ZHCU989 February   2022 LM5149-Q1

 

  1.   LM5149-Q1 评估模块
  2.   商标
  3. 1高密度 EVM 说明
    1. 1.1 典型应用
    2. 1.2 特性和电气性能
  4. 2EVM 特性
  5. 3应用电路图
  6. 4EVM 照片
  7. 5测试装置和过程
    1. 5.1 EVM 连接
    2. 5.2 测试设备
    3. 5.3 建议的测试设置
      1. 5.3.1 输入连接
      2. 5.3.2 输出连接
    4. 5.4 测试步骤
      1. 5.4.1 线路和负载调节,效率
  8. 6测试数据和性能曲线
    1. 6.1 转换效率
    2. 6.2 工作波形
      1. 6.2.1 开关
      2. 6.2.2 负载瞬态响应
      3. 6.2.3 线路瞬态响应
      4. 6.2.4 通过 EN 启动和关断
      5. 6.2.5 通过 VIN 启动和关断
    3. 6.3 波特图
    4. 6.4 CISPR 25 EMI 性能
    5. 6.5 热性能
  9. 7EVM 文档
    1. 7.1 原理图
    2. 7.2 物料清单
    3. 7.3 PCB 布局
    4. 7.4 元件图
  10. 8器件和文档支持
    1. 8.1 器件支持
      1. 8.1.1 开发支持
    2. 8.2 文档支持
      1. 8.2.1 相关文档
        1. 8.2.1.1 PCB 布局资源
        2. 8.2.1.2 热设计资源

物料清单

表 7-1 物料清单
数量参考标识符 说明器件型号制造商
2C1、C7电容器,陶瓷,0.1μF,100V,X7R,0603,AEC-Q200GCJ188R72A104KA01DMurata(村田)
1C2电容器,陶瓷,1000pF,100V,X7R,0402,AEC-Q200GRM155R72A102KA01DMurata(村田)
1C3电容器,陶瓷,0.47μF,100V,X7R,0805,AEC-Q200CGA4J3X7S2A474K125ABTDK
3C4、C8、C9电容器,陶瓷,0.01μF,100V,X7R,0603,AEC-Q200GCM188R72A103KA37JMurata(村田)
1 C6 电容器,陶瓷,0.22μF,100V,X7R,0603,AEC-Q200 HMK107C7224KAHTE Taiyo Yuden(太阳诱电)
2C10、C11电容器,陶瓷,1μF,100V,X7R,0805,AEC-Q20008051C105K4Z2AAVX
1C12电容器,铝,100µF,100V,0.33Ω,AEC-Q200EMVY101ARA101MKE0SUnited Chemi-Con
5C13、C14、C15、C16、C42电容器,陶瓷,4.7μF,100V,X7S,1210,AEC-Q200CGA6M3X7S2A475K200ABTDK
GCM32DC72A475KE02LMurata(村田)
6C17、C18、C19、C20、C21、C22电容器,陶瓷,0.01μF,100V,X7S,0402,AEC-Q200CGA2B3X7S2A103K050BBTDK
1C23电容器,陶瓷,4.7μF,25V,X7R,0805,AEC-Q200CGA4J1X7R1E475K125ACTDK
1C24电容器,陶瓷,0.1µF,10V,X7R,0402,AEC-Q200StdStd
1C25电容器,陶瓷,4.7μF,10V,X7R,0603GRM188Z71A475ME15DMurata(村田)
1C26电容器,陶瓷,0.47μF,50V,X7R,0805,AEC-Q200GCM21BR71H474KA55LMurata(村田)
1 C27 电容器,陶瓷,0.1μF,50V,X7R,0402,AEC-Q200 CGA2B3X7R1H104K050BB TDK
4C28、C29、C30、C31电容器,陶瓷,22μF,25V,X7R,1210GRM32ER71E226KE15LMurata(村田)
1C32电容器,陶瓷,0.1μF,50V,X7R,0603C0603C104K5RAC-TUKEMET(基美)
1C34电容器,陶瓷,33pF,50V,C0G/NP0,0402,AEC-Q200GCM1555C1H330JA16DMurata(村田)
1C35电容器,陶瓷,100pF,50V,C0G/NP0,0402,AEC-Q200CGA2B2C0G1H101J050BATDK
1C37电容器,陶瓷,6800pF,50V,X7R,0402GCM155R71H682KA55DMurata(村田)
2J1、J3端子块,2 针位,5mm,THStdStd
1J2接头,100mil,13 × 1,Au,THStdStd
1L1电感器,1μH,8.2mΩ(典型值),6.3A,4mm × 4mm × 2.1mm(典型值),AEC-Q200XGL4020-102MEBCoilcraft(线艺)
1 L2 共模扼流圈,700Ω(在 100MHz 时),4A,15mΩ,7.0mm × 6.0mm × 3.8mm(典型值),AEC-Q200 CM7060P701R-10 Laird(莱尔德)
1L3电感器,6.8μH,12mΩ,13.3A,10.85mm × 10mm × 5.2mm(典型值),AEC-Q200VCHA105D-6R8MS6Cyntec(乾坤科技)
电感器,6.8μH,13.3mΩ,21.4A,10.5mm × 10mm × 6.5mm(典型值),AEC-Q200SPM10065VT-6R8M-DTDK
1Q1MOSFET,N 沟道,80V,19.5mΩ,12nC,SON 5 × 6,AEC-Q101NVMFS6H858NLT1GOnsemi(安森美)
1 Q2 MOSFET,N 沟道,80V,8.8mΩ,25nC,SON 5 × 6,AEC-Q101 NVMFS6H848NLT1G Onsemi(安森美)
1R1电阻器,贴片,15Ω,1/16W,1%,0402StdStd
1R2电阻器,贴片,0.47Ω,1/10W,5%,0603StdStd
1R3电阻器,贴片,0Ω,1/8W,1%,0805StdStd
1R4电阻器,贴片,1kΩ,1/16W,1%,0402StdStd
1R5电阻器,贴片,49.9kΩ,1/16W,1%,0402StdStd
1R6电阻器,贴片,3.32Ω,1/16W,1%,0402StdStd
1R7电阻器,贴片,100kΩ,1/10W,1%,0603StdStd
1R8电阻器,贴片,22.1kΩ,1/16W,1%,0402StdStd
1R9电阻器,贴片,0Ω,1/5W,1%,0402StdStd
1R11电阻器,贴片,5mΩ,1W,1%,0508,AEC-Q200KRL2012E-M-R005-F-T5Susumu(进工业)
2 R12、R20 电阻器,贴片,100kΩ,1/16W,1%,0402 Std Std
1R13电阻器,贴片,56.2kΩ,1/16W,1%,0402StdStd
2R16、R17电阻器,贴片,49.9Ω,1/16W,1%,0402StdStd
1R18电阻器,贴片,4.75kΩ,1/16W,1%,0402StdStd
1R19电阻器,贴片,41.2kΩ,1/16W,1%,0402StdStd
1R22电阻器,贴片,7.15kΩ,1/16W,1%,0402StdStd
4TP1、TP2、TP3、TP4测试点,微型,SMT5019Keystone
1U1IC,LM5149-Q1,80V 同步降压控制器,VQFN-24LM5149QRGYRQ1TI
1PCB1PCB,FR4,6 层,2oz,83mm x 43mmPCB