publication date: 02 - 03 - 2016 1 rev. 1 application notes bg 2 b C un i v e r s al g ate dr i ve prot o t y pe b oard des c r ip t io n : t he b g 2b i s a t w o c h a n n e l g ate drive c i rc u i t f or h i gh p o wer i g b t m o d u l e s . t he b g 2 b u t i l i z es p o w e r ex h y br i d g a te d r i v e r s a n d dc - to - dc c o n v erte r s to pr o v i de e f f i c i e n t s w i t c h i n g o f m o d u l es r a ted up to 40 0 a . t he h y br i d g ate dr i v ers i n c l u d e h i gh s p e e d o p t o - c o u p l ers f or c o n trol s i g n a l i s o l a t i on a nd d e s at u r a t i o n d et e c t i on to prote c t t he i g b t f r o m s h o r t c i rc u i t c o n d i t i o n s . t he h y b r i d dc - t o - dc c o n v ert e r s pro vi d e f u l l y i s o l a t ed c o ntrol p o w er f or ea c h dr i v i ng c h a n n e l . t he b g 2b a l s o pro vi d e s an i s o l at e d f a ul t f e e d b a c k s i g n a l . fe a t u r e s : a p pl i c a t io n s: ? 1. 5 a , 3 a or 5 a p e a k o ut p u t cur r e n t b g 2b i s d e s i g n ed f or u s e w i th p o werex nf - a nd ? 2 5 0 0 v r ms i s o l at i on f or c o ntrol p o wer a n d s i g n al s a - s eri e s i g b t m o d u l e s . ? s ta n d a r d a m p m t a . 1 0 0 i n p ut co n n e c t or ? u s e v l a 1 06 - 1 5 2 4 2 dc - t o - dc c o n v erter f or ? o p e r at e s f r om a s i n gl e 15 v dc or 24 v dc s u p pl y o p era t i o n w i th 1 5 v dc c o n t r ol p o wer ? w i de o u tp u t v o l ta g e s w i ng + 1 5 v / - 8v ? u s e v l a 1 06 - 2 4 2 4 2 dc - t o - dc c o n v erter f or ? co m p a c t s i z e 3 x 2 . 2 ( 7 6m m x 5 6 mm) operation with 24 vdc control power o r de r ing in f o r m ati o n: b g 2 b - 15 1 5 i s a k i t w i th a b are b g 2 b b o a r d, t w o m 5 7 1 5 9 l - 0 1 a n d t wo v l a 1 0 6 - 15 2 4 2 b g 2 b - 30 1 5 i s a k i t w i th a b are b g 2 b b o a r d, t w o v l a 5 41 - 01 r a n d t w o v l a 1 0 6 - 1 5 2 42 b g 2b - 50 1 5 i s a k i t w i th a b are b g 2 b b o a r d, t w o v l a 5 42 - 01 r a n d t w o v l a 1 0 6 - 1 5 2 42 bg2b application guide gate driver part number peak drive current (i op ) minimum r g typical application* (igbt module rating) dc/dc converter m57159l - 01 +/ - 1.5a 4.2 up to 100a vla106 - 15242 for 15vdc input vla106 - 24242 for 24vdc input vla54 1 - 01 r +/ - 3a 3.0 up to 200a vla54 2 - 01 r +/ - 5a 2.0 up to 6 00a * c o m pa ti b l e i g b t m odu l e depend s o n vo lt ag e r a ti ng , s w it c h i n g f r equen c y an d s e l e c t e d r g . r e f e r t o p o w e r e x app li c a ti o n no t e s f o r de t a il s . n o t e : v l a 541 - 0 1 r an d v l a 542 - 0 1 r ga t e d ri ve r s r ep l a c e o l de r t y pe s vla504 - 01, vla503 - 01, m 57959 l an d m 57962l . v l a 106 - 1524 2 r ep l a c e s t h e o l de r m 57145l - 01.
