data brief for further information contact your local stmicroelectronics sales office. june 2008 rev 1 1/6 6 STEVAL-ISA033V1 55 w flyback smps demonstration board for alarm system based on the l5991 and stp12nk80z features input voltage: ? vin: 88 - 300 vac (f: 50-60 hz) output voltages: ? vout1 = 13.8 v, iout1 = 3 a ? vout2 = 25 v, iout2= 200 ma ? vout3 = 3.8 v, iout3 = 350 ma (1.9 a peak) output signals: ?ac input check ? low battery check description this demonstration board is a multi-output smps which can be used to supply an alarm system. the circuit is composed of an ac-dc single output converter with an approximate power capability of 60 w, while the other outputs are obtained by means of dc-dc converters. the power supply also integrates a battery charger circuit in order to charge a standard sla 12 v battery. STEVAL-ISA033V1 www.st.com
circuit schematic STEVAL-ISA033V1 2/6 1 circuit schematic figure 1. schematic diagram 1/3 + 1 3 . 8 v f f n + + 1 1 3 3 . . 8 8 v v 1 3 . 8 v a a c c _ _ s s i i g g n n a a l l p g n d p p g g n n d d c 2 2 n . c . c c 2 2 2 2 n n . . c c . . f 1 f u s e f f 1 1 f f u u s s e e r 7 1 5 k r r 7 7 1 1 5 5 k k c 6 2 . 2 n c c 6 6 2 2 . . 2 2 n n - + d 1 d i o d e b r i d g e - + d 1 d i o d e b r i d g e 3 1 2 4 c 9 3 3 0 u f - 2 5 v c c 9 9 3 3 3 3 0 0 u u f f - - 2 2 5 5 v v r 1 9 4 7 k r r 1 1 9 9 4 4 7 7 k k d 5 1 n 4 1 4 8 d d 5 5 1 1 n n 4 4 1 1 4 4 8 8 r 1 2 1 k r r 1 1 2 2 1 1 k k d 2 s t t h 1 0 6 d d 2 2 s s t t t t h h 1 1 0 0 6 6 r 4 6 2 2 0 r r r 4 4 6 6 2 2 2 2 0 0 r r c 2 1 1 n c c 2 2 1 1 1 1 n n r 3 n . c . r r 3 3 n n . . c c . . t n t c 1 6 o h m t n t c 1 6 o h m r r 8 8 1 1 k k r 8 1 k j j 2 2 2 2 c c o o n n 2 2 j 2 2 c o n 2 1 2 2 q 2 b c 3 3 7 q q 2 2 b b c c 3 3 3 3 7 7 r 2 1 5 k r r 2 2 1 1 5 5 k k r 9 2 . 7 k r r 9 9 2 2 . . 7 7 k k c 1 1 1 u c c 1 1 1 1 1 1 u u c 1 4 2 7 0 n c c 1 1 4 4 2 2 7 7 0 0 n n r 2 1 2 7 k r r 2 2 1 1 2 2 7 7 k k c 3 8 3 3 0 u c c 3 3 8 8 3 3 3 3 0 0 u u r 1 4 2 2 r r 1 1 4 4 2 2 2 2 d 7 s t p s 8 h 1 0 0 d d 7 7 s s t t p p s s 8 8 h h 1 1 0 0 0 0 l 1 1 5 m h l l 1 1 1 1 5 5 m m h h 1 2 2 4 3 3 r 1 8 n . c . r r 1 1 8 8 n n . . c c . . r 1 2 0 k 6 w r r 1 1 2 2 0 0 k k 6 6 w w t v a r i s t o r t v a r i s t o r r 1 7 n . c . r r 1 1 7 7 n n . . c c . . t 5 t r a n s f o r m e r t t 5 5 t t r r a a n n s s f f o o r r m m e e r r 1 7 7 6 4 4 1 0 1 1 2 2 c 5 1 5 0 n c c 5 5 1 1 5 5 0 0 n n r 1 6 n . c . r r 1 1 6 6 n n . . c c . . l 5 9 9 1 l l 5 5 9 9 9 9 1 1 1 2 2 3 4 4 5 6 6 7 8 8 1 6 1 1 5 5 1 4 1 1 3 3 1 2 1 1 1 1 1 0 9 9 r 1 0 0 . 