【应用】符合汽车认证的保险丝,为BMS过充、放电保驾护航

2019-07-30 世强 风起云扬
保险丝,保护器件,L70QS,LC HEV 保险丝,保护器件,L70QS,LC HEV 保险丝,保护器件,L70QS,LC HEV 保险丝,保护器件,L70QS,LC HEV

【摘要】在汽车电池管理(BMS)的充放电过程中,容易发生过充、过放现象,从而导致电池损坏,甚至起火事故。对此,本文分析了被动电流保护,即通过在主回路上串联保险丝的方式来保护电池,并推荐了符合AEC-Q101和AEC-Q200汽车认证的力特保险丝。


如何预防电池管理系统(BMS)过充、放电危害
电动汽车电池管理系统(BMS)是连接车载动力电池和电动汽车的重要纽带,其主要功能包括:电池参数实时检测,电池状态估测,在线诊断与预警,充放电与预充控制,均衡管理和热管理等。对电池的保护,主要表现为过压保护及过流保护,而多数情况下的电池损坏、起火等事故,主要由于充电或放电过程中过流导致。


如下图1所示,为高压锂离子电池组BMS系统结构框图及其6个典型保护点。其中,对于“圈6”处即动力电池功率主回路的保护,是重中之重,它是汽车高功率系统中过电流或短路事件中最后一环安全措施。


图1:高压锂离子电池组BMS系统结构框图及其6个典型保护点


对于BMS系统功率主回路过流保护方法,通常如下图2,是在主回路中串上保险丝。它需要运用高电压(高达450VDC)、高电流(最高为800A工作)保险丝,该保险丝还需要能够承受几千安培(瞬间过流),并且需要能够长时间连续地传导大量的能量,而且还需要与系统中下游的其他保险丝(例如接线盒)良好协调。


 

图2:BMS系统中过流保护保险丝应用简图


LITTELFUSE是来自美国、电路保护领域全球领先的企业,向业界提供最广泛且最尖端的电路保护产品及解决方案产品组合。其中,在过流保护上有着强大的技术、完整的产品和丰富的经验。其推出的L70QS/L50QS、0HEV、LC HEV系列明星保险丝(如图3)的具体参数优势如下。从这些参数足以看出L70QS/L50QS、0HEV、LC HEV系列保险丝完全可很好地胜任上述功率主回路上所需要保险丝的挑战,为BMS系统的保护工作做好最后一道把关。


L70QS/L50QS、0HEV、LC HEV系列保险丝的具体参数优势:
1)动力电池组要求工作电压高:
LQ70QS:700VDC ,700VAC
Q50QS:500VDC ,500VAC
LC HEV:450VDC (10A、15A、20A、30A),425VDC (40A)
0HEV:275VAC


2)动力电池组要求工作电流高:
LQ70QS/ LQ50QS:高电流额定值35A至800A
LC HEV:中低电流额定值10A、15A、20A、30A(450VDC)、40A(425VDC)
0HEV:中等额定电流50A(250VAC)


3)动力电池组要求分断电流高:
LQ70QS/ LQ50QS/ LC HEV:中断额定值10Ka
0HEV:2,000A@250VA(50A)


4)动力电池组要求工作温度高:
LQ70QS/ LQ50QS/ LC HEV/0HEV:-40ºC至+125ºC;


5)动力电池组要求质量标准高:
LQ70QS/ LQ50QS/ LC HEV/0HEV:遵循ISO8820-8要求;
LQ70QS/ LQ50QS/ LC HEV/0HEV:满足AEC-Q101和AEC-Q200汽车认证