publication date: 02 - 03 - 2016 2 rev. 1 application notes figure 1: vla54 2 - 01r, vla54 1 - 01 r, m57159l - 01 figure 2: vla106 - 15242 , vla106 - 24242 block diagram block diagram ci r cuit e xp l ana t io n : t he b g 2 b i s a b a s i c t wo c h a n n el g a t e d r i v er d e s i g n ed ar o u n d t h e r e c o m m e n d e d a p p li c a t i on c i rc u i t s f or the p o w erex m 5 7 1 5 9l - 0 1, v l a 5 4 2 - 01 r a nd v l a 5 4 1 - 01 r h y br i d i g b t g a te dr i v ers i n c o m b i n a t i on w i t h e i t h er v l a 1 06 - 1 5 2 42 or v l a 1 06 - 24 2 4 2 i s o l at e d dc - t o - dc c on v erte r s . a f u n c t i o n a l b l o c k d i a g r am of the v l a 5 4 2 /5 4 1 - 01 r a n d m 5 7 1 5 9 l - 0 1 h y br i d g ate drive r s i s s h o wn f or r e f eren c e i n f i g u r e 1. t h e s e g a t e dr i v ers a r e o p t i m iz ed f or u s e w i th p o w e r ex a - a n d nf - s e r i es i g b t m o d u l e s . t he dri v ers u s e a h i g h s p e ed o p en c o ll e c t or t y p e o pt o - c o u p l er t o pr o v i de 2 5 0 0 v r ms i s o l a t i o n of c o n trol si g n a l s . t he o u t p ut s t a g e i s d e s i g n e d to pr o v i de h i gh c ur r e nt g ate dr i v e w i th t h e a p p r o p r i a t e on - a nd o f f - s ta t e b i as v o l ta g es f or l ar g e i g b t m o d u l e s . t he g ate dr i v er i n cl u d es a d e s a tura t i on d e t e c t i on c i rc u i t to pr o v i de prote c t i o n a g a i n s t s h o r t c i rc u i t c o n d i t i o n s . for a d d i t i o n al d e t a i l e d i n f o r m at i on on t he c h ara c ter i s t i c s a n d o p e r a t i o n of t h e s e g a te dr i v ers p l e a s e re f er to the i n d i v i d u a l d ev i c e d a ta s h e ets. f i g u r e 2 s h o w s a b l o c k d i a gram o f the v l a 1 0 6 - 1 5 2 4 2 a n d v l a 1 0 6 - 2 4 2 42 h y b r i d dc - to - dc c o n v erte rs . t h e s e two d e v i c es are i de nt i c a l e xc e p t t h at v l a 1 0 6 - 1 5 2 4 2 i s d e si g n e d t o o p e r a te f r o m a 15 v dc i n p ut a n d the v l a 1 0 6 - 2 4 2 42 i s d e si g n e d to o p erate f r om a 24 v dc i n p ut. t h e s e dc - t o - dc c o n v erte r s u s e a tra n s f o r m er to pro v i de 2 5 0 0 v r ms i s o l a t i on f or g a te dr i v e p o wer. t he c o nv erte r s r e g u l a t ed 2 4 v d c o u t p u t i s s p l i t u s i n g a r e s i s tor a n d z e ne r d i o de to pr o v i de + 1 5 . 8v a n d - 8 .2v f or the h y b r i d g ate d r iv er. for a d d i t i o n al d e t a il e d i n f or m at i on on the o p erat i o n of the h y b r i d g a te d r i v ers a n d dc - to - dc c o n v erte r s p l e a s e s ee t he i n di vi d u a l de vi c e d a ta s h e e t s . a c o m p l ete sc h e m at i c a n d c o m p o n e nt s e l e c t i o n g u i d e f or the b g 2 b i s s h o wn i n f i g u r e 3 . t he b o a r d w i l l n o r m a l l y b e o p e r at e d w i th t wo i n p u t v o l ta g e s o u rc e s . a 5v l o g i c s o u rc e (+ v l ) pro v i d e s dr i v e f or the h i g h - s p e e d opto - c o u p l ers i n s i d e the h y brid g ate dr i v e r s a n d p u l l - u p v o l t a ge f or the f a ul t si g n a l i s o l at i on o pt o s o p 1 a n d o p 2. a c o