2 0 r r 1 1 0 0 0 0 . . 2 2 0 0 c 2 1 0 0 n 4 0 0 v c c 2 2 1 1 0 0 0 0 n n 4 4 0 0 0 0 v v r 1 3 2 k 2 r r 1 1 3 3 2 2 k k 2 2 c 4 1 0 n 6 0 0 v c c 4 4 1 1 0 0 n n 6 6 0 0 0 0 v v r 6 3 . 9 k r r 6 6 3 3 . . 9 9 k k c 2 3 n . c . c c 2 2 3 3 n n . . c c . . r 2 0 1 2 k r r 2 2 0 0 1 1 2 2 k k r 4 1 5 k r r 4 4 1 1 5 5 k k c 8 2 . 2 n c c 8 8 2 2 . . 2 2 n n r 2 2 8 . 2 r r 2 2 2 2 8 8 . . 2 2 c 1 1 0 0 n 4 0 0 v c c 1 1 1 1 0 0 0 0 n n 4 4 0 0 0 0 v v d 8 t r a n s i l d d 8 8 t t r r a a n n s s i i l l c o u t 1 3 3 0 u c c o o u u t t 1 1 3 3 3 3 0 0 u u c 7 1 0 0 p c c 7 7 1 1 0 0 0 0 p p j 8 c o n 8 a j j 8 8 c c o o n n 8 8 a a 1 3 3 5 7 7 2 4 4 6 8 8 r 5 1 8 k r r 5 5 1 1 8 8 k k r 1 1 2 2 r r 1 1 1 1 2 2 2 2 c 1 2 2 . 2 n f c c 1 1 2 2 2 2 . . 2 2 n n f f c 3 c c 3 3 2 2 0 u 4 5 0 v j j 2 2 3 3 w w i i r r e e j j u u m m p p j 2 3 w i r e j u m p 1 2 2 m 1 s t p 1 0 n k 6 0 z m m 1 1 s s t t p p 1 1 0 0 n n k k 6 6 0 0 z z 1 2 3 3 c 1 3 2 . 7 n c c 1 1 3 3 2 2 . . 7 7 n n c 3 7 3 3 0 u c c 3 3 7 7 3 3 3 3 0 0 u u c o u t 3 3 0 u c c o o u u t t 3 3 3 3 0 0 u u u 3 t l 4 3 1 u u 3 3 t t l l 4 4 3 3 1 1 2 3 3 1 u 4 p c 8 1 7 u 4 p c 8 1 7 r r 1 1 5 5 3 3 3 3 0 0 k k r 1 5 3 3 0 k c c 1 1 0 0 6 6 8 8 0 0 n n c 1 0 6 8 0 n d d 6 6 1 1 n n 4 4 1 1 4 4 8 8 d 6 1 n 4 1 4 8
STEVAL-ISA033V1 ci rcuit schematic 3/6 figure 2. schematic diagram 2/3 5 v 5 5 v v 5 v b b a a t t t t c c h h a a r r g g e e r r - - o o u u t t b a t t c h a r g e r - i n a a c c f f a a i i l l u u r r e e b a t t f a i l u r e b b a a t t t t c c h h a a r r g g e e r r - - o o u u t t p w r o o u u t t - - 3 3 . . 8 8 v v 1 3 . 8 v 5 5 v v b a t t f a i l u r e a a c c f f a a i i l l u u r r e e o u t - 3 . 8 v 1 1 3 3 . . 