TI电源管理指南

3Q2008ۉᇸ࠶૙ኸళۉᇸ࠶૙ኸళڤዝᅏഗ3Q20082ۉᇸ࠶૙ኸళణ୤ڤዝᅏഗ(TI)ᆛᆶྜԢڦۉᇸ঴ਦݛӄᅜतඇဣଚڦߛႠీׂ೗DŽഄׂ೗ࡥ߃କٗՔጚ၍ႠICڟഴ෇๕तणׯڦۉᇸ঴ਦݛӄڦݔྷˈۼ๟ྺକᆌܔ౞ยऺฉڦ཈቟ܸଉวۨፔڦDŽཞ้ˈཚࡗ༵ࠃമᄂڦኧ׼߾ਏˈዮසಢჟǃܠዖ੗჋ڦೠࠚӱ(EVM)ǃᆌᆩ๮֩ǃඇ௬ڦरຍ࿔ڗڪˈTIॽ๑ยऺ߾ፕ߸ྺ०ڇDŽTI࣏༵ࠃକᄣೌժথ๴ၭଉ۩ڇ˄ཚࡗTI๲඄ڦݴၨฆ੗ํ၄24ၭ้ా݀ऋ˅ˈᅜे໏౞ڦׂ೗௬๨৊ײDŽཚࡗُ֩ኸళˈ౞੗ᅜቴڟ၎ᆌڦยऺᄲ໎ǃ༬෥ׂ೗ǃׂ೗ፇࢇ཮঴ᅜत֖ຕ՗DŽۆ႙ۉᇸᆌᆩ3၍ୟࠃۉतՍၻ๕ۉᇸ঴ਦݛӄ3AC/DCत߰૗DC/DC঴ਦݛӄ4DM355ت૙ഗۉᇸ঴ਦݛӄ5OMAP35xت૙ഗۉᇸ঴ਦݛӄ6FPGAतCPLDۉᇸ঴ਦݛӄ7ዷۯጺ၍(Active-Bus)ዕ܋঴ਦݛӄ9ຕጴۉᇸ੦዆঴ਦݛӄ10०঻10ຕጴۉᇸ11AC/DCतDC/DCۉᇸׂ೗10ࠀ୲ᅺຕႪኟ(PFC)13ஞ੻ۙ዆(PWM)ۉᇸ੦዆ഗ15MOSFETൻۯഗ22ഴ෇๕ۉᇸఇ੷24၍Ⴀ࿘უഗ27၍Ⴀतگუই(LDO)࿘უഗ27ݥ߰૗ਸ࠲DC/DC࿘უഗ30DC/DC੦዆ഗ˄ྔዃਸ࠲˅30DC/DCገ࣑ഗ˄णׯਸ࠲˅32࿮ۉߌDC/DC࿘უഗ˄؊ۉԭ˅37༬ۨᆌᆩڦܠ๼؜঴ਦݛӄ39ቷ௽त၂๖঴ਦݛӄ42ڇӣ࠼LEDԝ࠼ǃٷۉୁLEDतLED෻࠼ڨൻۯഗ42LEDൻۯഗ43၎ऐ෻࠼ڨۉඹ؊ۉഗतᩥ෻࠼ڨൻۯഗ44ۉ׾࠶૙ׂ೗45؊ۉഗമ܋ԍࢺ45ۉ׾؊ۉ࠶૙45ۉ׾ۉଉऺ47ᯜ૗ጱۉ׾ԍࢺ49ۉ׾तྔยණኤ50ඤ֭Ӛतۉᇸݴದ50ᅜ໿ྪࠃۉ50ඤ֭Ӛۉᇸ࠶૙52USBยԢ54PCMCIAยԢ55ۉᇸܠୟްᆩഗतExpressCard™ۉᇸਸ࠲56USB၌ୁਸ࠲57॔੦ۉୟDŽۉუ॔੦DžतْႾഗ58ۉუएጚ61כሜपۉᇸ࠶૙ׂ೗63ጨᇸ69ยऺኧ׼69ހጎ71ഗॲ໭ᆅ73TIඇ൰रຍኧ׼75ۉᇸ࠶૙ኸళڤዝᅏഗ3Q20083–+'63DSPμC঍ୁ၍ୟࠀ୲ᅺ໎ႪኟईAC/DC˄ڼ13ᄻ˅PWM੦዆ഗ˄ڼ15ᄻ˅MOSFETൻۯഗ˄ڼ22ᄻ˅ඤ֭Ӛतᅜ໿ྪࠃۉ˄ڼ50ᄻ˅ݥ߰૗ഴ෇๕ఇ੷˄ڼ24ᄻ˅ۉᇸਸ࠲USBExpressCard™PCMCIAUSBྔย˄ڼ54ᄻ˅ڹӱ48Vई24V኱ୁ๼෇48-V߰૗ഴ෇๕ఇ੷ڼ24ᄻUCD90808ཚڢۉᇸْႾഗ(ڼ59ᄻ)DC/DC੦዆ഗDC/DCገ࣑ഗگუֶ(lowDropout)࿘უഗ(ڼ27ᄻ)(ڼ32ᄻ)(ڼ30ᄻ)ۉᇸۉუ॔੦(ڼ58ᄻ)DSP/μCᆘಎൻۯഗဣཥۉუా٪ᅼೕۉᇸሯำ௺ߌڦRFۉୟօ৊DC/DCገ࣑ഗ(ڼ32ᄻ)࿮ۉߌDC/DC࿘უഗDŽ؊ۉԭDž(ڼ37ᄻ)༬ۨᆌᆩܠ๼؜঴ਦݛӄ(ڼ39ᄻ)၎ऐ෻࠼ڨۉඹႠ؊ۉഗ(ڼ44ᄻ)ڇӣ࠼LEDൻۯഗ(ڼ42ᄻ)LCDೋუ঴ਦݛӄ(ڼ40ᄻ)၍Ⴀ࿘უഗ(ڼ27ᄻ)օইDC/DCገ࣑ഗ(ڼ32ᄻ)ۉ׾࠶૙DC๼෇؊ۉഗമ܋ԍࢺ(ڼ45ᄻ)USB؊ۉۉ׾ۉ׾ۉଉऺ(ڼ47ᄻ)ᯜۉ׾ԍࢺतۉ׾ණኤ(ڼ49ǃ50ᄻ)ۉ׾؊ۉഗ࠶૙(ڼ45ᄻ)॔੦ۉୟDŽۉუ॔੦Dž(ڼ58ᄻ)I2CResetဣཥۉუ၎ऐ෻࠼ڨLEDቷ௽LCD֒෥၂๖ഗా٪ۆ႙ۉᇸᆌᆩ၍ୟࠃۉ঴ਦݛӄՍၻ๕ۉᇸ঴ਦݛӄۉᇸ࠶૙ኸళڤዝᅏഗ3Q20084ۆ႙ۉᇸᆌᆩAC/DC঴ਦݛӄ߰૗DC/DC঴ਦݛӄIntermediateBusConverterUCC28230UCC28231PFCUCC28060UCC28070UCC28019APFC+PWMUCC28019UCC38050/51UCC3817A/18AUCC3819AUC3854/A/BUC3855A/BUCC38500-3UCC28510-7UCC28521/28p3AUCC27200UCC27201p2Ap4Ap9ATPS2811-15TPS2816-19TPS2828-29UCC37323/4/5UCC27423/4/5UCD7201UCD7100UCC37321/2ShuntRegulatorsTL431/ATLV431/ATL1431UC39431/2PWMLDOsUCC2540UCC3583TPS7xxxUC382/385PWMDriversUC3849UCC3839TPS2811-15TPS28225TPS28226TPS2829-29UCC27423/4/5UCC37321/2UCC37323/4/5UCD7100UCD7201PWM(Forward,Flyback)PWM(Half-Bridge,Full-Bridge,Push-Pull)UCC28220/1UCC28600UCC2891/2/3/4/7UCC35701/2UCC35705/6UCC3800-5UCC3809UCC3813-xUCC38C40-45UCC3895UCC38083-6UCC3806UCC3808/AUC3825/AUC28025UCD8220/8620PrimarySideStartupUCC3960/61IntermediateBusConverterUCC28230/31AC၍ୟǖ85዁265VACঢ়ኝୁڦAC385዁400Vሺუ኱ୁ๼؜ጺ၍ۉუ3.3዁48Vࠀ୲ᅺ໎Ⴊኟႎׂ೗ᅜࢤ෥Ք௽୴෥ఇ๕PWM੦዆ഗMOSFETൻۯഗٗ֨੦዆ࢫၠ࿘უ(PostRegulation)˄ڼ13ᄻ˅˄ڼ15ᄻ˅˄ڼ22ᄻ˅˄ڼ15ǃ22ᄻ˅˄ڼ15ǃ27ᄻ˅ݒઍ˄ڼ61ᄻ˅߰૗ۉᇸ࠶૙ኸళڤዝᅏഗ3Q20085ۆ႙ۉᇸᆌᆩت૙ഗۉᇸ঴ਦݛӄڤዝᅏഗڦۉᇸ࠶૙ׂ೗੗ྺ౞ڦDSPǃFPGAईඪᅪഄ໱ت૙ഗ༵ࠃፌᆫࣅڦࠃۉDŽ࿮ஃ౞ॽظॺڦ๟ۉ׾ࠃۉڦ๮׼ยԢ࣏๟ߛࠀ୲ڦ࿮၍एበˈ౞ۼీቴڟ੗஢ፁُૌᆌᆩዐڦت૙ഗڦჹ੏Ⴔ൱ڦۉᇸ঴ਦݛӄDŽᅜူຕᄻڦยऺ཮तݛ઀཮ܔณຕُૌ঴ਦݛӄ৊ႜକዘۅຫ௽DŽߛࠀၳ൐বู੣क़(Space-Efficient)ڦDM355֖੊ยऺ2.0Vto5.5VU1TPS62240DDCU2TPS3803-01DCKU3TPS72118DBVVINVOUT1VOUT2VOUT3/RESET20-msDelay11VINVIN5-μsDelay1.3V,210mA1.8V,30mA3.3V,95mA15L12.2μHL22.2μH23GNDENABLEC110μFC210μFC333pFC410μFC510μFC610μFC810μFC910μFD1BAT54CR15k
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1523415234U4TPS63001DRCVINC710μF45876213109U5TPS3808G33DBV653142SWFBVIGNDENSNS/NCVDDNCGNDRSTOUTNR/FBINGNDENPwPdL1VINVINASync/PSENL2VOUTPGNDFBGNDVDDSNSMRRSTCTGND4C4C3C2C1Enable(2V/div)V=1.3V(1V/div)OUTV=1.8V(1V/div)OUTV=3.3V(1V/div)OUTTimebase=500μs/divۆ႙ഔۯհႚۉᇸ࠶૙ኸళڤዝᅏഗ3Q20086ۆ႙ۉᇸᆌᆩت૙ഗۉᇸ঴ਦݛӄᆩᇀOMAP35xڦۉᇸOMAP35xဣଚت૙ഗ੗ཚࡗI2Cጺ၍ํ၄ᇑഄࠃۉยԢڦཚ႑DŽOMAP35xت૙ഗཚࡗۯༀۉუೕ୲ۙবतSmartReflex™ํ၄ࠀࡼڦፌᆫࣅDŽTPS65023तTPS62350਩ਏᆶणׯڦI2C܋੨ᅜํ၄ᇑOMAP35xڦᆫࣅཚ႑DŽOMAP35xۉᇸยऺĊĊ֑ᆩTPS65023DŽ6ཚڢۉᇸ࠶૙ICLjਏᆶ3߲DC/DCĂ3߲LDOĂI2Cথ੨तDVSDžतTPS72118=1.2VOUTINDCDC21.2AENDEFDCDC2OUTINDCDC31.0AENOUTDEFDCDC3INVBATDefaultVLDO1=1.8VVLDO2=3.3VVBATDefault=1.8VPWRFAIL_SNSPWRFAILLOWBAT_SNSLOWBAT1.8-VPGT_RESPWRONMMCPower3.0VDCDC1EnableVINLDOLDO_ENDEFLDO1DEFLDO2TPS72118100-mALDOVBATPWRFAILOMAP3503/OMAP3515VBAT1.8V_PGVDDS_WKUP_BGVDDS_MEMVDDSVDDS_SRAM1.8V_PGOMAP35xGPIOOMAP35xGPIO1.8VVDD_CORE1.8VVDDSVDDS_MMC11.85V/3.15VTPS728185315200-mALDOwithDVSENSYS_NRESPWRONTPS62352EN800-mAI2CDC/DCI2CTPS3808G01ProgDelaySVSSenseVDDTPS71219Dual250-mALDOEN2OUT1OUT2TPS62353TPS3808G18TPS77418250-mALDOProg.DelaySVSENENPGReset0.9Vto1.35VVDD_MPU0.9Vto1.15VVDD_COREVDDS_DPLL_DLLVDDS_DPLL_PER1.8V800-mAI2CDC/DCI2CVDDA_DAC1.8VI2CReset1.8V_PGEN1OMAP3503/OMAP3515ۉᇸยऺĊĊ֑ᆩڇ๼؜ยԢۉᇸ࠶૙ኸళڤዝᅏഗ3Q20087ۆ႙ۉᇸᆌᆩFPGAतCPLDۉᇸ঴ਦݛӄई৤൩ݡ࿚ᅜฉበۅˈᅜइൽᆶ࠲Xilinx®तAltera®ڦFPGAࢅCPLDഗॲۉᇸ࠶૙ڦᅃበ๕ኧ׼ˈԈઔକ੗ࠃ௨ݯူሜڦۉᇸ֖੊ยऺ˄ਏᆶྜኝڦ཮՗˅ǃ࿿ଙൣڇᅜतޤዺኴႜ๮֩DŽߛ܈णׯڦTPS75003ํ၄ܔSpartan™-3ഗॲڦෙୟࠃۉTPS750035V_INPUT100μF100μF100μF10μF1.5nF1.5nFVCCAUXVCCINT1.2V@2A++VCCO3.3V@2AVCCAUX2.5V@300mAIS1SW1FB1IS2SW2FB2OUT3FB3AGNDDGNDIN1IN2IN3EN1SS1EN2SS2EN3SS3DGND3-ABUCK13-ABUCK2300-mALDODGND0.033
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Q2D2D115μH5μHQ110nFC20.047μFC120.047μFC610μFC1610μF++C7220μFC17220μFC80.047μFC180.047μFC56800pFC156800pF1.5Vat6A3.3Vat6ADIGITAL_VCCINTDIGITAL_VCCIOPLL_ENABLEC368pFC1368pFC10.012μFC110.012μFR910.0k
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C9470μF4VC194