User Guide85v 265VAC EvaluationBoard LayoutsFigure 3: PCB Layout Top ViewFigure 4: PCB Layout Bottom ViewQuick Start Guide1.2.3.4.5.6.7.8.Preset the isolated AC source to 230VAC.Ensure that the AC source is switched OFF or disconnected.Connect the anode wire of the LED string to the LED of the evaluation board.Connect the cathode wire of the LED string to the LED- terminal of the evaluationboard.Connect two AC line wires to the AC L and AC N terminals on the evaluation board.Connect your digital signal wire to the pwm input terminal if you wanna make theevaluation board work at pwm dimming mode.Ensure that the area around the board is clear and safe, and preferably that theboard and LEDs are enclosed in a transparent safety cover.Turn on the main switch. LED string should light up.DO NOT TOUCH THE BOARD, LEDs OR BARE WIRING.Caution: This AL1663 evaluation board is a non-isolated design. Allterminals carry high voltage during operation!AL1663July, 2015www.diodes.comPage 2 of 12
AL1663-Flyback-30V650mA User Guide85v 265VAC EvaluationSchematicFigure 5: Schematic CircuitTransformer DesignBobbin and Core Bobbin: PQ2620, 6 8Pin Core：PC40Transformer parameters1. Primary Inductance (Pin6-Pin1, all other windings open)：Lp 0.75mH, 5%@1kHz2. Primary Winding Turns (Pin6-Pin1): NP 95Ts3. Secondary Winding Turns(Pin13-Pin8):NS 31Ts4. Auxiliary Winding Turns (Pin3-Pin5): NA 20TsTransformer Winding Construction DiagramAL1663July, 2016www.diodes.com131WD4: Primary0.29mm *1, 60Ts2WD1: Primary0.29mm*1, 35TsPage 3 of 12WD3: Secondary0.5mmTRW*1,31Ts8
AL1663-Flyback-30V650mA User Guide85v 265VAC EvaluationWdgNumWinding nameDescription1WD1 primary windingStart from Pin6，Φ0.29mm*1，35Ts，one layer，end at pin2.2Insulation tape1layer insulation tape3WD2 shielding windingStart from Pin5，Φ0.13mm*1，full one layer，end with floating.4Insulation tape1layer insulation tape5WD3 secondary windingStart from Pin13，tripleinsulation wireΦ0.5mm*1, 31Ts,3 layers, end at Pin8.6Insulation tape2layer insulation tape7WD4 primary windingStart from Pin2，Φ0.29mm*1,60Ts, 2 layers，end at Pin1.8Insulation tape2 layer insulation tape9WD5 auxiliary windingStart from Pin3，Φ0.15mm*1，20Ts，1 layer，end at Pin5.10Insulation tape1 layer Insulation tapeBill of MaterialAL1663July, 2016www.diodes.comPage 4 of 12
AL1663-Flyback-30V650mA User Guide85v 265VAC Evaluation#ItemQuantityPackage1CX11DIPX-Cap, 47nF/275VAC, Pitch 10mm2C11DIP220nF/400V, CL21, Pitch 10mm3C21DIP220nF/400V, CL21, Pitch 10mm4C310805Ceramic Cap, 1uF/16V,X7R5C51DIPE-Cap, 130 ,4.7uF/50V,5*9mm6C610805Ceramic Cap, 0.1uF/50V,X7R7C711206Ceramic Cap, 2.2nF/1KV,X7R8C4,C809C9,C102DIPE-Cap, 130 ,470uF/50V,10*20mm10CY11DIPY-Cap, 2.2nF/250VAC, 10mm11BD11SOPA-4Rectifier Bridge,DB107S,1A/1KV12D11SOD-123Diode, 1N4007,1A/1KV13D21SMADiode, 1N4007,1A/1KV14D3,D42SMBSchottky, SS3200, 3A/200V15D71SOD-12316VR11DIPVaristor, 07D43117F11DIPFuse,1A/250V18R111206SMD Resistor,5.1K, 5%, 1/4W19R2,R321206SMD Resistor,300K, 5%, 1/4W20R411206SMD Resistor,100K, 5%, 1/4W21R511206SMD Resistor,100R, 5%, 1/4W22R610805SMD Resistor,1K, 5%, 1/4W23R711206SMD Resistor,75K, 5%, 1/4W24R811206SMD Resistor,3.6K, 5%, 1/4W25R910805SMD Resistor, 10R, 5%, 1/4W26R1010805SMD Resistor, 3K, 5%, 1/4W27R1111206SMD Resistor, 1.3R, 1%, 1/4W28R1211206SMD Resistor, 1.5R, 1%, 1/4W29R13,R14,R15,R18030R16,R1721206SMD Resistor,330K, 5%, 1/4W31R1911206SMD Resistor,68K, 5%, 1/4W32R2011206SMD Resistor,2M, 5%, 1/4W33L11DIPInductor 4.7mH, 10*12mm34Lm11DIPCommon Inductor, 1663July, 2016www.diodes.comDescriptionNCSwitching Diode, 1N4148NCMosfet, 5N65, 5A/650VPage 5 of 12
