4 j) o+ S$ l# {0 h根据A2 of EN 60065: marked with - the nominal output voltage; and , V5 n# ?+ ~ W W: V- the maximum output current or power 1 j! W+ d a7 R3 F4 T如果没有标出这些,将会按照做大负载做测试,输入功率和温升限制按照normal状态判定。 3 h! f' }7 v" U# l: o% o" \0 j1 e其实在EN 60065 clause 5.2 C)已经提到输出端子要求marked with the nominal output voltage and, in addition, the maximum output current, 如果没有标出这些,将会按照最大负载做测试,同时按照table 3 温升限制判定,只是没有明确出是normal or single fault.作者: xuxuxu 时间: 2012-4-12 12:48
请看附件EN60065的OSM决议(附件是WORD版本,内容跟下面的一样)。2 H5 U3 c$ ]) p- ~9 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。。。 2 Q) a' p& v# r2 X. d6 P$ f) V8 r% Y" S9 J
OSM/EE DECISION 2 B: t) W5 x- ?, n $ s9 f( s. h5 F1 ?9 k* W: p6 g* s; X/ W
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Standard: 1 E$ a2 q2 Z' J/ h# b
EN 60065: 2002 + A1 + A11 Sub clause: # D/ i% ]9 X3 `5 k, S4 h
4.2.6 Sheet No.: ! i( K6 o& S0 v t, M1 o
Decision 09/02 1 E! S. Q' d- w1 o9 s$ {2 y) _+ a" z3 CPage 1 of 1, S7 ]* A+ B' O" [4 j6 }
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USB Current * z C' h# c& z$ z Key words: 5 ]) Y- n! \4 q( D# {& p; u. eUSB6 u3 j, H$ Y8 e9 H; d
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Normal Operating Conditions Meeting: 4 u# {+ S; e4 EOSM/EE - 2009 " ?3 _+ T/ e( b4 M
: I3 V9 Y6 i6 @Item No. 8.36 |$ A, i) U. M& j5 B# O2 H
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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?( e: x6 [8 M- O7 F, D P: K0 B
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The USB sockets shall be loaded with the maximum possible output power.- N/ O: E% Z# y5 R) n
Explanatory notes: # b; d: {1 v7 P3 {( g# a
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