【经验】IDT无线电源发射器P9241-G的布局布线注意事项
大家熟知的小米,华为这些手机大厂频发的无线充电技术夺人眼球,其背后大都采用IDT(RENESAS收购)的Rx解决方案。随着科技的发展,无线充电正在为人们提供无穷的便利,为手机智能的提供了更多的可能性。P9241-G是IDT推出的一款高度集成的无线电源发射器,内部集成了32位ARM Crotex-M0处理器,具备极高的可编程性和极低的待机功耗,适用于Iphone的7.5W和Andriod 10W的无线充电应用。本文将概述P9241-G布局布线的一些注意事项。
图1.手机无线充电应用
P9241-G的应用电路原理图如图2所示,由降压调节器,FET,晶振,检测电路等部分组成。
图2.P9241-G应用电路原理图
P9241-G属于大功率无线电源,在布局P9241-G时应该遵循环路最小规则:即信号线与其回路构成的环面积要尽可能小,环面积越小,对外的辐射越少,接收外界的干扰也越小。在双层板设计中,在为电源留下足够空间的情况下,应该将留下的部分用参考地填充,且增加一些必要的过孔,将双面信号有效连接起来,对一些关键信号尽量采用地线隔离,对一些频率较高的设计,需特别考虑其他平面信号回路问题,建议采用多层板为宜。同时I/O接口电路及功率驱动电路尽量靠近印刷板边缘,重要的信号线尽量短和粗,并在两侧加上保护地,信号需要引出时通过扁平电缆引出,并使用“地线—信号—地线”相间隔的形式。P9241-G的整体布局布线如图3所示。
图3. P9241-G的推荐layout图
接下来讲解一下VCC5V BUCK和 LDO元件的布线原则,原理图和layout如图4所示。VIN电容(C42)和VCC5V输出电容(C45)GND连接直接连接到GND引脚。旁路电容LDO18和LDO33必须经由这些电容的GND极板直接连接到EPAD。SW_S走线尽可能短地连接到电感器L4上,同时与PREG CAP(C43)的连接的走线应尽量短。总结一下,电路GND的划分按功能进行分区,各分区电路地线相互并联,单点接地。当电路板上有多个电路单元时,应使各单元有独立的地线回路,各单元集中一点与公共地相连,单面板和双面板用单点接电源和单点接地。
图4. VCC5V BUCK和LDO的布线图
P9241-G详细的布局布线内容可参考https://www.sekorm.com/doc/1347236.html。该文档详细记载了包括应用电路的原理图与layout,感兴趣的读者可自行查阅。
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Add Alternate Assembly Location on VFQFPN Packages Product Change Notice (PCN) (PCN220015)
型号- 9FGL0441AKILF,8V41N004NLGI,9FGU0641AKLF,9FGV0231AKILF,6V41564NLGI8,9FGS9091BNBGI,6INT61041NDG/W,6P41561NLGI8,9FGP318BKILF,9FGU0831CKILF,9VRS4451AKILFT,P9242-RBNDGI8,9LRS3187BKILF,9FGU0841AKILFT,P9245-R2CNDGI,8V97051NLGI8,6V41630BNLG8,9ZXL0651AKLFT,9ZXL0831EKKLF,9FGL0251AKILFT,8T49N234NLGI8,9DBU0931AKLFT,9FGV1001BROOTNBGI,9FGV1004BROOTNBGI8,6INT61041NDG8,P9242-R3NDGI8,5V41234NLGI8,9FGU0431AKLFT,P9247-GBNDGI8,9FGV1002CROOTNBGI,P9235A-R4NDGI8,851S201CKILF,5P50913NBGI,9DBU0541AKILF,6P40110NLGI,9FGV0441AKILF,8P391208NLGI,6V41516NLG8,9FGL0441AKILFT,9D61025BKILF,P9242-G2NDGI,9DMV0431AKILFT,P9235A-0NDGI8,9FGU0431AKILFT,P9245-0NDGI8,8T39S08ANLGI8,9DBV0831AKLFT,P9237-ROOTNDGI,810N322BKI-02LFT,5P49V5927BROONLGI8,6P41312NLG8,6V31024NLG,854S01AKILF,P9242-GNDGI,9VRS4420DKILFT,9FGV0641AKILFT,9FGU0841AKILF,5P49V6914AROOTNLGI,853S9252BKILF,9