ntrol po w er s u p pl y (+ v s ) pr o vi d es po w er f or the g ate dr i v er a n d i s c o n n e c ted to the p r i m a r y s i de of t h e dc - t o - dc c o n v er t e r s at p i ns 8, 9 a n d 1 0, 1 1. t he + v s s o u rc e i s d e c o u p l ed w i th t he l o w i m p e d a n c e e l e c tr o l y t i c c a p a c ito r s c 4 a n d c 8 . t h e s e c a p a c i tors a r e c o n n e c t ed cl o s e t o t he i n p u t p i ns of e a c h dc - t o - dc c o n v er t er to pro v i de a s t a b l e , we l l - f il ter e d dc s o u rc e . a 1 5 0uf c a p a c i tor w as s e l e c t e d f or c4 a n d c8 to pro v i de t he r e q u ir ed r i p p l e c ur r e n t a n d f il t eri n g a ss u m i ng a m a x i m u m d r i v i ng l o a d a n d a s i g n i f i c a n t d i s ta n c e to t he m a i n f i l ter c a p a c i tor of the + v s s u p p l y . t h e s e c a p a c i t ors w i l l be l arger th a n n e c e ss a r y i f t h e dr i v i ng l o a d i s s m a ll er or the v s s u p p l y m a i n f il ter c a p a c i tors are n e ar b y . t he dc - t o - dc c o n v erte r s pr ov i de i s o l a t ed g a te dr i v e po w er w h i c h c o n s i s ts of + 1 5. 8 v ( v cc ) at p i n 3 a n d - 8.2 ( v ee ) at p i n 1 w i th r e s p e c t to c o m m on at p i n 2. t he g a t e dr i v e p o wer s u p p l i es are d e c o u p l ed u si ng t h e l o w i m p e d a n c e e l e c t r o l y t i c c a p a c i tors c 1, c 2, c 5, a n d c6. it i s v e r y i m p o r ta n t that t h e s e c a p a ci tors h a v e l o w e n o u g h i m p e d a n c e a n d s u ff i c i e n t r i p p l e c ur r e n t c a p a b i l i t y t o pr o v i de the r e q u i r e d h i g h c ur r e n t g ate d r i v e p u ls e s . t he 82uf l o w i m p e d a n c e c ap a c i t ors u s ed o n th e b g 2 b are si z ed t o s u p p l y 5 a g a te p ul s es a t a 1 0 k h z r a t e. i f the a p p l i c at i on i s o p er at i ng at l o w er f r e q u e n c y o r l o w er p e a k c ur r e n t i t m a y be p o ss i b l e t o re d u c e t h e si z e of t h e s e ca p a c i tor s . t he i s o l at e d v ee a nd v cc s u p p l i es pr o v i d e d b y t h e dc - t o - dc c o n v erte r s are c o n n e c t e d to t h e h y b r i d g a te dr i v ers at p i ns 4 a n d 6 to pr o v i de g a t e drive p o w e r . t he h y b r i d g a te dr i v er a m p li f i es the c o ntr o l i n p ut s i g n a l a n d pr o d u c es h i gh c ur r e n t g a te d r i v e at p i n 5. t he g a te dr i v e c ur r e n t i s a d j u s t e d b y s e l e c t i n g the a p pr o pr i ate s eri e s g a te r e s i s ta n c e ( r g ) . r g w i l l n or m a l l y be a d j u s ted to pr o v i de s u i t a b l e dr i v e f or t he m o d u l e b e i ng u s ed c o n s i d e r i ng d y n a m i c p e r f o r m a n c e, l o ss es a n d s w i t c h i n g n o i s e . for m ore i n f or m at i on on s e l e c t i ng r g s ee p o w e r ex i g b t m o d u l e a p p li c a t i on n o t e s . p r o t e c t i o n a g a i n s t g a t e v o l t a g e s ur g es i s pro v i d e d b y d z 1, d z 2, d z 4, a n d d z 5 . t h e s e z e n er d i o d e s a l s o h e l p to c o n trol s h ort c i rc u i t c ur r e n ts b y s h u nt i ng m ill er c ur r e n t a w a y f r om the gate.
