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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）。% Y% v' L; q% _9 S) `3 Q
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。。。3 G; G1 F$ @; x) i. Y
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OSM/EE DECISION) V4 j. M' u, @7 _6 n7 H4 y# m
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( W$ a; k* m9 T: LStandard:
. O( t# D' k" p1 R5 uEN 60065: 2002 + A1 + A11 Sub clause:
3 ]8 q/ n& Y7 L# n# K8 N1 F4.2.6 Sheet No.: 5 L$ G7 k+ Z! F
Decision 09/021 Z+ M# Q- U" \! a& e$ Q
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Subject: 3 ]) U$ @1 S8 `0 T# t. {
USB Current6 I3 l. O# Q' y4 L
Key words:
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2 n S3 O0 Q/ ^9 D3 {Normal Operating Conditions Meeting:
4 j/ B: _, ~. nOSM/EE - 2009
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1 L$ D$ E& o0 E$ kItem No. 8.3
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4 ]; A$ e: m( n) [Question:
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; X- E8 ]0 f* C+ @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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/ b% n0 |8 G B) fDecision:
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The USB sockets shall be loaded with the maximum possible output power.* D+ k1 [5 E8 L: ~
Explanatory notes: / y) X9 t. m* ~
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发表于 2012-4-12 09:23
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