ZHCUAH5B December   2015  – August 2021 TPS54A20

 

  1.   TPS54A20EVM-770 10A、SWIFT 稳压器评估模块
  2.   商标
  3. 1引言
    1. 1.1 准备工作
    2. 1.2 背景
    3. 1.3 性能规格汇总
    4. 1.4 更改
      1. 1.4.1 输出电压设定点
      2. 1.4.2 导通时间
      3. 1.4.3 可调节 UVLO
  4. 2测试设置和结果
    1. 2.1  输入/输出连接
    2. 2.2  效率
    3. 2.3  输出电压负载调整率
    4. 2.4  输出电压线性调整率
    5. 2.5  负载瞬态
    6. 2.6  环路特性
    7. 2.7  输出电压纹波
    8. 2.8  输入电压纹波
    9. 2.9  上电
    10. 2.10 热像图
  5. 3电路板布局
    1. 3.1 布局
  6. 4示意图和物料清单
    1. 4.1 原理图
    2. 4.2 物料清单
  7. 5修订历史记录

物料清单

表 4-1 列出了 TPS54A20EVM-770 的物料清单。

表 4-1 TPS54A20EVM-770 物料清单
标识符数量说明封装器件型号制造商
PCB1印刷电路板PWR770不限
C1, C2210µF电容,陶瓷,10µF,25V,+/-20%,X5R,06030603C1608X5R1E106M080ACTDK
C311uF电容,陶瓷,1μF,16V,+/-10%,X7R,06030603C1608X7R1C105K080ACTDK
C411uF电容,陶瓷,1μF,10V,+/-10%,X5R,04020402GRM155R61A105KE15DMurata
C5、C720.047uF电容,陶瓷,0.047μF,10V,+/-10%,X5R,04020402C1005X5R1A473K050BATDK
C612.2uF电容,陶瓷,2.2µF,16V,+/-10%,X7R,12061206GRM31MR71C225KA35LMuRata
C8122pF电容,陶瓷,22pF,50V,+/-5%,C0G/NP0,0603060306035A220JAT2AAVX
C9、C10247µF电容,陶瓷,47μF,10V,+/-20%,X5R,08050805GRM21BR61A476ME15MuRata
C24122uF电容,陶瓷,22µF,35V,+/-20%,X5R,08050805C2012X5R1V226M125ACTDK
J1,J42端子块,5.08mm,2x1,黄铜,TH2x1 5.08mm 端子块ED120/2DSOn-Shore Technology
J2,J32接头,100mil,2x1,镀金,TH接头,100mil,2x1,THHTSW-102-07-G-SSamtec
L1、L22220nH电感器,220nH,7.2A,0.0075Ω,SMD3.2x2.5mmMLA-FY12NR22N-M3-RUMAG 板层
Q1130VMOSFET,N 沟道,30V,65A,DQJ0008A (VSONP-8)DQJ0008ACSD17527Q5A米6体育平台手机版_好二三四 (TI)
R2180.6k电阻,80.6k,1%,0.1W,06030603CRCW060380K6FKEAVishay-Dale
R3112.4k电阻,12.4k,1%,0.1W,06030603CRCW060312K4FKEAVishay-Dale
R5122.1k电阻,22.1k,1%,0.1W,06030603RC0603FR-0722K1LYageo America
R6147.5k电阻,47.5k,1%,0.1W,06030603RC0603FR-0747K5LYageo America
R7114.3kΩ电阻,14.3kΩ,1%,0.1W,06030603CRCW060314K3FKEAVishay-Dale
R813.32k电阻,3.32kΩ,1%,0.1W,06030603CRCW06033K32FKEAVishay-Dale
R9120.0k电阻,20.0kΩ,1%,0.1W,06030603CRCW060320K0FKEAVishay-Dale
R1010电阻,0,5%,0.1W,06030603ERJ-3GEY0R00VPanasonic
R11151.1电阻,51.1,0.1%,0.1W,06030603RT0603BRD0751R1LYageo America
R12,R1320.02电阻,0.02,1%,3W,25122512CRA2512-FZ-R020ELFBourns
SH-J111x2分流器,100mil,镀金,黑色分流器SNT-100-BK-GSamtec
TP1、TP7、TP113测试点,多用途,红色,TH红色多用途测试点5010Keystone
TP2、TP8、TP10、TP12、TP135测试点,多用途,黑色,TH黑色多用途测试点5011Keystone
TP31测试点,多用途,蓝色,TH蓝色多用途测试点5127Keystone
TP41测试点,通用,橙色,TH橙色通用测试点5013Keystone
TP51测试点,通用,黄色,TH黄色多用途测试点5014Keystone
TP61测试点,通用,棕色,TH棕色通用测试点5125Keystone
TP91测试点,多用途,白色,TH白色通用测试点5012Keystone
U11小尺寸、10MHz 10A、8V 至 14V 输入,SWIFT 系列电容器降压转换器,RNJ0020A (VQFN-HR-20)RNJ0020ATPS54A20RNJR米6体育平台手机版_好二三四 (TI)
C11、C120100µF电容,陶瓷,100μF,6.3V,+/-20%,X5R,12061206JMK316BJ107ML-TTaiyo Yuden
C22、C23047µF电容,陶瓷,47μF,25V,+/-20%,X5R,1206_1901206_190C3216X5R1E476M160ACTDK
R1047.0k电阻,47.0kΩ,1%,0.1W,06030603RC0603FR-0747KLYageo America
R4022.1k电阻,22.1k,1%,0.1W,06030603RC0603FR-0722K1LYageo America