ZHCUB52A december   2022  – june 2023 LM74900-Q1

 

  1.   1
  2.   摘要
  3.   商标
  4. 1引言
    1. 1.1 EVM 特性
    2. 1.2 EVM 应用
  5. 2说明
  6. 3原理图
  7. 4一般配置
    1. 4.1 物理访问
    2. 4.2 测试设备和设置
      1. 4.2.1 电源
      2. 4.2.2 仪表
      3. 4.2.3 示波器
      4. 4.2.4 负载
  8. 5测试设置和过程
    1. 5.1 通过 EN 控制实现上电和断电
    2. 5.2 输入过压测试
    3. 5.3 过流保护测试
    4. 5.4 输出热短接测试
  9. 6评估板装配图
    1. 6.1 PCB 制图
  10. 7物料清单 (BOM)
  11. 8修订历史记录

物料清单 (BOM)

表 7-1 列出了 EVM 物料清单。

表 7-1 LM74900Q1EVM 物料清单
标识符数量说明封装参考器件型号制造商
!PCB11印刷电路板PSIL246不限
C110.1uF电容,陶瓷,0.1uF,25V,+/-10%,X7R,AEC-Q200 1 级,0603603CGA3E2X7R1E104K080AATDK
C2、C820.1µF电容,陶瓷,0.1µF,100V,+/- 10%,X7R,AEC-Q200 1 级,0603603HMK107B7104KAHTTaiyo Yuden
C313300pF电容,陶瓷,3300pF,50V,+/-10%,X7R,0603603C0603C332K5RACTUKemet
C410.01uF电容,陶瓷,0.01uF,50V,+/-10%,X7R,0603603C0603X103K5RACTUKemet
C512.2uF电容,陶瓷,2.2μF,100V,+/-10%,X7R,12101210C1210C225K1RACTUKemet
C610.01uF电容,陶瓷,0.01µF,100V,+/-10%,X7R,AEC-Q200 1 级,0603603CGA3E2X7R2A103K080AATDK
C910.068uF电容,陶瓷,0.068µF,100V,+/-10%,X7R,0805805C0805C683K1RACTUKemet
C101100uF电容,铝,100uF,63V,+/-20%,AEC-Q200 2 级,THTH,2 引线,封装 10mm x 12.5mm,引脚间距 5mmELXZ630ELL101MJC5SChemi-Con
C1210.68uF电容,陶瓷,0.68µF,50V,+/-10%,X7R,0805805C0805C684K5RACTUKemet
C1310.022uF电容,陶瓷,0.022uF,25V,+/-10%,X7R,0603603C0603C223K3RACTUKemet
D1133V二极管,TVS,双向,33V,SMBSMBSMBJ33CA-13-FDiodes Inc.
D51绿色LED,绿光,SMD1.6x0.8x0.8mmLTST-C190GKTLite-On
D61红色LED,红色,SMD红色 0805 LEDLTST-C170KRKTLite-On
H1、H2、H3、H44机械螺钉,圆头,#4-40 x 1/4,尼龙,飞利浦盘形头螺钉NY PMS 440 0025 PHB&F Fastener Supply
H5、H6、H7、H84六角螺柱,0.5"L #4-40,尼龙螺柱1902CKeystone
J1、J2、J3、J4、J95标准香蕉插头,非绝缘,8.9mmKeystone575-8575-8Keystone
J5、J6、J8、J134接头,100mil,3x1,锡,TH接头,3 引脚,100mil,锡PEC03SAANSullins Connector Solutions
J71接头,100mil,2x1,锡,TH接头,2 引脚,100mil,锡PEC02SAANSullins Connector Solutions
J10、J112接头,100mil,3x2,锡,TH3x2 接头PEC03DAANSullins Connector Solutions
J121接头,100mil,2x2,锡,TH接头,2x2,2.54mm,THPEC02DAANSullins Connector Solutions
Q3、Q42MOSFET N 沟道 60V 16A (Ta),104A (Tc) 3.1W (Ta),136W (Tc) 表面贴装,可湿性侧面 8-PDFNU (5x6)PDFN56UTQM050NB06CR RLGTaiwan Semiconductor