FGS9092ANBGI,9FGV0841AKLF,5P49V5914AROONLGI8,841N4830AKI-09LFT,DELL0255NLGI,9DFV0531AKLFT,P9237-0NDGI8,P9247-6NDGI,9DBV0931AKILFT,5P49V5927BROOTNLGI,8T49N242NLGI8,6ADI31051NLG8,6U49420DNDG8,853S9252BKILFT,9P40301BKILF,9VRS4450AKILF,8P79818NLGI8,8V89308ANLGI8,9DBV0941AKILF,9FGU0241AKILFT,8P79818NLGI,9DBU0931AKLF,P9247-GBNDGI,6U49420DNDGH,8V44N003NLGI,5V41065NLGI8,9DBV0731AKILF,DELL0651BKILF,8T53S111NLGI8,9DBU0941AKLF,9DMV0441AKILF,6P40110BNLGI8,P9235A-0NDGI,9SQL4958CNDGI8,9FGU0631CKLFT,8T79S828-08NLGI8,5P1105AROOTNLGI,6U49420DNDGH8,6V41642BNLG,P9242-G1NDGI,9FGL0651AKILF,9DBU0841AKLF,9DBV0441AKILF,9DML0441AKILF,P9235A-R3NDGI8,5PB1216NDGK8,P9242-R4NDGI8,5L35023BROOTNLGI8,9DBL0653ANDGI,8V97053NLGI/W,6V41530NLG8,9FGL699AKLF,9DMU0141AKILFT,1894K-43LF,813N252DKI-02LFT,8S89874BKILF/W,8L3010ANLGI8,9VRS4451AKLFT,8430S07AKILFT,6V41565NLGI8,9DBL07P1BROOTKILF,8S89831AKILFT,9DBL0851BKILF,9FGV0431AKLF,1894K-32LF,8T74S208C-01NLGI8,9DBL0643ANDGI,813N252BKI-04LF,5PB1206NDGK8,5P50912NBGI,9INT31H200NLGI8,8P791208NLGI/W,DELL0851BKILFT,842S14BK-02LF,5P1103AROOTNLGI8,6ADI49450NDG,9DBU0741AKILFT,5P49V5901BROONLGI8,9DBU0631AKILFT,8SLVD1204NLGI8,9FGL0851CKILF,9ZXL0832EKILFT,6P41312NLG,9VRS4338DKLF,5P49V5929BROONLGI8,DELL0851BKILF,9FGV0631CKILFT,9DBU0841AKILF,9DBL0442BKILFT,9FGL0651CKILFT,841N4830BKILF/W,P9241-GBNDGI8,8T73S208BNLGI8,9DBV0741AKILFT,853S111BKILFT,P9235A-R4NDGI,9FGV1002CROOTNBGI8,9LRS3187BKILFT,6V41537BNLG,9ZXL0651EKILFT,8T73S208B-01NLGI8,9FGL0441CKILF,9DBL0453ANLGI8,9DMV0141BKILF,9VRS4420DKLF-INT,9DBL0455NLGI,9FGV0241AKLFT,9LRS3187BKILFT-INT,6V41638BNLG8,841N4830BKI-09LF,5V41064NLGI8,9ZXL0832EKILF,5P49V5929AROONLGI8,6P50016BNLGI8,8V44N003-497NLGI8,5P49V5923AROONLGI8,9FGU0241AKILF,5P49V5923AROOTNLGI,P9235A-RBNDGI8,9DBU0531AKILFT,9DBU0831AKILF,9DBV0541AKLF,9FGV0831CKLFT,8V44N003-497NLGI,8SLVP1104ANLGI8,P9236A-B0NDGI,9DBU0441AKLF,5P50901NBGI8,9DBL0941BKILFT,6P41310NLGI8,8S58035AKILF,6P40210NLGI8,P9242-GNDGI8,9ZXL0631EKILF,8P79208NLGI/W,8P34S1204NLGI/W,9SBV0802AKILF,9Z61806NDGI,9FGS9091CNBGI,8SLVP1102ANLGI,9DBL0941BKILF,9DBV0741AKLFT,P9247-4NDGI,9VRS4450AKILFT,8SLVP2102ANLGI/W,932SQ430AKLF,6V41638BNLG,9DBU0741AKILF,9DBV0241AKLFT,5V41185NLG,5V41235NLGI8,6P41501NLG8,5P1103AROOTNLGI,8V44N003NLGI8,9DBU0241AKILF,9FGP318BKILFT,8T79S308NLGI/W,5P49V5913BROOTNLGI,9DBU0431AKLFT,9DBU0941AKLFT,9DBV0641AKLF,9FGU0231AKLF,P9235A-8NDGI8,8P34S1102NLGI,6ADI49450NDGH8,9DBV0231AKLFT,9DBL0253ANLGI,P9242-G3NDGI,841N254BKILFT,9INT31H200NLGI,5P49V5929BROOTNLGI,8SLVP1212ANLGI/W,9DBL411BKLF-INT,9FGS9091CNBGI8,P9237-9NDGI,9FGV0431AKILF,5V41064NLGI,5V41235NLG,9DMU0131AKILFT,9FGL0241AKILF,843S104BKI-133LF,9FGV0431AKILFT,9DMU0131AKILF,P9237-ROOTNDGI8,P9242-R6NDGI,9ZXL0851AKLFT,P9235A-RNDGI,6V41466NDGI8,9DBV0441AKLF,8SLVD1212ANLGI8,9DML0451AKILF,P9235A-R3NDGI,9DBL411BKILFT,8P34S2106NLGI/W,8SLVD1204-33NLGI,9DBL0741BKILF,9DBU0641AKILFT,9DBU0541AKLF,9DBV0841AKLFT,9FGL0251CKILFT,6V61201BNLGI,9DMV0131BKILF,9Z61108EKILFT,8T74S208ANLGI8,8L30205NLGI,9DBV0931AKILF,1894K-32LFT,5V41064NLG8,9Z61405NLGI8,6P41558BNLGI8,8SLVP2102ANLGI8,9FGU0441AKLFT,P9235A-B0NDGI8,9FGU0841AKLFT,9FGU0631CKLF,9DBV0531AKLF,8V97051NLGI,9FGL0851AKILF,6P40210NLGI,9VRS4450AKLF-INT,9DBV0241AKILF,P9245-R3CNDGI8,8T74S208ANLGI,9DBV0231AKLF,9Z61106EKILFT,9M31093ANLGI8,841N4830BKILFT,6V49R901-158NLGI8,9DBV0241AKLF,9DBU0741AKLF,8P34S1212NLGI8,9FGV0231AKLF,858S011AKILFT,P9235-0NDGI8,5P49V5913BROONLGI8,853S01AKILFT,9DBU0841AKLFT,9DBL0843ANDGI8,9FGV1004CROOTNBGI,P9242-P4NDGI8,9DBL0651BKILFT,9DBV0741AKILF,5P49V5929AROOTNLGI,P9236A-0NDGI8,853S01AKILF5,9DBL411BKILF,P9242-R0NDGI,8T74S208BNLGI,9VRS4420BKLFT-IN0,843S304BKI-100LFT,9DBV0431AKILF,6V61036NDG8,9DMV0141AKILF,8V97052NLGI,9DSL0891NDGI,8T74S208BNLGI8,8T73S208B-01NLGI,8RP1204NLGI8,9FGV0841AKLFT,9ZXL0451EKILFT,9FGV1001CROOTNBGI,8P34S2106NLGI,9DBV0241AKILFT,853S012AKILF,8P34S2102NLGI8,8T53S111NLGI,9ZXL0451EKILF,8SLVP2106ANLGI8,9DBV0931AKLF,6V41295NLGI8,9DMU0431AKILF,6V41516NLG,9FGL0241AKILFT,9DBL09P1BROOTKILFT,9FGL0241CKILF,9DBL0443ANLGI,9DBL0851BKILFT,9M31093ANLGI,9FGS9091BNBGI8,9FGP204BKLF-1K,6INT61041NDG,9DBV0531AKLFT,9DMV0441AKILFT,P9242-R4NDGI,9FGL0841CKILFT,9FGU0831CKILFT,8T79S308NLGI8,9DBL0741BKILFT,8V97051NLGI/W,8V97052NLGI8