publication date: 02 - 03 - 2016 3 rev. 1 application notes c o m p onent s e l e c t io n : des i gna t i on t y p i ca l v a l ue desc r i p t i on e xa m p l e : m f g . /p n d1 , d2 , d 3 , d 4 0 . 5 a , 1000 v v c e de t e c t ion d io d e C u l t r a f a s t recover y on s e mi m ur1100 e d z 1 , d z 2 , d z 4 , d z5 16 v , 1 w g a t e v o l t ag e s urg e p r o t ec t ion 1n474 5 d z 3 , d z6 30 v , 1 w de t e c t in pu t p in s urg e vo l t ag e prote ct ion 1n475 1 c1 , c2 , c 5 , c 6 8 2 ? f, 35 v p o w e r s upp ly f i l t e r C e le c t ro l y t i c , l o w i m pedan c e p ana s on i c ee u - f c1 v 820 c4 , c 8 150u f, 35 v con t ro l po w e r f il t e r C e l e ct ro l y t i c , l o w i m pedan c e p ana s on i c ee u - f c1 v 15 1 c3 , c7 * 0 - 20 0 p f a d j. t r ip t i m e C m u l t i la ye r c er a m i c o r f i l m* ep c o s b 3797 9 --------- r1 , r 2 4 . 7k , 0 . 2 5 w fa u lt s i n k c urren t li m i t ing r e s i s t o r r 3 4 . 7k , 0 . 2 5 w fa u lt f eedbac k pu l l - u p r e s i st o r op1, op2 n e c p s 250 1 o p t o - c oup ler f o r f a u l t s ig na l i s o l a t i o n n e c p s 250 1 cn1 ** m ta . 100 i npu t an d g a t e dr i v e c onnec t or s a m p 6 4 0457 - 6 cn 2 ? ri n g lu g co ll e ct o r vo l t ag e s en s ing c onn e ct i o n a m p 3415 1 * no t requ ir e d in a ll app l i c a t io ns . p le a s e s e e hybr id ga t e dr i ve r app l i c a t ion no t e s /datasheets f o r de t a i l s . ** re c o m m ende d m a t ing c onnecto r a m p c s t - 10 0 hou s ing p / n 7 7 060 2 - 6 w i t h c r i m p c on t a c t 77066 6 - 2. fig u r e 3 : b g 2 b s chema t i c a nd com p onent s el e ct i on s h o r t - c i rc u i t pro t e c t i o n i s p r o v i d e d b y m e a ns of d e s a t urat i o n d e tec t i o n . f or d e t a il s o n t he o p e r at i on of th i s c i rc u i t co n s u l t t h e h y br i d g a te dr i v er i n d i v i d u a l d a t a s h e ets. t he c o l l e c tor v o l ta g e of e a c h i g b t i s d e tected throu g h the s er i es c o n n e c t ed h i gh v o l t a g e b l o c k i ng d i o d es d 1, d2 a n d d 3, d4. t he c o m b i n e d b l o c k i ng v o l t a g e of the s eri e s c o n n e c ted d i o d e s m u s t be e q u a l t o or g r e a ter t h an t he v ces r at i ng of the i g b t . for a p p l i c at i o n s u s i ng l o wer v o l t a g e i g b t m o d u l es i t i s p o ss i b l e t o u s e a si n g l e d et e c t i on d i o d e i n e a c h c h a n n el. d z 3 a n d d z 6 prote c t t h e g a t e dr i v e r s d et e c t i n p u t ( p i n 1) f r o m v o l ta g e s urges d u r i ng r e v er s e r e c o v e r y of the h i g h v o l t a g e b l o c k i ng d i o d e s . t he c a p a c i tors c3 a n d c7 are u s ed to a d j u s t the d r i v ers prote c t i on c i rc u i t t r i p t i m e. t he drive r s d e f a ul t s et t i n g s are s u ff i c i e n t f or m a n y a p p l i c a t i o n s s o i t m a y be p o ss i b l e to o m i t th e s e c a p a c i t or s . for det a il s o n t h e u s e of c 3 a n d c7 c o n s u l t the i n d i v i d u a l g a te dr i v er d ata s h e e t s . if the g a te dr i v ers s h o r t - c i rc u i t pro t e c t i o n i s a c t i v at e d , i t i m m e di at e l y s h u ts do w n t he g a te d r i v e a n d p u l l s p i n 8 l o w to i n d i c a t e a f a ul t. cur r e n t f l o w s f r o m v c c ( p i n 3 of dc - t o - dc c o n v erte r ) thro u gh the l e d i n f a ul t i s o l a t i o n o p t o ( op 1, o p 2) t o p i n 8. t he tran s i s tor i n t h e f a ul t i s o l at i on o p t o turns o n a nd p u ll s t h e f a u l t si g n al l i ne ( f o ) at p i n 4 of c n 1 l o w . t h i s o p to i s o l at e d s i g n al c an n o w be u s ed b y the c o ntr o l l er to d e t e c t t h e f a ul t c o n d i t i o n .
