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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）。 l7 [; [( v S% E- H
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
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Standard: ) k; ?/ c6 `8 { s9 S! x
EN 60065: 2002 + A1 + A11 Sub clause: & k; j* I; ]' v8 f
4.2.6 Sheet No.:
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USB Current
7 I8 ?$ V' }6 s5 A Key words:
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6 S. a- \2 ^; W3 t, J/ uNormal Operating Conditions Meeting:
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Item No. 8.3
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Question:
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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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- S( y( e3 e5 o& ^Decision:
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4 q# t9 X# e; ]% m3 hThe USB sockets shall be loaded with the maximum possible output power.% e- p; L5 G0 O
Explanatory notes: * }0 [7 m% U; ]. _& N% u3 _$ e
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发表于 2012-4-12 09:23
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