|
|
请看附件EN60065的OSM决议(附件是WORD版本,内容跟下面的一样)。; I* d. ?; T/ b, i$ X0 e: O
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。。。
. B7 S6 \. C$ `) c v7 q0 b: n% p& M% b( X. o
OSM/EE DECISION
, E' y8 A. @8 ^4 P x4 M8 l" l" }% q. Q @! }" A* V
% z2 v$ R3 s. f8 P+ Q! Y. w3 Q
. D( C" f, a0 K4 dStandard:
/ @: S' x ^; v8 `7 h4 F! @9 J0 {EN 60065: 2002 + A1 + A11 Sub clause: 2 T& O3 y2 K4 I4 t, V/ j
4.2.6 Sheet No.: 5 e( o% N* C4 C
Decision 09/02& h1 P) `/ v5 n0 ~9 n
Page 1 of 1
5 G; n& ^$ y8 x# z& q7 DSubject: 6 f2 `7 {- y% T6 C2 Q' T4 J$ f% a
USB Current
) k! D/ s. l( {8 ?+ E; V! e, \6 X! Z& c Key words:1 S @4 l+ \* S& i9 Q
USB; M% o# W9 u* z
9 b X* _' U3 P: qNormal Operating Conditions Meeting:
8 P7 O& [0 p- p+ N% h4 ~) p# _9 DOSM/EE - 2009 ( {! H& w1 v1 {9 i
$ d/ {' H* } o1 ^/ P7 c$ h4 r! UItem No. 8.3- o) K+ `6 r8 K/ n$ g, y$ r: D1 g
6 Q" P) [* I4 e0 O7 QQuestion:
5 N) a/ r4 g* p$ k% y8 L# c& y; l- I
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?
5 k) o7 ~4 k a- K: S5 ^! b5 G! d+ m, H( B
Decision:
! z7 n& c1 Y# }+ b, W" z1 y6 O$ B( i$ w# v
The USB sockets shall be loaded with the maximum possible output power.! D; ^. E$ n4 {, g7 m, c6 r; l
Explanatory notes:
/ K: _3 f6 s1 a& B1 c j, h! j2 x: i# z( O
/ F7 t5 s" V! K7 j Z
' [: \9 j/ r3 E; Q6 M/ E" l. a2 U
7 f& V& I, E& q
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有账号?注册安规
x
|