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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）。+ b* [% I2 T$ d( _, p+ `" D* ]% S
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。。。2 L* ^9 C# p% C- _4 i: k* ?" ?
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OSM/EE DECISION" C* _8 k: q0 j: V
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4 T- p. P8 R9 f5 X) m: I+ |' k8 WStandard: % _# v. _! y; ]
EN 60065: 2002 + A1 + A11 Sub clause: % O |$ D: K' t# a/ {
4.2.6 Sheet No.:
, q( J( j1 m! U$ rDecision 09/02
& L2 p; \& G6 r- [3 YPage 1 of 12 J; t4 g, W# H: f" t
Subject:
# ]* T* e ]0 a% @! s$ Y+ }USB Current2 Z* l% w9 o7 N7 @: |5 e' y$ M$ f) n
Key words:
% C, _8 C9 d" ?$ {9 K- nUSB
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. z8 f. e7 w8 U* i: }Normal Operating Conditions Meeting:
5 Z: k, f1 l* M& e ZOSM/EE - 2009 6 ^9 I, @. D9 h1 L
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Item No. 8.3
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Question:
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/ M# B, s* l1 |: V# QIf 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 V* n6 W% M- [
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Decision:
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& [0 y$ T1 P# U7 G7 MThe USB sockets shall be loaded with the maximum possible output power.
( c: ]5 z, ^0 R" x+ e$ CExplanatory notes:
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发表于 2012-4-12 09:23
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