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1、TEA1836 Training for distributors Richard Wang Application Design Center ADC Taipei PL Power Solutions BL PLS BU Industrial 0 0626 Ln Pno 0 622 1 W to 51 W 0 0626 Ln Pno 0 622 51 W 0 870 COMPANY CONFIDENTIAL November 13 2012 7 TEA1755 ADC ALAN TANG 3 EC code of conduct Rated Output Power Pno No load
2、 power consumption 2014 Jan 12016 Jan 1 0 3 W and 0 3 W and 49 W and 250 W0 250 W0 150 W Mobile handheld battery driven and 8 W 0 075 W0 075 W Table 2 1 Energy Efficiency Criteria for Active Mode Rated Output Power Pno Minimum Four Point Average Efficiency in Active Mode Minimum Average Efficiency i
3、n Active Mode at 10 load of full rated output current 2014 Jan 12016 Jan 12014 Jan 12016 Jan 1 gyy excluding Low Voltage external power supplies no 0 W 1 0 50 Pno 0 145 0 50 Pno 0 160 0 50 Pno 0 045 0 50 Pno 0 060 1 W 49 0 0626 ln Pno 0 645 0 071 ln Pno 0 0014 Pno 0 670 0 0626 ln Pno 0 545 0 071 ln
4、Pno 0 0014 Pno 0 570 49 W 250 0 890 0 890 0 790 0 790 Rated Output Power Minimum Four Point Average Efficiency in Active Mode Minimum Average Efficiency in Active Mode at 10 load of full rated output current Table 2 2 Energy Efficiency Criteria for Active Mode for Low Voltage external power supplies
5、 Pno 2014 Jan 12016 Jan 12014 Jan 12016 Jan 1 0 W 1 0 50 Pno 0 085 0 517 Pno 0 087 0 50 Pno 0 517 Pno 1 W 49 0 0755 ln Pno 0 585 0 0834 ln Pno 0 0014 Pno 0 609 0 0755 ln Pno 0 485 0 0834 ln Pno 0 0014 Pno 0 509 49 W 250 0 880 0 880 0 780 0 780 COMPANY CONFIDENTIAL November 13 2012 8 TEA1755 ADC ALAN
6、 TANG Summary of regulations 200820092010201120122013201420152016 EC code of conduct Pno87 Pno89 Eff 10 79 Pno89 Eff 10 79 EC ErP Lot 6 Standby and Off mode EC 1275 2008 Lot 7 External Power Supplies EC 278 2009 Pno87 1275 2008 Department of Energy Pno88 California Energy US Energy Independence and
7、Security Act 2007 Energy Commission Security Act 2007 replaced all US state external power supply standards ENERGY STAR US Energy Star 5 0 Pno87 The ENERGY STAR specification for EPS and End Use Products Using External Power Supplies EUP were sunset on December 31 2010 Bureau of Energy Efficiency fo
8、llow Energy Star 5 0 Pno87 China Standard Certification Center follow Energy Star 5 0 Pno87 2013 DoE 2014 CoC Avg Eff 89 Pno89 Pno87 Pno88 Pno 0 21w COMPANY CONFIDENTIAL November 13 2012 9 TEA1755 ADC ALAN TANG Topology GreenChip SR TEA1792TS Controller GreenChip 3 5 TEA1755 Controller GreenChip SC
9、TEA1703TS Controller Key Components Primary Side Primary Side GreenChip 3 5 SMPS Control IC TEA1755T PFC Diode NUR360 NUR460 BYV29X 500 BYV29X 600 Secondary Side Secondary Side GreenChip Synchronous Rectifier Controller TEA1792TS GreenChip Standby Controller TEA1703TS MOSFETs PSMN7R0 100PS PSMN7R8 1
10、20XS COMPANY CONFIDENTIAL November 13 2012 10 TEA1755 ADC ALAN TANG Key features Introduction of IC TEA1755 KFtTEA1755 Key Features General features Integrated PFC and flyback controller Dual boost PFC with accurate maximum output voltage NXP patented Dual boost PFC with accurate maximum output volt
11、age NXP patented Adjustable PFC switch off delay External overrule of PFC turn on and turn off Mains voltage independent OverPower Protection OPP Accurate OverVoltage Protection OVP for both converters adjustable for flyback converter General purpose input for latched protection e g to be used for s
12、ystem Over Temperature Protection OTP Temperature Protection OTP PFC green features Valley zero voltage switching for minimum switching losses NXP patented Fliit titdit hil Frequency limitation to reduce switching losses PFC is switched off when a low load is detected at the flyback output Flyback g
13、reen features V lli hifi ii hil NXPd Valley switching for minimum switching losses NXP patented Frequency reduction with adjustable minimum peak current at low power operation to maintain high efficiency at low output power levels Burst mode operation at low power levels for high efficiency operatio
14、n COMPANY CONFIDENTIAL November 13 2012 11 Burst mode operation at low power levels for high efficiency operation TEA1755 ADC ALAN TANG Pin assignment Multi Multi Chip Module Technology Chip Module Technology BCD800 BCD800 PFCTIMER BCD800 BCD800 High voltage start up and valley detection ABCD3 ABCD3
15、 Low voltage control part FBSENSE control part TEA1755TEA1755 COMPANY CONFIDENTIAL November 13 2012 12 TEA1755 ADC ALAN TANG GreenChipTMIII V Block Diagram PFC part Flyback part System part Control Protection COMPANY CONFIDENTIAL 13 TEA1755 ADC ALAN TANG November 13 2012 Achievement 115v 60Hz CEC Ef
16、ficiency Measurements Efficiency U U T 19 5V 90W demo adaptor with following critical parts Primary VoIoPoPiEff 19 591 1622 6224 6991 63 19 572 3345 5049 5191 91 19 553 4868 0573 9592 02 TEA1755 NXP GreenChip 3 5 Flyback Transformer PQ 3220 Np Ns Npa Nsa 32 6 7 5 Lp 450 H PFC Choke RM 10 Np Ns 40 2 Lp 250 H Flyback Mosfet TK10A60D Toshiba 19 553 4868 0573 9592 02 19 544 6590 8699 6491 18 Avg 91 69 230v 50Hz Flyback Mosfet TK10A60D Toshiba PFC Mosfet TK12A50D Toshiba Bridge diode GBU806 Bulk el c
