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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）。! h" j2 G" y1 E7 {
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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" j. I) M2 z0 O( [0 P# O( WOSM/EE DECISION. l. m" N* S9 F( n% z E
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Standard:
% @3 N# q& t6 g pEN 60065: 2002 + A1 + A11 Sub clause:
6 H4 N. M- T0 h2 X6 f3 k! J' t4.2.6 Sheet No.:
3 q h4 ?- H2 ?3 N" L" ZDecision 09/02
& [# Q3 W+ a3 g% e) `2 IPage 1 of 1! O0 n0 ^, D' r" C4 j
Subject:
' f3 ?0 X c5 c: P( _; M' VUSB Current. W2 }3 d; \/ @
Key words:
' s* {+ O6 A& j" a9 ]6 g4 a @2 P1 pUSB R7 ]( L/ t8 b* p* `0 z
. }6 y, Z6 E2 p) y( uNormal Operating Conditions Meeting:8 U1 _5 A. L1 R3 q {
OSM/EE - 2009 - b2 z, P3 O! w$ R6 v
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Item No. 8.3
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0 A) w0 o1 z4 l: tQuestion:
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/ @ E1 u$ h# uIf 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?6 Q. l# Y( ?6 _# x5 J9 W& W2 ^, ~
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Decision:
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5 p1 R2 {% A/ Z2 ^The USB sockets shall be loaded with the maximum possible output power.
+ ]4 c; M% x- |Explanatory notes: * t$ J( a' K' c2 J8 F
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发表于 2012-4-12 09:23
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