6)动力电池组要求封装友好:
LQ70QS/ LQ50QS/ LC HEV/0HEV:多种安装选项,板安装,螺栓固定式,刀片,内联电缆。



图3:用于动力回路的小、中、大电流,高压,力特保险丝实物图


LQ70QS/ LQ50QS/ LC HEV/0HEV其他应用补充说明:
L70QS/L50QS系列:
L70QS/L50QS系列高速保险丝具有极强的电流限制能力,可用于保护电源转换器、驱动装置和控制电路应用。此系列保险丝采用较低的I2t性能特征设计,具有平衡的性能,可在延长使用寿命的同时,降低对所保护的元件可能造成损害的热能。此外,L70QS/L50QS系列保险丝还具备通用安装选项,以满足客户在各种应用配置中进行安装的需求。


此类产品常用于BMS、纸浆和造纸行业、吊机和起重设备、加工行业、废水处理厂和各种大型工厂以及MRO设施等各种行业。


LC HEV/0HEV系列:
LC HEV/0HEV保险丝,也常设计用于保护混合动力和电动车辆中的高电压辅助电路。

授权代理商:世强先进(深圳)科技股份有限公司
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  • 空心菜 Lv2. 工程师 2017-01-19
    电压低了点。。。
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目录- 保险丝特性/术语/考量因素    选择清单    标准    包装/零件编号    免责声明    表面贴装保险丝    径向引线型保险丝    轴向引线型和管式保险丝    管式保险丝座    特殊应用保险丝   

