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请看附件EN60065的OSM决议（附件是WORD版本，内容跟下面的一样）。! \# |, i: y' Q- y- Z
USB端口如果没有标明5V0.5A的话，在正常和异常测试的时候都要带最大载来测试，这样，正常测试时候的温升很容易超。大家都懂的。。。
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4 o! V7 G# v6 j7 x, @6 s6 vOSM/EE DECISION- B% z3 |+ Z& J# ^1 s/ O1 \
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Standard:
5 f: I J+ E8 |8 {1 o5 d+ J0 nEN 60065: 2002 + A1 + A11 Sub clause:
$ l& S9 g1 S9 Q4.2.6 Sheet No.:
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Subject:
6 `. z$ U% g0 O" P# v8 KUSB Current
+ ^3 J' z6 e9 s7 ^) {4 B Key words:
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Normal Operating Conditions Meeting:
4 s4 [/ q& r- p) S+ \+ ?OSM/EE - 2009 ; G7 E$ W. Y6 ]
1 r6 z+ Y. _0 `: G8 i' N( iItem No. 8.3
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: W/ w0 t- t' `2 r4 [Question:
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1 c# j0 g) [: MIf a product falling in the scope of EN 60065 is fitted with USB sockets, should a current be drawn from these sockets when performing the normal operating conditions heating test? If so, what current loading should be used?3 n3 ~5 O/ o% [$ O' }
G4 i7 s4 a5 V/ w9 y% tDecision:9 ] |. |3 D, f o
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The USB sockets shall be loaded with the maximum possible output power.
1 J2 z& z8 l* {& JExplanatory notes:
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发表于 2012-4-12 09:23
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