8 8 v v b a t t c h a r g e r - i n b b a a t t t t c c h h a a r r g g e e r r - - o o u u t t a c _ s i g n a l i b a t t _ m e a s u r e 0 u 2 c 3 9 1 u f 4 5 0 v c c 3 3 9 9 1 1 u u f f 4 4 5 5 0 0 v v m 2 s t s 5 p f 3 0 l m m 2 2 s s t t s s 5 5 p p f f 3 3 0 0 l l 1 3 3 5 7 7 2 4 4 6 8 8 j 2 1 c o n 8 j j 2 2 1 1 c c o o n n 8 8 1 2 2 3 4 4 5 6 6 7 8 8 r 2 8 5 6 k r r 2 2 8 8 5 5 6 6 k k u 2 l 7 8 0 5 / t o 2 2 0 u u 2 2 l l 7 7 8 8 0 0 5 5 / / t t o o 2 2 2 2 0 0 v i n 1 g n d 2 v o u t 3 f 2 f u s e / s m - 4 a f f 2 2 f f u u s s e e / / s s m m - - 4 4 a a u 6 p c 8 5 2 u u 6 6 p p c c 8 8 5 5 2 2 r 4 8 8 6 0 k r r 4 4 8 8 8 8 6 6 0 0 k k c 4 0 2 2 0 p c c 4 4 0 0 2 2 2 2 0 0 p p c 2 9 2 2 0 p f c c 2 2 9 9 2 2 2 2 0 0 p p f f r 4 9 1 . 2 k r r 4 4 9 9 1 1 . . 2 2 k k l 4 4 7 0 u h l l 4 4 4 4 7 7 0 0 u u h h 1 2 2 c 3 6 4 7 n c c 3 3 6 6 4 4 7 7 n n c 2 5 2 2 0 u 2 5 v c c 2 2 5 5 2 2 2 2 0 0 u u 2 2 5 5 v v c 2 7 2 2 n f c c 2 2 7 7 2 2 2 2 n n f f r s e n s e 0 . 0 8 r r s s e e n n s s e e 0 0 . . 0 0 8 8 r 3 0 2 2 k r r 3 3 0 0 2 2 2 2 k k r 2 9 1 0 k r r 2 2 9 9 1 1 0 0 k k d 3 s t p s 2 l 2 5 u d d 3 3 s s t t p p s s 2 2 l l 2 2 5 5 u u d 4 s t p s 2 l 2 5 u d d 4 4 s s t t p p s s 2 2 l l 2 2 5 5 u u r 4 0 1 8 0 k r r 4 4 0 0 1 1 8 8 0 0 k k l 3 1 5 u h 3 a l l 3 3 1 1 5 5 u u h h 3 3 a a r 2 3 1 k r r 2 2 3 3 1 1 k k q 1 b c 8 4 7 a q q 1 1 b b c c 8 8 4 4 7 7 a a c 3 2 2 2 0 n c c 3 3 2 2 2 2 2 2 0 0 n n + c o u t 3 3 3 u f 1 0 v + c o u t 3 3 3 u f 1 0 v r r 3 3 4 4 1 1 0 0 k k r 3 4 1 0 k j j 9 9 c c o o n n 2 2 j 9 c o n 2 1 2 2 r s e n s e 1 0 . 0 4 r r s s e e n n s s e e 1 1 0 0 . . 0 0 4 4 r 3 3 1 5 0 k 2 w r r 3 3 3 3 1 1 5 5 0 0 k k 2 2 w w s w 1 s w k e y - s p d t s s w w 1 1 s s w w k k e e y y - - s s p p d d t t r 5 0 0 . 1 - 3 w r r 5 5 0 0 0 0 . . 1 1 - - 3 3 w w r 3 2 1 2 k r r 3 3 2 2 1 1 2 2 k k c 3 1 1 0 0 n f c c 3 3 1 1 1 1 0 0 0 0 n n f f r 2 6 3 . 3 k r r 2 2 6 6 3 3 . . 3 3 k k j 1 0 b a t t . c h a r g e r j j 1 1 0 0 b b a a t t t t . . c c h h a a r r g g e e r r 1 2 2 r 2 7 2 . 2 k r r 2 2 7 7 2 2 . . 2 2 k k c 3 0 1 0 u f 2 5 v c e r a m i c c c 3 3 0 0 1 1 0 0 u u f f 2 2 5 5 v v c c e e r r a a m m i i c c t s m 1 0 8 u 7 t t s s m m 1 1 0 0 8 8 u u 7 7 1 2 2 3 4 4 5 6 6 7 8 8 9 1 1 0 0 1 1 1 1 2 2 1 3 1 1 4 4 c 2 8 2 2 0 u 2 5 v c c 2 2 8 8 2 2 2 2 0 0 u u 2 2 5 5 v v c 2 6 2 2 0 n c c 2 2 6 6 2 2 2 2 0 0 n n + c o u t 2 3 3 0 u f 1 0 v + c o u t 2 3 3 0 u f 1 0 v r r 2 2 4 4 4 4 . . 7 7 k k r 2 4 4 . 7 k r 2 5 6 . 8 k r 2 5 6 . 8 k d d 9 9 d d i i o o d d e e d 9 d i o d e u 5 l 5 9 7 3 u 5 l 5 9 7 3 1 1 2 2 2 2 3 3 4 4 4 4 5 5 8 8 8 8 7 7 6 6 6 6 r 3 1 2 . 7 k r r 3 3 1 1 2 2 . . 7 7 k k