型号- 45302.5,0977016.XEP,03540903ZXGY,0154.125,03540821ZXBL,0482 0007ZXB,03540911ZXGY,01550009ZXA,111 501,111 505,111 506,0454003.,0454001.,01550009ZXU,3453HS3-010,03540001ZXGY,800,801,03540806ZXGY,802,454007,803,804,454005,454004,0477016.XEP,454003,0454002.,807,808,0482 0019ZXB,015401.6,015401.5,0100 0054,208 000P,0977.800XEP,0216 000XP,154.315,820 20,0453.250,0215.125XEP,345 101,225 000P,810,811,640 0000 1603,813,814,815,816,0482 0007ZXP,559 0000 00 01,0154.375,0275025.,121004,282008,65800001XXX,121001,282007,820,121002,821,282002,0100 0058,823,824,282001,0100 0056,3453LF2-010,03540912ZXGY,154.375,0216.800XEP,03540807ZXGY,100 058,0453002.,0453.080,100 054,100 056,01550114ZXA,830,03540902ZXGY,831,0281 0008H,0107 0002,853 0000 1009,834,0454007.,835,837,0477.800XEP,279 000,154.125,0106 0001,216SP,800 01,0154.315,101001,0482 0001ZXPF,0215001.XEP,0453003.,0482 0019ZXP,562 0000 1009,3453HS4-010,01550114ZXU,454002,454001,015403.5,453.062,02450002X,3453LF1-010,65800003XXX,0154.100,850,0482 0009ZXB,851,852,853,855,856,0454005.,02450002H,129 002,0213 000P,129 001,01550020ZXA,0100 0020,0482 0020ZXB,314 000P,866 0000 1009,02450001X,0453001.,15403.5,3453LF1-020,0281 0007H,0482 0020ZXP,0453.062,154.750 T,860,862,865,03540010ZXGY,866,837 0000 0005,02450001H,01550020ZXU,0454004.,0520 0005 ZXGY,313 000P,824 0000 0005,125002,125001,0213 000 XEP,870,03540808ZXGY,874,875,876,877,PICO 259,0217.315 XEP,3453LF4-010,0154.750,0453007.,649 0000 3039,0285.125 XRP,127 002,0281 0005H,640,816 0000 0005,655 0000 0405,400,646,648,649,0482 0015ZXP,127 001,0482 0009ZXBF,0217.400 XEP,815 0000 0005,342 058,52100001009,830 0000 0005,0453004.,01550104ZXU,0482 0002ZXPF,652,653,0482 0005ZXB,655,0482 0010ZXPF,656,101002,658,101003,646 1200 7113,659,01550104ZXA,03540011ZXGY,451.1,03540901ZXGY,0453005.,342 048,660,824 0000 0205,429,0215020P,0482 0017ZXB,649 0000 1039,435,437,438,659 0000 0009,0482 0005ZXP,0451.062,440,441,443,202,203,445,254 121,446,688,447,448,449,208,209,646 1200 7123,154001. T,0482 0003ZXPF,0154.500,0453008.,824 20,451,452,453,0520 0001,354 101-GY,454,213,456,215,03540012ZXGY,458,216,459,217,218,453.1,453.2,03540809ZXGY,453.8,453.5,0520 0004 Z,453.4,460,3453LF3-010,461,0451.080,312 000,462,220,464,465,0482 0008ZXBF,466,224,467,225,468,469,254 101,229,800 0000 0105,0482 0017ZXP,560 0000 13 19,01000020Z,471,230,472,0101 0001,473,232,233,0356 0011Z,234,477,235,239,125 001,125 003,570 0000 0001,125 002,0445 0001,03540601ZXGY,154002. T,109 002,345_ISF,02200029MXP,0281 0001,109 001,481,482,0101 0002,242,485,0101 0003,0482 0016ZXBF,04533.15,245,0356 0010Z,0215020.XEP,01550004ZXA,102064,345 101-010,0482 0002ZXB,0482 0002ZXP,03540005ZXGY,803 01,251,494,253,254,0122 055Z-1,348 677,354 700,01550004ZXU,348 671,03540101ZXGY,0482 0019ZXPF,15401.5 T,03540906ZXGY,3453QS2-010,0216.050XEP,345 101-020,03540803ZXGY,262,102071,263,265,266,267,268,520 001,269,520 003,520 004,PICO 259-UL913,0482 0007ZXBF,0235006.XEP,0482 0004ZXPF,0218 000P,272,030,273,274,03540602ZXGY,275,154.8,262 000,278,0239 000P,279,505 000P,0453.630,154.1,0154007.,0482 0014ZXP,154.5,154.4,154004. T,155 100,154.2,3453QS8-010,01550014ZXA,340 313,0482 0014ZXB,281,282,01550120ZXU,340 312,285,286,155 004A,348 600,04611.25,0453.400,852 0000 1009,01550120ZXA,045306.3,0281 0008 H,1541.25,268 000,811 0000 0005,01500145HXB,01550014ZXU,0482 0017ZXBF,348 877,155 114A,0218.032 XEP,3453QS3-010,278 000,348 871,640 0000 1003,658 0000 1109,0482 0001ZXBF,03540004ZXGY,155 004U,220 000P,58300000005,831 0000 0005,0482 0006ZXBF,451.125,03540907ZXGY,0482 0005ZXPF,155 006A,0154008.,03540802ZXGY,155 114U,00300210M,155 006U,850 0000 1009,0254 0002Z,344 125,658 0000 4009,0482 0010ZXP,045402.5,01550109ZXU,03540905ZXGY,0154003.,0482 0010ZXB,3453LF8-010,01550006ZXU,00300210N,3453QS7-010,0254 0003Z,0232 000P,03540003ZXGY,0482 0002ZXBF,0482 0009ZXP,0154002.,348 800,0482 0009ZXPF,0154.080,0453.200,3453RF8-010,01550100Z,0359 0010Z,315 000P,03540603ZXGY,3453HS1-010,02810001H,520_W,332 000P,224 000P,66000001009,508 000P,0154005.,0477.500XEP,325 000P,155 009A,3453QS4-010,0359 0011Z,0482 0018ZXBF,0254 0001Z,453.315,851 0000 1009,155 009U,15401.6,286 377,15401.5,0482 0021ZXPF,45403.5,0154004.,01550109ZXA,0359 0012Z,653 0000 0405,0482 0008ZXPF,154.375 T,3453LF7-010,454.375,0216001.XEP,835 0000 0005,322 000P,03540805ZXGY,345 121,658 0000 3109,652 0000 0405,03540002ZXGY,266 000,0275030.,154L,02200019MXP,03540604ZXGY,045302.5,281010,03540904ZXGY,208 000EP,0482 0003ZXBF,453.75,45303.5,0216016.XEP,0482 0020ZXPF,0154001.,3453HS2-010,354 900,281007,154T,281008,281005,0482 0012ZXB,0482 0012ZXP,640 0000 1403,03540804ZXGY,51800001009,453.63,0482 0019ZXBF,0356 0012Z,45401.5,0154.062,834 0000 0005,01550006ZXA,0217015 XEP,453.125,344 400,015402.5,0218.125 XEP,0254 0204Z,344 405,230 000P,344 402,0482 0007ZXPF,344 401,0453.160,344 404,344 403,0482 0004ZXBF,0233 000P,0482 0018ZXP,0154.250,0482 0015ZXPF,265 000,354 000,209 000EP,801 0000 0005,453.08,640 0000 1503,0520 0101 Z,03540008ZXGY,0482 0018ZXB,0254 0205Z,810 0000 0005,571 0000 0001,

