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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）。6 `, {: P& q, l1 R" \
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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OSM/EE DECISION ~% x# @: ~- d. p
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Standard: 9 N: Y! Q8 M- D* [" a, h$ ?: _
EN 60065: 2002 + A1 + A11 Sub clause:
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Page 1 of 1
" Q r$ F3 Y6 y8 I% BSubject:
, i( O' _% H# ^ }- fUSB Current
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USB
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+ E! I* r) G' H3 O2 ?7 D2 lNormal Operating Conditions Meeting:5 l8 n! \; n- `" p9 L
OSM/EE - 2009
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Item No. 8.3
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" R8 a7 `1 X5 n* A- S) ?5 NQuestion: ) @+ Y7 L( G, F
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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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. W5 }' ?, w: a8 \4 HDecision:% w4 ^( Y y( s& c' n
8 P8 t+ k' {5 D* wThe USB sockets shall be loaded with the maximum possible output power.
: N5 J1 S3 W+ Q! V [# eExplanatory notes: 7 n" c0 y( |5 G; x
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发表于 2012-4-12 09:23
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