【应用】AIT降压IC A7231AE6VR用于网关项目中，输出电流3A，转换效率高达96%
在网关项目当中需要对12V电压降压至3.3V给各个模块供电，这里选择了AIT的A7231AE6VR，该降压IC的输入电压是4.2V~16V，输出电流可达3A，转换效率高达96%，可以满足在这个项目当中给各个模块供电的需求。以下是该项目的大致框图：
以下是该IC的参数表：
从该表可知输入电压是4.2V~16V，待机功耗低在5μA，开关上限电流为6A，最大占空比为92，优异的性能参数可以满足其它很多项目的设计需求。
以上是该IC的典型运用电路和输出电压调节公式调节R1和R2阻值比例输出想要的工作电压，用法简单方便。从上可以看出该DCDC降压的性能可以很好的运用于该项目当中，而且AIT做为一个资深品牌，在研发设计中可以放心选用。
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型号- Z20K11XMC,Z20K148MC,Z20A8300AMPET,Z20K146MC,Z20K116MCMMET,Z20K144MC,Z20K118,Z20K146MCMHLT,Z20A8300A,Z20K118NCVLLT,Z20K146MCMLLT,Z20K118MCM,Z20K116MCMHLT,Z20A82XX,Z20A8200,Z20A8201,Z20K116MCMFLT,Z20K148MCM,Z20K144MCMLLT,Z20K118N,Z20K118M,Z20K35X,Z20K366,Z20K14XM,Z20K352E,Z20K144MCMHLT,Z20K114N,Z20K114M,Z20A148M-144LQFP,Z20K148MCMQLT,Z20A1043,Z20K352S,Z20K144MSMLLT,Z20K144MSMFLT,Z20A1169,S32K142,Z20K144MSMHLT,Z20A1044,Z30P446M,Z20K142MSMMET,Z20A8200AMMET,Z20K148MCMLLT,Z20K118MCMFLT,Z20K118MCMHLT,Z20K148MCMHLT,S32K118,Z20A8201AMMET,Z20A1163X,Z20A8300,Z20K114MCMFLT,Z20K11XNC,Z20K14XMC 系列,Z20K14XMC,Z20K354E,Z20K144MS 系列,Z20K118M-64LQFP,Z20K11XM,Z20K146MCMQLT,Z20K3XX,Z20K116N,Z20K116M,Z20K116NCVLLT,Z20K352E R5F,Z20K11XMC 系列,Z20K142MSMFLT,Z20K148MS,Z20A1021,Z20K142MSMHLT,Z20A8300AMFKT,Z20K142MSMLLT,Z20K35X系列,Z20K142MS,Z20K350S,Z20A1028,Z20K146MS,Z20K11XNC 系列,Z20K114MCMMET,Z20K144MS
Product Introduction
型号- F1812L,A4711,A4712,A2410,FRU500-30,A7425,A7545,A7431A,A7431,A3085A,A74442,A317B,A7539,A7534,FRU110-30,FUB110-16,A7542,FRU300-30,A6115,A4059,A4730,A7530A,A4732,LO RHO F0603L,A7332,A7335,A4061,A4063,A7330,A6120,FRU700-30,A4722,F0603L,A4055,A8167A,A7566,A4056,A4057,A4051,A6110,A4052,FUB110-30,A6500A,F1206L,LO RHO F1812L,A79LXX,AP8024,FRU090-30,A6318A,A7506,FUB200-30,AP8263,FUB075-16,AP8022,A7501,A79XX,A7630,A6540,A7511,A6301,A4001,A6300,A4002,A8169,AP2273,AP8012,FUB135-16,A8946,A9912,A9913,A1117A,A9910,AP8370,A1084,A8230A,AP8002,AP8366,A6318,A4812,A4813,A7523,A7525,A78XX,A7531,A6250C,A7530,FUB200-16,A6250A,A6201,A63250C,FUB185-16,A6303B,A6303A,A8180,A8181,A78LXXA,A4808,A25CM02,A4809,AG2136,A4804,A4805,A4806,A7516,A6306,A6303,A4004,A6305,A6304,A4006,A6140A,A8176,FRU160-30,LO RHO F1206L,A25CM01,AG2008,A6151A,A3232,FUB160-16,A6301A,A8240,A7230A,A78L05,AG2113,A7812,A4786,A8113,LO RHO F0402L,A7142,FRU600-30,A8230,A6300A,AG2106,AG2104,A6516,AG2101,A7231A,FUB160-30,A71116,A7406B,A4809C,A78L24,FRU400-30,F12101L,F0805L,AP8275,LO RHO F0805L,A6501,A6500,FUB135-30,A8131,AH8113,AP8836,FUB155-16,A79L05,A2212,FUB090-16,A2211,A7330A,A7108,A7221A,A7115,A6141,A6140,A8160A,A1118,A317,A2323,A7222A,A2327,FRU135-30,A6800,A2203,A7222,A6250,A7220,FRU250-30,FRU900-30,A79L24,A4777,A4778,FRU800-30,A7805,A4779,A4773,A4774,A7801,A4775,A2358,A4776,A4781,A4782,FLB090-30,A4783,FUB120-16,A78MXX,A74442A,F2920L,A6700,A4770,A4771,A4772,A6151,A2230,FRU185-30,LO RHO F1210L,A6150,A4056B,F1210L,A6100A