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目录- Company profile    Circuit Protection Technologies    Overcurrent/Overvoltage Protection device    ESD Suppression Solutions    Overcurrent Protection/Overvoltage Protection Applications    Common Circuit Threatsand Protection Solutions    Fuses    Fuse Holders    PPTC Devices    Varistors    Gas Discharge Tubes    ESD Suppressors    TVS Diode Arrays    Protection Ics    TVS Diodes    PLED Bypass Protectors    SIDACtor® Protection Thyristors    Circuit Breakers   

型号- PXXX0SAMC,LS2406ERQ23,1812L,LVR,SPHV,30KPA-HR,456SE,456SD,15KPA,345 SERIES,ITV9550 30A,AQ24CANFD,SDP,AC,RUEF110S,LS2406ERQ33,PXXX2AC,MICROSMDCH,562 SERIES,AQ1003-01ETG,SDPXXX0T023G5,150603,800,801,802,804,806,807,BA,808,BB,PGB2,PGB1,P4SMA,TSM600,PTF070,MICROASMD,SC1103C-01UTG,PTF078,PTF077,LS0504EVT233,PTF075,AQXXC-01LTG,810,811,356 SERIES,5KP,813,FB65,814,FB66,CA,CG,CH,PTF080,286677,PICOASMDCH,PXXX2AX,MINIASMDC,SMF4L,121004,B61089BDR,282008,121001,282007,820,121003,AK10-Y,821,121002,282002,823,824,282001,FB55,DA,828,DB,FB58,NANOASMDCH,820-20,830,831,834,835,TP5KP,101001,3453,3452,605,606,RKEF,607,PXXX2ACMC,LS12052BD33,AGRF,PTF0080M,B61089QDR,RUEF135V,850,851,852,3455,853,AHEF100,60R,617,618,GTCX36-XXXM-R05,PXXX0Q12X,860,862,HA,HB34,GTCX36-XXXM-R10,2920L,SP8008,AQ4337-01ETG,155 SERIES,P6SMB,803-01 SERIES,SLD,810 SERIES,870,PTF015,874,875,876,342 SERIES,877,5.0SMDJXXS-HRA,348 SERIES,30KPA,SM7,SM24CANB,SMCG-HR,TSV250,FC09B1606NL-0,SMD,SMF,TPSMB-VR,881,35408 SERIES,OMN002,400,OMN004,885,35406 SERIES,881 SERIES,OMN006,646,405,647,V20H275AUTO,407,649,RXEF,101010,52100001009,AQ24CANA,AQHVXX-01LTG,656,101002,PXXXXDF,658,101003,5KPA-HR,824-20 SERIES,5.0SMDJ,570 SERIES,AQ3530-01FTG,B-SERIES,662,663,422,664,665,LA,SMBLCE-HR,L-SERIES,AQHVXX-01LTG-C,PTF050,SC1105-01UTG,PTF055,G-SERIES,435,437,438,A-SERIES,870 SERIES,PTF065,440,RGEF,437A,441,SP1103C,443,202,203,254 121,445,446,688,447,3453 SERIES,448,449,208,209,TR600,04450001,PTF030,438A,451,SRP,452,453,454,TSM250,PTF035,213,456,215,821 SERIES,458,216,LV ULTRAMOV,459,217,218,SP3401,SP3400,AQ3522-01FTG,TPSMC,FHN26G2,TPSMB,PTF040,TPSMD,LS2405IDD23,PTF045,460,461,5KPA-HRA,462,220,464,465,466,224,467,225,576 SERIES,468,254 101,229,BXXX0CX,SL0902A,102080,470,BXXX1UX,471,472,230,473,232,233,501A,476,234,235,477,MIDSMD,PXXX4UCMC,239,MHS,850 SERIES,813 SERIES,AQ1205-01ETG,483,RA,485,487,802 SERIES,259UL913,ITV4030 22A,SM20,345121,102064,254 201 - 208,251,494,PLEDXUX,253,SD,SE,SG,SH,259,4.0SMDJ,SL1002A,SM,15KPA-HRA,15KPA-HR,GTCX37-XXXM-R10,102074,102076,102079,102078,NANOSMDCH,GTCA28-XXXM-R03,NY61AP,262,102071,263,265,266,3.0SMC,267,DSLP,268,269,LOW RHOPTC,520 002,520 003,520 004,SL1003A,520 