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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)。
2 F4 Q8 O$ S `* J( |1 jUSB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。。。, z8 m5 p8 g0 |$ r- T! H# S& j
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OSM/EE DECISION
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) i1 n+ J* i$ P% `Standard: 8 v! V5 h2 N4 C/ F9 t! G3 W" Y9 _
EN 60065: 2002 + A1 + A11 Sub clause:
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Decision 09/02
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Subject:
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' A# h: E6 L8 w4 H Key words:
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8 o" l' K$ G. K2 f, wNormal Operating Conditions Meeting:
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+ _2 P$ { U$ D' b4 Q# wItem No. 8.3
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1 v- ^ i0 l9 f4 |& M3 YQuestion: 5 U/ Q$ M3 N6 h) ^
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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?! F+ n/ b) X# ^7 J& R) r1 b1 \2 U
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The USB sockets shall be loaded with the maximum possible output power.1 y, j5 m; ?, h
Explanatory notes:
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