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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)。
# m6 H( A& A4 `5 i0 G! v$ C& ]% sUSB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:
2 H* c9 m2 G; a; \9 V* K8 kEN 60065: 2002 + A1 + A11 Sub clause:
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Decision 09/02
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2 K+ [+ U* C D6 d6 B4 B8 eSubject:
4 k; {9 a# w7 B3 U7 ~" q/ `USB Current
8 E* V& p& U) P; f3 E Key words:
( V! W* a; J5 f) z GUSB' \/ t$ X" s) f# G2 g) B3 j
; v7 [ L, M% u% e, nNormal Operating Conditions Meeting:
! }2 d& ?0 O5 Y2 O5 qOSM/EE - 2009 % s/ b9 G+ W1 d, w9 W5 V* J6 l4 T
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Item No. 8.31 n" _/ A! z9 y' O `( h) l
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Question: : l/ @4 I2 Y% u$ t/ w2 w7 J
, }8 ^3 `, m) `* a/ X% lIf 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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# P8 K7 f/ Y$ ?3 f/ V: |# ADecision:
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\6 M0 Z0 D7 dThe USB sockets shall be loaded with the maximum possible output power./ p/ U# @* @' t6 H& i' ?3 W) X* I
Explanatory notes:
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