005,1KSMB,345101,MLA,LS24062RQ23,1210L,AQ36CANA-02HTG,445073,MLE,MHP-TAM15,272,273,MLN,M-SERIES,274,E-SERIES,275,278,279,AQ3102-02HTG,MHP-TAC6,803-01,MHP-TA,285,AQ3041,SMBLCE-HRA,PLEDXUSXA,SP4322-01ETG,AQ3045,TP1.5KE,SP4208,SC1205-01ETG,820-20 SERIES,354 SERIES,CG33.0L,SP11XX,359 SERIES,MS-SERIES,111 SERIES,100 SERIES,NANOSMDC,346877,PICOASMDCH010F-2,340 SERIES,AHRF300,AHEF,342025,342024,342021,ZA,AQ3400,XGD,FH604,AQ1250-01ETG,PXXX3ACMC,FH602,PXXX6U,SP4010,342006,PLEDXN,SZD200,HG34,PLEDXS-A,J-SERIES,824 SERIES,FEMTOASMDC,ITV5432 30A,AK6-Y,557 SERIES,SL1021A,SL1021B,SP4020,SP4022,SP4021,SMDCH,SP4024,281010,SP4023,PLED,MINISMDC,AXXXXUX6,254 011 - 008,SMTAK3,PXXX0Q22XLH,MHP-TAM6,AK15,445005,281007,154T,281008,281005,AK10,AQ1005,51800001009,PXXXXS4X,ITMOV,354701 SERIES,483A,445004,LS05006VPQ33,SP4044,BXXX1UC4,SP4045,5200001,SMBJ,AQXX-01LTG,AQ7538-08UTG,SP1064E-04UTG,TCF250,SMTOAK2,SMAJ,AQ7520-08UTG,PXXX3AX,NANOASMDC,461E,811 SERIES,800 SERIES,157T,FC51,PXXX1U,PXXX1S,TRF250,SMBJ-HRA,SMDJ,CG3,SP3384NUTG,CG2,CG5,CG4,2205,CG7,B3XX4UX,CG6,VLP,VLR,0603L,PLEDXUX-A,SMCJ,PICOASMDC,LS0504EDD12,SMD2,PXXX0Q22C,GTCX35-XXXM-R05,SMDJ-HR,SMDC,TMOV34S,AHRF,440A,AXGD10603NR,K-SERIES,TPSMC-VR,H-SERIES,SZ1SMB,SZ1SMC,SZ1SMA,219XA,AK20-Y,ITV9550L2030MR,441A,SZ1.5SMC,SP1250-01ETG,C-SERIES,SC1210-01ETG,TB-SERIES,0402L,ITV9550 45A,AHRL,DHB34,FHN26W,AUML,TP6KE,LTKAK3,AQRV05-4HTG,LTKAK2,72R,977,TLP,LTKAK6,AQ15CANA-02HTG,PXXX3AC,SP3205-01ETG,501,3452 SERIES,504,505,506,507,GTCX23-XXXM-R01,508,8.0SMDJ,PXXX3U,100060,100061,100062,122090,100063,100064,100065,PXXX0SX,100066,SC1533-01LTG,SPHV-C,AHS,122093,150318,TS600,150319,150316,150317,150315,AQ3102-02JTG,150312,513,514,100058,100059,2016L,286377,122088,122087,559 SERIES,122083,GTCX26-XXXM-R05,521,523,AK15-Y,100067,526,150322,527,PXXX2SXLH,SL1411A,AK1,AK3,AK6,VTP,422A,SMCJ-HRA,ASMD,C-III,SR70,0805L,860 SERIES,RHEF,SMF3.3,303,304,305,308,35409,35408,35407,35406,TPSMA6L,PXXX2SX,SP724,SP725,SC1115-01UTG,TSL250,LOW RHO,HMOV,SP723,SP720,SP721,312,313,30R,314,556,315,557,559,318,SLD6S,SP1305,SP712,560,562,322,564,324,325,326,328,SLD5S,CX-SERIES,570,571,332,SLD8S,PXXX0SD,576,TRF600,PICOSMDC,3.0SMCJ,SZSMF,LS1205EVD33,SP1326,AQ12CANA-02HTG,340,150307,100,342,FHN20G,344,345,35407 SERIES,348,SMAJ-HRA,150300,AUMOV,LTKAK10,445 SERIES,SC1333-01ETG,RUEF,GTCX25-XXXM-R02,GTCX25-XXXM-R05,LS0502SCD33,111,354,356,52000001009,359,824-20,SP3420,150274,RUSBF,SP1003,SP3422,PXXX0ME,564 SERIES,SP2555NUTG,51900001009,10207101009,520 101,369,SL1122A,571 SERIES,SP1233,AQ2555NUTG,SP1255P,600R,PXXX4UX,WB07B0606LG,370,372,1.5SMC,TLPA,373,1.5SMB,374,SZSMF4L,377,820 SERIES,254 131,PXXX1CX2,SEPXXXXQ38,00300210,SZW200,TP5.0SMDJ,523 SERIES,SP1005,SP1006,CG32.0L,382,AQ1205-01FTG,383,385,35409 SERIES,407A,V14H460AUTO,SMA6L,391,392,CG32.5L,N-SERIES,SMA6J,395,3425L,F-SERIES,154,396,397,398,157,399,159,SC1122-01UT