circuit schematic STEVAL-ISA033V1 4/6 figure 3. schematic diagram 3/3 p w r p p w w r r p w r d d c c _ _ i i n n v b a t t b b a a t t t t c c h h a a r r g g e e r r - - o o u u t t 1 3 . 8 v 1 1 3 3 . . 8 8 v v b a t t c h a r g e r - o u t v v b b a a t t t t d c _ i n v v b b a a t t t t b a t t _ o k b b a a t t t t _ _ o o k k v r e f 1 v v r r e e f f 1 1 v r e f 2 v v r r e e f f 2 2 i b a t t _ c t r l i i b b a a t t t t _ _ c c t t r r l l v b a t t _ c t r l v v b b a a t t t t _ _ c c t t r r l l v d c _ c t r l v v d d c c _ _ c c t t r r l l i b a t t _ m e a s u r e 0 0 0 0 u 1 6 t l 4 3 1 u u 1 1 6 6 t t l l 4 4 3 3 1 1 r 4 7 1 k 2 r r 4 4 7 7 1 1 k k 2 2 r 3 5 5 . 6 k r r 3 3 5 5 5 5 . . 6 6 k k r 4 4 1 0 k r r 4 4 4 4 1 1 0 0 k k - + u 2 7 a t s 9 1 2 - + u 2 7 a t s 9 1 2 3 2 2 1 8 4 4 u 3 0 v n 7 5 0 p t u u 3 3 0 0 v v n n 7 7 5 5 0 0 p p t t 1 2 2 3 4 4 5 r 3 7 3 . 3 k r r 3 3 7 7 3 3 . . 3 3 k k u 2 8 b h c f 4 0 1 1 b u u 2 2 8 8 b b h h c c f f 4 4 0 0 1 1 1 1 b b 4 1 4 7 7 5 6 6 u 2 6 a h c f 4 0 1 1 b u u 2 2 6 6 a a h h c c f f 4 4 0 0 1 1 1 1 b b 3 1 4 7 7 1 2 2 - + u 2 7 b t s 9 1 2 - + u 2 7 b t s 9 1 2 5 6 6 7 8 4 4 j 1 9 c o n 8 a j j 1 1 9 9 c c o o n n 8 8 a a 1 3 3 5 7 7 2 4 4 6 8 8 c 3 3 1 0 0 n c c 3 3 3 3 1 1 0 0 0 0 n n r 3 9 1 0 k r r 3 3 9 9 1 1 0 0 k k u 3 1 s t p s 2 0 l 2 5 c u u 3 3 1 1 s s t t p p s s 2 2 0 0 l l 2 2 5 5 c c a 3 a a 1 1 1 1 k 2 r 3 6 0 r r 3 3 6 6 0 0 j 2 0 c o n 8 a j j 2 2 0 0 c c o o n n 8 8 a a 1 3 3 5 7 7 2 4 4 6 8 8 r 4 5 1 . 8 k r r 4 4 5 5 1 1 . . 8 8 k k r 4 2 1 k r r 4 4 2 2 1 1 k k c 3 4 1 0 0 n c c 3 3 4 4 1 1 0 0 0 0 n n c 3 5 1 0 0 n c c 3 3 5 5 1 1 0 0 0 0 n n u 2 8 a h c f 4 0 1 1 b u u 2 2 8 8 a a h h c c f f 4 4 0 0 1 1 1 1 b b 3 1 4 7 7 1 2 2 u 2 9 v n 7 5 0 p t u u 2 2 9 9 v v n n 7 7 5 5 0 0 p p t t 1 2 2 3 4 4 5 r 3 8 8 2 0 r r r 3 3 8 8 8 8 2 2 0 0 r r u 2 6 b h c f 4 0 1 1 b u u 2 2 6 6 b b h h c c f f 4 4 0 0 1 1 1 1 b b 4 1 4 7 7 5 6 6 r 4 3 1 k r r 4 4 3 3 1 1 k k u 2 8 c h c f 4 0 1 1 b u u 2 2 8 8 c c h h c c f f 4 4 0 0 1 1 1 1 b b 1 0 1 4 7 7 8 9 9
STEVAL-ISA033V1 revision history 5/6 2 revision history table 1. document revision history date revision changes 09-june-2008 1 initial release.
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