AIT 降压转换器选型表
AIT提供降压转换器的参数选型，VIN (V)：2.5~60；Frequency：150KHz~2000KHz；Modulation：PWM Sync，PWM Async，PFM Sync等。
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产品型号
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品类
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VIN (V)
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VOUT (V)
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Modulation
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Efficiency (%)
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Frequency (KHz)
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Load Current（mA、A）
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Iq（uA）
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Package Type
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A7116E5R-ADJA
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降压转换器
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2.5~6.8
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Adj (0.6~5)
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PWM Sync
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96
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1500KHz
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700mA
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40uA
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SOT-25
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选型表 - AIT 立即选型
Product Introduction AiT Semiconductor Inc.
型号- F1812L,AG2008,FRU,A7425,A7545,A4037,A7431A,A7431,RS-232,A8366,A3232,A3085A,A431L,24C128,A74442,A7230A,A317B,A78LXX,A7539,A7534,AG2113,A7542,A4032,A4033,RS-485,A7544,A4034,A7142,LO RHO F0402L,A4030,A4031,24C256,AG2106,AG2104,AG2101,A4059,A7231A,A7530A,A7122A,LO RHO F0603L,A7332,A71116,A7335,FUB,A7406B,A4061,A4809C,A4063,A7330,A6120,24CM02,24CM01,24C64,F0805L,AP8275,A6501,LO RHO F0805L,F0603L,A4055,A7566,A4056,A4057,A4051,A6110,A4052,AH8113,24C512,AP8836,AH8115,F1206L,LO RHO F1812L,A79LXX,AP8024,A7506,AP8263,AP8022,A7501,A7330A,A7108,A79XX,A7221A,A7630,A7115,A4001,A7230,A1118,AP2273,AP8012,A317,A8946,A7222A,A1116,A8946;,A1117A,A431,AP8370,A7222,A1084,A7220,24C32,AP8002,A6318,A4812,A4813,A7523,A7801,A2358,A7525,A78XX,A7531,24C08,A7530,A7131,24C02,24C04,A4808,A25CM02,A4809,AG2136,A4804,A4805,A78MXX,A4806,A7516,A7632A,A74442A,A7115B,A6303,A1016,F2920L,A7642,A7121,LO RHO F1210L,A4056B,F1210L,A25CM01,LO RHO F1206L,24C16
【产品】ROHM面向高端ADAS开发出业界超稳定运行的DC-DC转换器IC BD9S402MUF-C
ROHM面向包括ADAS、信息娱乐系统等日益复杂的车载应用，开发出一款降压型DC-DC转换器IC“BD9S402MUF-C”。将QuiCur™技术融入，在同等性能的车载二次侧DC-DC转换器IC中，实现业界先进超稳定运行。
【选型】国产同步降压DCDC SGM6019应用于智能网关，低功耗、转换效率可达95%
随着物联网的快速发展，越来越多的物品进入了物联网的行列，而为了将物联网接入到互联网中，以便能交互信息和接受指令，就需要用到智能网关。国产圣邦微同步降压DCDC SGM6019，其功耗低，效率可达95%，非常适合应用于低功耗的物联网产品上的低压微处理器。
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