选型指南  -  LITTELFUSE  - v0420  - 0420 PDF 英文 下载

【选型】Littelfuse(力特)保险丝座选型指南

目录- Fuse Characteristics, Terms and Consideration Factors    Fuse Selection Checklist    PTC Characteristics and Terms    PTC Product Applications    Typical PTC Circuit Protection Designs    Fuse Standards    Fuse and PTC Products Selection Guide    Fuse Packaging and Part Numbering   

型号- 1812L,471,230,472,473,232,233,234,235,477,874,875,876,239,877,2016L,461E,485,LORHO,400,157T,369,804,807,808,600R,437 SERIES,USBR,370,251,372,373,494,253,374,2205,SL,0603L,0805L,ST,382,262,383,263,385,265,266,267,268,269,303,429,1210L,LR,LT,391,1206L,392,272,273,274,395,154,275,396,397,398,157,278,399,219XA,279,312,950,313,30R,159,314,435,315,437,438,318,LORHO PTC,160,285,440,250S,441,250R,322,443,202,203,324,VL,325,446,326,447,448,449,208,209,VT,16R,451,452,332,453,154T,454,213,456,215,72R,216,458,60R,217,459,218,977,460,461,220,462,464,465,224,466,225,467,468,501,469,229,505,506,2920L,508