publication date: 02 - 03 - 2016 4 rev. 1 application notes in t e r f a c e ci r c u it req u i r e me nt s : a t y p i c a l i n t er f a c e c i rc u i t f or the b g 2 b i s s h o wn i n f i g u r e 4. a s i n g l e c o n trol p o w er s u p p l y (+ v s ) i s c o n n e c ted to p i n 5 of cn1 w i th i ts c o m m on at p i n 6. t h i s s u p p l y pr o vi d es a l l of t he g ate drive p o wer f or b o t h c h a nn e l s v i a the h y b r i d dc - t o - dc c o n v erte r s . t he c ur r e n t dr a wn f r om the + v s s u p p l y w il l v a r y f r om l e s s th a n 1 0 0 m a to m ore th a n 5 0 0 m a d e pe n d i ng o n t h e s w i t c h i n g f r e q u e n c y a n d si z e of i g b t b e i ng drive n . cons u l t the h y b r i d g a te dr i v er a p p l i c a t i on n ot e s f or d e t a il s on d et e r m i n i ng the r e q u i r e d s u p pl y c ur r e n t f or the g ate d r i v er. t he gate driver s u p p l y c ur r e n t c an t h e n b e c o n v ert e d i n to c ur r e n t dr a wn f r o m the + v s s u p p l y u s i ng the e ff i c i e n c y s p e c i f i c at i o n o n t h e dc - t o - dc c o n v erter d a t as h e et. figure 4: bg2b external wiring diagram a 5v l o g i c s u p p l y i s c o n n ec ted at p i n 1 of cn1 a nd s h a r es the s a m e c o m m on a t p i n 6 of cn1 as t h e1 5 v c o n tr o l s u p p l y . t he 5 v s u p p l y i s d i r e c t l y c o n n e c ted to p i n 14 of the h y b r i d g a te dr i v er w h i c h i s i nt e r n a l l y c o n n e c t e d to t he a n o d e of the l e d i n t h e h i gh s p e ed o pto - c o u p l er. t he 5 v s u p p l y i s a l s o u s e d to p u l l t h e o u t p u t s i de of t h e f a ul t i s o l at i on o p to - c o u p l ers h i g h . t he c o n trol s i g n al i nt e r f a c e i s d e s i g n ed f or u s e w i th s t a n d a r d 5v c mos l o g i c . the c o n tr o l i n p u t s i g n a l s at p i ns 2 a n d 3 of c o n n e c tor cn 1 a r e u s ed t o t urn t h e i gb t s on a n d o ff . t h e s e s i g n a l s are ac t i v e l o w wh i c h m e a ns th a t t h e g a te dr i v er o u t p ut w i l l be h i gh ( i g b t o n ) w h e n th e y are p u l l e d l o w. t h e s e c o n trol p i ns are c o n n e c t ed d i r e c t l y t o p i n 13 of t h e h y brid g ate dr i v er wh i c h i s c o n n e c t e d i nt e r n a l l y thr o u g h a 1 8 0 li m i t i n g r e s i s tor t o the c at h o d e of the l e d i n t he h i g h s p e e d o p to - c o u p l er (s ee f i g u r e 1 ) . w h e n the c o n trol s i g n a l i s p u l l ed l o w , c ur r e n t f l o w s f r om the 5v l o g i c s u p p l y t hrou g h t he l e d to tu r n the g a t e d r i v ers o u tp u t o n . t he c o ntrol p i ns m u s t be p u l l ed l o w w i th a b u ff er th a t i s c a p a b l e of s i n k i ng at l e a s t 16 m a i n order to tu r n o n the h i gh s p e e d o p to - c ou p l er i n s i d e t h e h y b r i d g a te dr i v e r . a c mos b u ff er that ac t i v e l y p u ll s i ts o ut p ut h i gh i n t he o f f s ta t e ( 7 4 h c04 or s i m il a r ) i s r e c o m m e n d e d f or m a i nt ai n i ng g o o d c o m m on m o d e n oi s e i m m u ni t y . o p e n c o ll e c tor dr i v e t h at a l l o w s in1 a n d in2 t o f l o a t w i l l d e g r a de c omm on m o d e n o i s e i m m u ni ty a nd i s t h ere f ore n ot r e c omm e n d e d. t he f a ul t s i g n a l l i ne on p i n 4 of cn1 i s a c t i v e l o w wh i c h m e a ns th a t a f a ul t c o n d i t i on w i l l be i n d i c at e d b y a l o w l e v e l si g n a l . d uri n g n o r m al o p era t i on p i n 4 i s p u l l ed h i gh t o t h e + v l s u p p l y b y t h e 4. 7 k r e s i s t or r 3 . if e i t h er of the h y br i d g ate d r i v ers d e tects a s h o r t c i rc u i t c o n d i t i on , i ts f a ul t i s o l a t i on o p to (o p 1, o p 2) w i l l turn on a n d p u l l p i n 4 of c n 1 l o w . w h e n a f a ul t i s d et e c t e d t he h y b r i d g a te dr i v ers d i s a b l e t h e o ut p u t a n d pr o d uc e a f a ul t si g n a l f or a m i n i m u m of 1 m s . a n y si g n a l on t h e f a ul t li n e th a t i s s i g n i f i c a n t l y s h o r ter t h a n 1 m s c an n ot b e a l e g i t i m ate f a ul t s o i t s h o u l d be i g n o r e d . t h e r e f ore, f or a r o b u s t n o i s e i m m u n e d e s i g n , i t i s r e c o m m e n d e d th a t an rc f il ter w i th a t i m e c o n s ta n t of a p pro x i m at e l y 1 0 s be a d d e d b e t we e n p i n 4 a nd t h e c o n tr o l l er as s h o wn i n f i g u r e 4.
publication date: 02 - 03 - 2016 5 rev. 1 application notes component side solder side figure 5: bg2b printed circuit board layout pr in t ed ci r cuit l a yo ut : f i g u r e 5 s h o w s t h e l a y o ut of t he b g 2 b t wo c h a n n e l g a te driver b o ard. t he c o m p a c t 3 x 2.2 c i rc u i t b o a r d w i t h o nl y 24 c o m p o n e nts cl e a r l y d e m o n s trat e s the a d v a n ta ge of u s i n g h y br i d g a te d r i v ers a n d dc - t o - dc c o n v erte rs . o ne i m p o r ta n t f e a ture i s t h e u s e of three grou n d p l a n e i s l a n ds f or the r e gi o ns of the p cb h a v i n g h i g h v o l t a ge d i ff eren c e s . t w o of t h e i s l a n d s are t i ed to t he i g b t e m i tt e r / c i rc u i t c o m m on ( pi n 2 of the dc to d c c o n v erte rs ) o f e a c h o u t p ut c h a n n e l . t he th i r d i s l a nd i s c o n n e c ted to l o g i c i nt e r f a c e c o m m on at p i n 6 of cn1. t h i s l a y o ut pr o v i d e s s h i e l d i ng t o h e l p pr e v e nt u n d e s i r a b l e c o u p l i n g of n oi s e b e t w e en t he c o n tr o l s i de a n d t he g a te dr i v e c h a n n e ls . a d ditio n al in f o r ma t io n : det a il e d i n f or m at i on a b o ut t he o p e r a t i o n a nd e l e c tr i c al c h a r a c ter i s t i c s of t h e m 5 7 1 5 9 l - 0 1 , v l a 5 42 - 01 a n d v l a - 5 41 - 01 h y b r i d g a te dr i v ers c a n b e f o u nd on t he i n di vi d u a l d e vi c e d a t ash e e t s . e l e c tr ic al c h a r a c ter i s t i c s s u c h as i n p ut v o l ta g e r a n g e , e ff i c i e n cy , a n d o u t p ut v o l t a ge r e g u l a t i on of t h e v l a 1 0 6 - 1 5 2 4 2 a n d v l a 1 0 6 - 2 4 2 42 dc - t o - dc c o n v e r ters c an a l s o b e f o u n d on the i n di vi d u a l d e vi c e d ata s h e ets. i n f or m at i on a b o u t c a l c u l a t i n g g a t e d r i v e c ur r e n t a n d s e l e c t i on of s eri e s g a te r e s i s tors ( r g ) c an be f o u n d i n t h e g e n eral i g b t m o d u l e a nd g a t e dr i v e a p p li c a t i o n n o t e s . for a p p l ic at i o n s u si ng h i gh e r c ur r e nt i g b t m o d u l es r e f er to the a p p li c a t i on n o t es f or the v l a 5 0 0 - 01 h y b r i d g a t e dr i v er a n d b g 2 a r e f eren c e d e s i g n. for a p p l i c a t i o n s u s i ng h i gh f r e q u e n c y o p t i m i z ed n f h s eri e s i g b t m o d u l es r e f er t o the v l a 5 0 2 - 0 1 a p p li c a t i o n n o te. a l l of the s e d o c u m e n t s are a v a i l a b l e on t he p o werex w e b s i te at www. p w r x . c o m . for d e s i gn a ss i s t a n c e w i th an y of t he pro d u c ts c o v ered i n th i s a p p l i c at i on n o te c o n t a c t y o u r l o c al p o werex r e p r e s e nt a t i v e or p o werex a p p l i c a t i on e n g i n e er i ng at ( 72 4 ) 9 2 5 - 7 2 7 2 .
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