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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)。
% l. K/ o5 y6 o8 U5 {) Q, zUSB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。。。7 n1 ]& q6 f9 |7 s# V
6 l. A3 k' m. ~OSM/EE DECISION+ P/ O0 L' \/ v
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. X$ _( m" X, oStandard:
9 s" C( Y# |* `% m" L+ z% [EN 60065: 2002 + A1 + A11 Sub clause: 6 L, M* v( ?! |
4.2.6 Sheet No.: ! m- |: k" p' M y' ]! F" W. s
Decision 09/02
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% X' D8 \. k& a8 ^) d$ ?Subject: 1 w0 E5 k# l# C' H8 N( ^/ |7 _$ l
USB Current
3 S, b; w* n0 Q$ q* K" y Key words:7 o* r- f% f. a9 Y, [. I- w
USB
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Normal Operating Conditions Meeting:
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1 h6 M; S# I6 _9 W! y: A! g! aItem No. 8.3
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Question: 4 v7 \1 R# F4 f& i3 e
7 t: P; U: D' z1 Q! M# OIf 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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# J w5 g% y3 _8 U) z( LDecision:+ t0 V) z) H1 g, J" b
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The USB sockets shall be loaded with the maximum possible output power.3 v( p/ a3 e& c
Explanatory notes: 9 Z: _' o3 }: v; [/ A, f0 ?7 I9 c6 y
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