选型指南  -  LITTELFUSE PDF 英文 下载

463 Series NANO2® Fuse Datasheet

型号- 463,463 SERIES,0463030.ER

数据手册  -  LITTELFUSE  - 03/22/24 PDF 英文 下载

TVS在工商业储能BMS中的应用介绍

BMS(电池管理系统)种类众多,储能BMS原本在BMS众多分支中不甚显眼,近年随着储能行业高速发展,市场地位也得到了极大提升。TVS作为一种经济且有效的过压保护器件,在工商业储能BMS中的应用不仅能够提高系统的可靠性,还能增强整体的安全防范措施。

应用方案    发布时间 : 2024-05-16

全品类Littelfuse力特车用电路保护器件:TVS、保险丝、自恢复PTC、压敏电阻

Littelfuse力特是业界车用保护器件种类最齐全的制造商。旗下具有汽车级TVS/TVS阵列、AECQ合规保险丝、汽车级自恢复PTC、汽车级压敏电阻等车用电路保护器件。广泛应用于汽车通信和信息娱乐系统、车载网络系统及车身、底盘与安全系统、先进驾驶辅助系统、传动系统、新能源汽车等。世强是Littelfuse力特官方授权一级分销商,可供应Littelfuse力特车用电路保护器件,库存丰富,价格优惠。

原厂动态    发布时间 : 2018-10-15

BLADE Fuse CARTRIDGE Fuse BOLT DOWN Fuse ZCASE Fuse MASTERFUSE Fuse Selection Chart

型号- 0299***.ZXT,3298***,0888***,4998***.MXISO,153.7011.***,142.5395****,0298***,0891***.NXWS,0695***.PXPS,0898***,0998***.UXISO,0297***.WXNV,0895***.Z,0878450,0899****.Z,0498***.MX1M6-IH,0698***,0998***,0999***.ZXN,153.5395.***,0299***,0327***.YXT2,0695040.PXP-HT,0287***.PXCN,0891***.NXS,0899****.ZXR,0297***.WXT,0498***,4998***,0298***.UXT,142.***,0287***.PXS,0598***,0297***.U,0695***.PXPS-HT,0495***,0891***.U,0327***,153.***.***,0997***.WXN,0695***.PXP,0297***.H,0298***.ZXEH-UL,3998***.ZXM10,0297***.L,0337***,3298***.ZXM10,0891***.H,0298***.***LT

物料清单  -  LITTELFUSE  - 2024/4/27 PDF 英文 下载

如何选择保险丝的额定电流参数?

根据电路的额定工作电流来选择保险丝的额定电流即额定电流=工作电流/0.75。当计算出的值不是规格书中常见的额定电流时,应选择最临近额定值的较高值。

技术问答    发布时间 : 2017-10-10

常见电源拓扑及过流保护器件保险丝产品推荐

本文介绍了电源常见拓扑及相应解决方案,包括单向交错PFC+LLC、双向图腾PFC+LLC等。产品涉及过流保护、雷击浪涌保护、电流检测等,使用TVS、ESD、PTC等器件。最后提到保护器件和功率器件的多样选择,鼓励根据设计需求灵活调整。

技术探讨    发布时间 : 2024-03-04

伊顿BMS电池管理系统解决方案,释放电池潜力保护电池安全,为客户提供一站式BMS系统电子元器件供应

小至电动牙刷中的紧凑型电池,大到电动汽车用大容量电池和超级电容器、关键业务备用电源,以及用于可再生能源和电网能源的大型电池和超级电容器,电池技术为人们带来便捷生活的同时,也在改写着能源格局,进而推动了电池管理系统BMS市场的增长。

应用方案    发布时间 : 2023-12-14

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