P9241-G Wireless Power Transmitter for Smartphones with Fast Charging Modes for 5W, 7.5W, and 10W Applications
型号- P9241-GNDGI8,P9241-GNDGI,P9241-G
End-Of-Life Notice (PLC220006(R1))
型号- 7006L70GB,8T49N222B-127NLGI,8V41N004NLGI,7203L20LB,7207L30LB,5962-8687509XA,7024L35FB,7007S25GB,P9418-1AWQI,9FGU0831CKILF,9ZML1232BKLFT,P9222-R3AZGI,709379L7PFG,9VRS4451AKILFT,814S208BKILFT,5962-8976407MXA,5962-9222205MRA,72V221L10PFG,8403611JA,9LRS3187BKILF,6116SA55DB,7143LA35GB,8V54816ANLGI,9FGU0841AKILFT,7206L30DB,6116LA45TDB,8N0QV01LH-0108CDI,P9245-R2CNDGI,6116SA20DB,P9221-R7AHGI8,54FCT374TLB,5962-8687507UA,P9415-12AWQI,P9247-2NDGI8,8V54816ANLG8,7006L25PFG8,7130LA55CB,7008L15PFG,5962-8700217UA,72V201L15PFGI8,P9221-24AHGI8,7009L15PFG8,7130SA35CB,9DBU0931AKLFT,5962-9227101MXA,5962-8976407MYA,72V241L15PFG,P9242-P-EVK,54FCT373ATLB,72V221L15PFG8,P9382A-5AHGI,5962-8866514ZA,5962-9166206MXA,7130LA35FB,7140LA35L48B,851S201CKILF,814S208BKILF,7007L35GB,74FCT244CTPYG,P9242-G5NDGI8,7143SA90GB,5P50913NBGI,8403613LA,7014S12PFG8,5962-8953605UA,850S1201BGILF,5962-8700206UA,P9242-G2NDGI,9DMV0431AKILFT,P9235A-0NDGI8,P9245-0NDGI8,54FCT374CTLB,74FCT245ATPYG,74FCT244CTLB,7024S35PFG,7038L20PFGI8,810N322BKI-02LFT,P9235A-R6NDGI,P9382A-6AHGI8,854S006AGILFT,P9025AC-RNBGI8,5P35021-000NDG28,7143LA35FB,P9221-PAHGI,P9242-GNDGI,54FCT373CTDB,9FGV0641AKILFT,9FGU0841AKILF,7202LA30LB8,8403613JA,7025S45FB,7130LA55FB,7164L20TDB,853S9252BKILF,7203L20LB8,P9221-R1AHGI,P9320-0AHGI8,5P49V6975A000LTGI8,7143LA90GB,841N4830AKI-09LFT,P9221-P-EVK,5962-8700217ZA,664G-03LF,7024S45FB,5962-9221405MRA,6116LA70TDB,P9382A-5AHGI8,P9237-0NDGI8,6116LA35TDB,70V24L25PFG,9DBV0931AKILFT,6116LA55DB,8V41N354NLG,7207L30LB8,853S9252BKILFT,8V19N880BDGI8,5962-3829407MZA,932SQL456AGILFT,9DBV0941AKILF,P9222-R2AZGI,RC31008A000GND#BB0,8T49N4811NLGI,P9225-RAHGI,5962-8700215UA,9DBU0931AKLF,74FCT162373CTPVG,P9415-9AWQI8,7134SA70L48B,8V54816ANLG,7203L40LB,5P50912DVGI,71256S35DB,7025L55FB,8T49N222B-000NLGI,54FCT374