Atomic Pi 之前压降没关心,今天调过来,发现有电流声 - V2EX
V2EX = way to explore
V2EX 是一个关于分享和探索的地方
Sign Up Now
For Existing Member  Sign In
input2output

Atomic Pi 之前压降没关心,今天调过来,发现有电流声

  •  
  •   input2output Jan 31, 2020 1409 views
    This topic created in 2280 days ago, the information mentioned may be changed or developed.

    简图

    注:电压均表示对地电压

    之前 Vin = 5.00V ,测得 Vcc = 4.63V 的样子,没有太在意,能正常运行

    今天 Reddit 看到一篇关于树莓派电源供应帖子,然后心血来潮,在 Atomic Pi 开机时慢慢将 Vin 调高,直到 Vcc = 4.91V 的样子

    然而不知为何,我的 Atomic Pi 现在时不时发出嘶~的电流声,有时还伴随着呜~的电流声,正常运行;重启后电流声仍存在

    所以请教一下大家我该怎么做,感谢

    5 replies    2020-01-31 17:13:55 +08:00
    input2output
        1
    input2output  
    OP
       Jan 31, 2020
    顺便问一下,这对稳定性和寿命会有影响吗
    loading
        2
    loading  
       Jan 31, 2020 via Android   1
    电感啸叫声吧,没啥事,既然较低电压就能跑,加压干啥。
    input2output
        3
    input2output  
    OP
       Jan 31, 2020
    @loading #2 之前出现过不知道为何自动关机的情况,自己猜测是电压不够,于是就加压,然后。。。它就开始乱叫了
    loading     4
    loading  
       Jan 31, 2020 via Android
    你搜索一下电感啸叫,听一下是不是那个声。
    input2output
        5
    input2output  
    OP
       Jan 31, 2020
    @loading #4 确实差不多;之前我用 NE555 做 Boost Converter 的时候电感也是那个音色
    About     Help     Advertise     Blog     API     FAQ     Solana     1193 Online   Highest 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 28ms UTC 23:18 PVG 07:18 LAX 16:18 JFK 19:18
    Do have faith in what you're doing.
    ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86