1a, linear lithium battery charger e - cmos corp. ( www.ecmos.com.tw ) page 1 of 9 4 k07 n rev. f001 ec490 23 sop - 8l/sop - 8l(exposed pad ) dfn 2x2 - 6l general description ec49023 ??? ic ? ?????m 1a ? ??m???g? 8v ?n K?? 7v ?l3mm N}s?_??l a???????{? C?????????^ ?{_AO?KO? 1/10 ???? a??????O? r??p??S?? o??r ic ?M???? 2ua o?m??r?? ?? ? ic ???o???p????F ?o??e`?NB ec49023 b? sop - 8l sop - 8l ( e xposed pad) ? dfn 2x2 - 6 l b?x features ? mos ??? 1a Bm? ? ?? 8v 7v 3m ? ??? ? ??hC ic ????? ? ??? ? ?B?? ? MB?? ? ?P ? ??^_? applications ? ?? pda mp3 mp4 ? ???? ? ? ? ??O pin configuration 1 1 2 2 3 3 6 6 5 5 4 4 i s e t g n d v i n v b a t d o n e c h r g ( t o p v i e w )
1a, linear lithium battery charger e - cmos corp. ( www.ecmos.com.tw ) page 2 of 9 4 k07 n rev. f001 ec490 23 pin functions sop - 8l /sop - 8l( ep ) pin num dfn 2x2 - 6 l pin num pin description 1 n/a nc nc 2 1 iset O_b gnd 3 2 gnd gnd 4 3 vin ?? 5 4 vbat ?O 6 5 done ?????b? 7 6 chrg ?????b? 8 n/a en enable ordering information package part number marking marking information sop - 8l ec49023nnm1r 49023 lllll yywwt 1. lllll lot no. 2. yyww date code 3. t internal tracking code sop - 8 (exposed pad) EC49023NNMHR 49023 lllll yywwt dfn2x2 - 6l ec49023nnf1r c tywx 1. y year code 2. w week code 3. x internal tracking code
1a, linear lithium battery charger e - cmos corp. ( www.ecmos.com.tw ) page 3 of 9 4 k07 n rev. f001 ec490 23 absolute maximum rating (t a =25 characteristics rating unit vin to gnd - 0.3 to 8 v iset to gnd - 0. 3 to vin+0.3 v vbat to gnd - 0.3 to 8 v chrg/done to gnd - 0.3 to 8 v vbat pin current 1.5 a iset pin current 1500 ma h? - 40 to +85 c ? - 65 to +125 c application circuit sop - 8l/sop - 8l ( e xposed pad) t n c i s e t g n d v i n e n c h r g d o n e v b a t v i n 1 0 u f 1 k r e d g r e e n l i - i o n
1a, linear lithium battery charger e - cmos corp. ( www.ecmos.com.tw ) page 4 of 9 4 k07 n rev. f001 ec490 23 dfn 2 x2 - 6 l t block diagram i s e t g n d v i n c h r g d o n e v b a t v i n 1 0 u f 1 k r e d g r e e n l i - i o n a m p t a v i n v b a t t r e f 3 . 7 v g a t e c o n t r o l v a 4 . 2 v c a i s e t v r e f t d i e e n d o n e c h r g + + + + - - - -
1a, linear lithium battery charger e - cmos corp. ( www.ecmos.com.tw ) page 5 of 9 4 k07 n rev. f001 ec490 23 electrical characteristics v in = 5 v; t a = 25c; unless otherwise specified . characteristics symbol conditions min typ max units ? v in 4.5 - 7 v i in charge mod e, r iset =10k - 2000 ua C i instb vin 1a, linear lithium battery charger e - cmos corp. ( www.ecmos.com.tw ) page 6 of 9 4 k07 n rev. f001 ec490 23 ?? en ? vin vbat r???B? vin vbat H? en ? vin vbat vinmin r ic ??CB? en ? vin vinmin ? ic ?? vbat ??? vbat ?r ic ??? ibat=100/rset ?? vbat ? vrcg r ic ???? ibat=1000/rset vbat vrcg ? ic c 100/rset M^??r???MCB K? vbat ? vrcg M? o ic _??oc|l??o??P?? ic ^? p? _O esd o ic ? esd o?Hay?^?a ic esd oo?? ic ?p????????? esd p l B?? chrg done _M??B???tB?w led ?F?Br chrg ? done ktG chrg k done ?tG e`Br?_k??r vbat ?t ic ??3 ??rgh??rg?tW qGLF???? application s
1a, linear lithium battery charger e - cmos corp. ( www.ecmos.com.tw ) page 7 of 9 4 k07 n rev. f001 ec490 23 outline drawing dfn2x2 - 6l common dimensions (mm) ref min nom max a 0.70 0.75 0.80 a1 0.00 - 0.05 a2 0.2 ref d 1.95 2.00 2.05 e 1.95 2.00 2.05 d2 1.35 1.50 1.60 e2 0.65 0.80 0.90 l 0.25 0.35 0.45 b 0.25 0.30 0.35 e 0.65 bsc
1a, linear lithium battery charger e - cmos corp. ( www.ecmos.com.tw ) page 8 of 9 4 k07 n rev. f001 ec490 23 outline drawing sop - 8l symbol millimeter inches min nom max min nom max a - - 1.75 - - 0.069 a1 0.1 - 0.25 0.04 - 0.1 a2 1.25 - - 0.049 - - c 0.1 0.2 0.25 0.0075 0.008 0.01 d 4.7 4 .9 5.1 0.185 0.193 0.2 e 3.7 3.9 4.1 0.146 0.154 0.161 h 5.8 6 6.2 0.228 0.236 0.244 l 0.4 - 1.27 0.015 - 0.05 b 0.31 0.41 0.51 0.012 0.016 0.02 e 1.27 bsc 0.050 bsc y - - 0.1 - - 0.004 0 o - 8 o 0 o - 8 o detail a l h e a a 2 a 1 e d 7 ( 4 x ) b y c detail a
1a, linear lithium battery charger e - cmos corp. ( www.ecmos.com.tw ) page 9 of 9 4 k07 n rev. f001 ec490 23 outline drawing sop - 8 l (exposed pad)
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