ATLB,9DBV0731AKILF,8T53S111NLGI8,9DBU0941AKLF,9DMV0441AKILF,8T49N205A-007NLGI8,P9235A-0NDGI,9FGU0631CKLFT,P9235A-R7NDGI,7164S20TDB,P9242-G1NDGI,74FCT3245QG8,7025L20FB,5962-9317703MXA,7130SA55CB,5962-9221703M2A,70V9289L7PRFG8,7009L20PFG,P9242-R4NDGI8,7025L55GB,9FGL1220AKLFT,RC19013A100GNG#BB0,7132LA45FB,849S625BYILFT,8V19N882NVGI,7207L30DB,74FCT16373ATPVG,8V97053NLGI/W,7025S45GB/3215,P9242-G4NDGI,9FGL699AKLF,P9236A-B1NDGI,7024L20GB,7203L20DB,5962-9161702MXA,8S89874BKILF/W,9LPRS477DKLF,7132SA100L48B,7140SA55L48B,7143SA70GB,7132LA35L48B,7006S25GB,7202LA20LB8,932SQ420DGLFT,5962-8866205XA,7206L30LB,74FCT16245TEB,9LPRS477DKLFT,9VRS4451AKLFT,6116SA150DB,8430S07AKILFT,5962-8866507ZA,70V09L15PFG8,6P49308NLG,7024L55GB,5962-8687505YA,5962-8687516XA,9ZX21201BKLFT,5962-8866516UA,5P50912NBGI,72V3650L7-5BB8,7024L55GM,6V49205BPAGI8,7005L70GB,72V3660L6BB,70V9089L12PFGI8,9DBU0741AKILFT,72V3650L7-5BBI,7005S55GB,70V25S20PFG,P9242-G4NDGI8,5V49EE704NDGI8,9VRS4338DKLF,5962-9221804MRA,8T49N1012-008NLGI,7006L35GB,7038L15PFG,9FGV0631CKILFT,5962-8866201NA,5962-9150808MXA,P9415-11AWQI,9FGL0651CKILFT,P9241-GBNDGI8,8T73S208BNLGI8,9DBV0741AKILFT,7134SA35L48B,70V09L15PFG,7143LA70GB,P9242-R-EVK,P9243-G1NDGI8,P9247-1NDGI8,9LRS3187BKILFT,8T73S208B-01NLGI8,6116SA150TDB,7130SA100L48B,P9242-R8NDGI,RC19008A100GND#KB0,P9237-RBNDGI8,8V49NS0412NLGI,8T49N488A-999ASGI8,9LRS3187BKILFT-INT,5962-8861012ZA,7006L15PFG8,7133LA25GB,5962-9223803MRA,P9418-1AWQI8,P9222-R2AZGI8,7014S12PFG,RC22504A000GNK#KB0,7130SA25L48B,6116LA90TDB,70V9289L7PRFG,932SQ420DGLF,7203L40LB8,P9323S-0AHGI,72V36100L6BCY,P9235A-RBNDGI8,5962-9221806MRA,P9241-G-EVK,9FGV0831CKLFT,RC32012A000GN2#KB0,5962-8687507XA,6116LA55TDB,5962-8966606XA,54FCT573TLB,290G-18LFT,71024S20TYG8,P9235A-EVK,P9225-RAHGI8,P9025AC-R1NBGI,74FCT16244CTPVG8,7026L25GM,8T49N1012-007NLGI8,P9242-GNDGI8,5962-8687507YA,2308-1HPGGI8,6P40118PGG8,8SLVP1102ANLGI,7025L15JG8,723623L12PFG,P9415-13AWQI,7026L25GB,853S031BYILF,9FGV1001C000NBGI8,7203L40DB,72V85L15PAG,9DBV0741AKLFT,5962-8866516ZA,2308-2DCG8,72V85L15PAG8,7201LA50TDB,P9