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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）。! s" t! B% s# Q9 ^2 V. K, u7 N/ k
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 f& u. h" Z8 zOSM/EE DECISION& j/ {# X4 o0 p8 c+ u) S
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; J: I! N) `7 E9 V Q% g2 R! xStandard: 5 ~1 | {1 f! @; u! q0 E
EN 60065: 2002 + A1 + A11 Sub clause:
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Decision 09/021 i5 N8 f: R2 r1 G- M
Page 1 of 1
/ o6 z2 ]& Q3 _8 g0 t9 O/ HSubject:
1 e* t8 u4 {6 j% F, AUSB Current$ Q o" L/ o) Z
Key words:3 \- D8 ?4 @& z P$ O9 ] I$ t8 b
USB
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# [! B( R! p7 S, N/ U5 zNormal Operating Conditions Meeting:6 | Z5 j" e' B* p* q9 e1 j
OSM/EE - 2009
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Item No. 8.3: i, M+ m9 L3 C
7 F; p- I$ w. l! C( e1 A8 e* H, QQuestion: * S* }7 }7 s% K7 [
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If 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?
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Decision:
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/ t) N. q8 D' L' c) @' ^: PThe USB sockets shall be loaded with the maximum possible output power.
* S- U. }1 l4 w+ P$ g" p& ?: QExplanatory notes:
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发表于 2012-4-12 09:23
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