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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)。0 l2 s, ]# G7 P$ k; x/ b' ~
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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1 X- F! S! I; Y2 y, YOSM/EE DECISION9 v, f" r% \+ Q6 Y" Z
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Standard:
7 w' ^6 K; b- B9 uEN 60065: 2002 + A1 + A11 Sub clause: ) ~& Y4 d1 d0 w( Q) P- T% r
4.2.6 Sheet No.:
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Page 1 of 1
6 U9 d) [- J; E4 ^- ]Subject: - T0 ^2 k4 g' x: e
USB Current3 G% o9 C+ _2 R- P& u9 A
Key words:7 A, F, {9 `$ g
USB
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Normal Operating Conditions Meeting:
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8 U% K: E& I1 `6 t" e9 Y+ f1 dItem No. 8.3$ W, o& d* f5 O8 {' M* }; b
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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?! @; x) C: S9 f# U( x" H9 U, e
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The USB sockets shall be loaded with the maximum possible output power., _0 P: i7 X1 o5 Y2 }+ `) r
Explanatory notes:
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