235A-R5NDGI,8V19N880BDGI,74FCT162373ETPAG8,5962-8866203NA,8T49N1012-007NLGI,9DBU0741AKILF,72V3640L7-5BB8,70V24S15PFG8,5962-8700208UA,8403608LA,RC19204AGNL#BB0,72231L15PFGI8,5962-8861010ZA,9DBU0941AKLFT,P9235A-8NDGI8,8P34S1102NLGI,7006L15JG,23S08-1HDCG8,72V3690L7-5BB,XFN336156.250000I,74FCT374ATDB,5962-9150806MYA,7134SA55L48B,P9225-5AHGI,8T49N1012-010NLGI8,P9242-G3NDGI,P9242-G6NDGI8,5962-8700208TA,54FCT373CTLB,P9323S-1AHGI,5962-8753101TA,7005L25GB,7006L20FB,P9237-9NDGI,9DMU0131AKILFT,7006L55GB,843S104BKI-133LF,5962-9166201MYA,8T49N1012NLGI,9DMU0131AKILF,P9242-R6NDGI,8T49N488A-000ASGI,RC19008AGND#KB0,74FCT245ATDB,7206L30LB8,P9225-5AHGI8,P9235A-RNDGI,P9221-P1AHGI8,5962-3829415MXA,5962-9166201MXA,P9222-R3AZGI8,5962-8687522UA,8403609LA,7140LA100L48B,74FCT162373ETPVG,5962-9161704MYA,8SLVD1212ANLGI8,P9235A-R2NDGI8,P9236A-B1NDGI8,70V9369L9PFG8,2308-2DCGI,7202LA20LB,5962-8874001LA,7132LA25L48B,7204L20LB8,5962-9221401M2A,932SQL450BKLF,5962-8687502XA,853S031BYILFT,8T49N1012-002NLGI8,5962-8700212ZA,9DMV0131BKILF,5962-9161704MXA,8T49N222B-123NLGI,8T49N1012-994NLGI8,54FCT240ATLB,8V49NS4812NLGI8,P9235A-18NDGI8,7009L15PFG,MK5811CMLFT,5962-8986305YA,7009L20PFGI,5962-8700221UA,5962-9
P9235A-RB Wireless Power Transmitter for up to 5W Applications
型号- P9235A-RBNDGI8,P9235A-RB,P9235A-RBNDGI
【成功案例】IDT®无线充电芯片组成功应用在小米MI MIX 2S智能手机及其无线充电板
IDT(Renesas收购)公司2018年4月4日在加利福尼亚州圣何塞宣布,其最新的无线充电发射器和接收器将用于小米旗舰手机MI MIX 2S及其无线充电板,实现方便快捷的充电方式。小米MI MIX 2S智能手机及其充电板都通过了无线充电联盟(WPC)Qi标准认证,可兼容其它无线充电设备。
应用方案 发布时间 : 2019-04-17
P9242-R3/RB 15W Wireless Charging Transmitter with Bi-directional Data Communication
型号- P9242-R3,P9242-R3NDGI8,P9242-RB,P9242-R3-EVK,P9242-RBNDGI8,WP15WBD-RK,P9242-RBNDGI,P9221-R3-EVK,P9242-R3NDGI
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服务
提供是德(Keysight),罗德(R&S)测试测量仪器租赁服务,包括网络分析仪、无线通讯综测仪、信号发生器、频谱分析仪、信号分析仪、电源等仪器租赁服务;租赁费用按月计算,租赁价格按仪器配置而定。
提交需求>
满足150W内适配器、PD快充、氮化镓快充等主流产品测试需要;并可查看被测开关电源支持协议,诱导多种充电协议输出,结合电子负载和示波器进行高精度测试。测试浪涌电流最大40A。支持到场/视频直播测试,资深专家全程指导。
实验室地址: 深圳 提交需求>
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