R210.001电阻,0.001,1%,1W,12061206WSLP12061L000FEAVishay-Dale
R3、R4250电阻,50,1%,0.1W,AEC-Q200 0 级,0603603CRCW060350R0FKEAVishay-Dale
R5112k电阻,12k,5%,0.1W,AEC-Q200 0 级,0603603CRCW060312K0JNEAVishay-Dale
R61100电阻,100,5%,0.1W,AEC-Q200 0 级,0603603CRCW0603100RJNEAVishay-Dale
R8、R9、R13、R24、R25、R2660电阻,0,5%,0.1W,AEC-Q200 0 级,0603603ERJ-3GEY0R00VPanasonic
R10、R15、R173100k电阻,100k,1%,0.1W,AEC-Q200 0 级,0603603CRCW0603100KFKEAVishay-Dale
R11、R12、R23310.0k电阻,10.0k,1%,0.1W,AEC-Q200 0 级,0603603RMCF0603FT10K0Stackpole Electronics Inc
R1411.65k电阻,1.65k,1%,0.1W,AEC-Q200 0 级,0603603CRCW06031K65FKEAVishay-Dale
R16111.5k电阻,11.5k,1%,0.1W,AEC-Q200 0 级,0603603CRCW060311K5FKEAVishay-Dale
R1810电阻,0,5%,0.1W,0603603ERJ-3GEY0R00VPanasonic
R191120k电阻,120kΩ,1%,0.1W,0603603RC0603FR-07120KLYageo
R20160.4k电阻,60.4kΩ,1%,0.1W,0603603RC0603FR-0760K4LYageo
R21130.1k电阻,30.1k,1%,0.1W,0603603RC0603FR-0730K1LYageo
R22115.4k电阻,15.4kΩ,1%,0.1W,0603603RC0603FR-0715K4LYageo
SH1、SH2、SH3、SH4、SH5、SH6、SH7、SH881x2分流器,100mil,镀金,黑色分流器SNT-100-BK-GSamtec
TP1、TP2、TP3、TP44测试点有插槽,0.118",TH测试点,TH 插槽测试点1040Keystone
TP5、TP6、TP7、TP8、TP9、TP10、TP11、TP12、TP139测试点,微型,橙色,TH橙色微型测试点5003Keystone
TP141测试点,微型,黑色,TH黑色微型测试点5001Keystone
U11具有断路器、欠压和过压保护以及故障输出功能的理想二极管VQFN24LM74910-Q1米6体育平台手机版_好二三四 (TI)
C70330 pF电容,陶瓷,330pF,50V,+/-10%,X7R,0402402GRM155R71H331KA01DMurata
C110220μF电容,铝,220µF,63V,+/-20%,0.16Ω,AEC-Q200 2 级,SMDSMT 径向引线 H13EEV-FK1J221QPanasonic
C1501uF电容,陶瓷,1µF,100V,+/-10%,X7R,AEC-Q200 1 级,12061206GCM31CR72A105KA03MuRata
D2070V二极管,肖特基,70V,1A,SMASMAB170-13-FDiodes Inc.
D3033V二极管,TVS,单向,33V,53.3Vc,SMBSMBSMBJ33A-13-FDiodes Inc.
D4016V二极管,TVS,单向,16V,26Vc,SMBSMBSMBJ16A-13-FDiodes Inc.
FID1、FID2、FID3、FID4、FID5、FID60基准标记。没有需要购买或安装的元件。不适用不适用不适用
L201uH电感,屏蔽,复合,1µH,43.5A,0.001Ω,SMD电感,11.3x10x10mmXAL1010-102MEBCoilcraft
Q1、Q20MOSFET N 沟道 60V 16A (Ta),104A (Tc) 3.1W (Ta),136W (Tc) 表面贴装,可湿性侧面 8-PDFNU (5x6)PDFN56UTQM050NB06CR RLGTaiwan Semiconductor
R100.001电阻,0.001,1%,1W,12061206WSLP12061L000FEAVishay-Dale
R70200电阻,200,5%,0.25W,AEC-Q200 0 级,12061206CRCW1206200RJNEAVishay-Dale