[SI-LIST] Re: Analysis about hot-plug
- From: "Chris Cheng" <Chris.Cheng@xxxxxxxxxxxx>
- To: "si-list" <si-list@xxxxxxxxxxxxx>
- Date: Mon, 24 Apr 2006 18:41:25 -0700
Forget about simulating the electrical on your capacitors, simulating =
how your pins mechanically engage or bounce around will be challenging =
enough.=20
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of steve weir
Sent: Monday, April 24, 2006 6:32 PM
To: zhang_kun@xxxxxxxxxx; si-list
Subject: [SI-LIST] Re: Analysis about hot-plug
Zhangkun, it is not a trivial problem. It is affected by the=20
architecture of the power front end, power converters, and the=20
reflected impedance of the load. Many variations are possible.
Your capacitor charge time difference is the result of a hard current=20
limit circuit.
Steve.
At 06:11 PM 4/24/2006, Zhangkun wrote:
>Dear all
>In one of our products, we are doing some test about hot-plug. There=20
>are two kinds of load for the hot-plug, 100uF and 1000uF. The=20
>phenomenon is interesting:
>
> 1.The power fall is about same for the two kinds of load. For=20
> instance, the power fall from 3.30V to 3.19V when the load is plug in.
> 2.The width of the falling waveform are not same. The width of=20
> the falling waveform for 1000uF is about as ten times as that for =
100uF.
>
>Has anybody do the similar test or simulation? How to simulate the=20
>hot-plug problem?
>
>Best Regards
>
>Zhangkun
>2006.4.25
>
>
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=20
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