AL1663-Flyback-30V650mA User Guide85v 265VAC Evaluation37U1138PCB39SOIC-8AL1663, high PFC ControllerFR4 Double layer, 95*31mmFunctional 40160180Vin(AC)Functional WaveformAL1663July, 2016www.diodes.comPage 6 of 12
AL1663-Flyback-30V650mA User Guide85v 265VAC EvaluationWaveforms:Input Voltage & Input CurrentInput Voltage & Input CurrentVin 120VVin 230VInput Voltage Input CurrentInput Voltage Input CurrentOutput Voltage & Output CurrentOutput Voltage & Output CurrentVin 120VVin 230VOutput Voltage Output CurrentOutput Voltage Output CurrentAL1663July, 2015www.diodes.comPage 7 of 12
AL1663-Flyback-30V650mA User Guide85v 265VAC EvaluationStartup OvershootStartup OvershootVin 120VAC (No overshoot current)Vin 230VAC (No overshoot current)Input Voltage Output CurrentInput Voltage Output CurrentStartup timeCS Vcs WaveformVin 120VAC Start time 482msVin 120VAC VRRM MAX 1.08VInput Voltage Output CurrentOutput VcsCS Vcs WaveformDrain VDrain WaveformAL1663July, 2016www.diodes.comPage 8 of 12
AL1663-Flyback-30V650mA User Guide85v 265VAC EvaluationVin 230VAC VRRM MAX 910mVVin 120VAC Frequency 55kHzOutput VcsOutput VDrainDrain WaveformGate Vgate WaveformVin 230VAC Frequency 80kHzVin 120VAC Vgate 14.3VOutput VDrainOutput Diode VcsPWM Dimming Functional PerformanceAL1663July, 2016www.diodes.comPage 9 of 12
AL1663-Flyback-30V650mA User Guide85v 265VAC EvaluationPWM Frequency:1kHzPWM Frequency:1.01kHzVin 120VVin 230VVin 230VacVin 020010010000020406080100APWM Duty(%)020406080100APWM Duty(%)PWM Dimming Functional WaveformWaveforms:Drain VDrain & Output CurrentDrain VDrain & Output CurrentPWM duty 50%PWM duty 10%Output VDrain Output CurrentOutput VDrain Output CurrentEMI Conduction TestAL1663July, 2016www.diodes.comPage 10 of 12
AL1663-Flyback-30V650mA User Guide85v 265VAC EvaluationLine TerminalNeutral TerminalVin 230VAC/50Hz LIMIT CHECK PASSVin 230VAC/50Hz LIMIT CHECK PASSAtt 10 dB AUTOFREQUENCYLEVEL AVRBW9 kHzMT1 sPREAMP OFFAtt 10 dB AUTOFREQUENCYLEVEL QPK26.4975442 MHz31.52dBµVRBW9 kHzMT1 sPREAMP OFF27.0301449 060706DB6DBdBµV1 PKCLRWR1 MHz80dBµV10 MHzLIMIT CHECK70EN55022Q60EN55022A50PASSSGL1 PKCLRWR402 AVCLRWR1 MHz8010 MHzLIMIT CHECK70EN55022Q60EN55022A50PASSSGL40TDF302 AVCLRWR20TDF3020106DB0106DB0150 kHzDate: 6.MAY.201530 MHz15:56:14150 kHzDate: 6.MAY.201530 MHz16:00:13Line TerminalNeutral TerminalVin 230VAC/50Hz Margin 7dBVin 230VAC/50Hz Margin 8dBAL1663July, 2016www.diodes.comPage 11 of 12
AL1663-Flyback-30V650mA User Guide85v 265VAC EvaluationIMPORTANT NOTICEDIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THISDOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR APARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or otherchanges without further notice to this document and any product described herein. Diodes Incorporated does not assume anyliability arising out of the application or use of this document or any product described herein; neither does Diodes Incorporatedconvey any license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or productsdescribed herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all thecompanies whose products are represented on Diodes Incorporated website, harmless against all damages.Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorizedsales channel.Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shallindemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney feesarising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorizedapplication.Products described herein may be covered by one or more United States, international or foreign patents pending. Product namesand markings noted herein may also be covered by one or more United States, international or foreign trademarks.LIFE SUPPORTDiodes Incorporated products are specifically not authorized for use as critical components in life support devices or systemswithout the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:A. Life support devices or systems are devices or systems which:1. are intended to implant into the body, or2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use providedin the labeling can be reasonably expected to result in significant injury to the user.B.A critical component is any component in a life support device or system whose failure to perform can be reasonably expectedto cause the failure of the life support device or to affect its safety or effectiveness.Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices orsystems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirementsconcerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems,notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further,Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of DiodesIncorporated products in such safety-critical, life support devices or systems.Copyright 2013, Diodes Incorporatedwww.diodes.comAL1663July, 2016www.diodes.comPage 12 of 12
AL1663-Flyback-30V650mA User Guide 85v 265VAC Evaluation AL1663 Page 3 of 12 July, 2016 www.diodes.com Schematic Figure 5: Schematic Circuit Transformer Design Bobbin and Core Bobbin: PQ2620, 6 8Pin Core：PC40
A representative flyback converter can be seen in Figure 3. Figure 3. A Simplified Schematic of a Flyback Converter CONTROL Vin T Q Ipri Vout D The power switch essentially places the primary inductance of the flyback transformer across the input voltage source when it is turned
winding and then decays back down in the secondary winding during the flyback interval. Thus, when designing the flyback transformer and assessing the losses, you must consider it more of an inductor than a transformer. Flyback operation Figure 2 shows the different operating phases of the fly
Analysis and Design of Multioutput Flyback Converter A study For A Lab Upgrade on the Flyback converter assignment at Chalmers Elteknik Master's thesis in Electric Power Engineering . The result of the transformer design shows that a new assignment that can demonstrate how magnetic core behaves can be introduced. Keywords: Flyback, Multi .
This document describes the hardware shown in Figure 1. It provides a detailed systematic technical guide to design-ing an isolated no-opto flyback DC-DC converter using Maxim's MAX17690 controller. The power supply has been built and tested. Figure 1. MAXREFDES1100 hardware. The Isolated No-Opto Flyback Converter
stage directly. Compared to a buck converter, the flyback converter may be the better choice. Figure 4 shows the typical circuit of a flyback converter. Figure 4. Flyback converter The auxiliary winding can be added to the transformer (T1) to provide bias for Q1. Unlike the buck converter, T1 provides isolation between Vin and Vout.
flyback converter are provided in Table I. Converter design and analysis In this section the high voltage bi-directional DC-DC converter, shown in Fig. 1 is discussed. High voltage unidirectional flyback converter for a normal resistive load is analyzed in [12] without considering all para
Isolated Flyback Converter The LT 3511 is a high voltage monolithic switching regula-tor specifically designed for the isolated flyback topology. No third winding or opto-isolator is required for regula-tion as the part senses output voltage directly from
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