USB dedicated charging port (DCP) controller

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www.belling.com.cn 1 V1.0

USB dedicated charging port (DCP) controller

BL2513A

DESCRIPTION

T he B L 2513A i s U S B dedi ca ted c ha rgi ng p or t (D C P ) c o n tr ol l er s . A ppl i c ati ons i ncl ude ve hi cl e po we r ch arg e r , wal l a dap te rs wi t h U S B D C P a nd o th er U S B cha rge rs . T he B L2513A con t rol l e r h as th e au to -de tec t f e atu re tha t m oni to rs th e D + a nd D – l i ne vol t ages of the U S B c onnec to r , pr o vi di ng t he cor re ct el ec t ri cal s i gnat ure s on the D P and D M pi ns f o r t he c or rec t de te cti ons of c om pl i ant po r tabl e d e vi ces t o f as t cha rge . T hese po r tabl e de vi c es i ncl ude sm ar t pho nes , 5-V ta bl e t s and pers onal m edi a pl a ye rs .

T he B L 2513A su ppo r t f i ve of the m os t com m on p ro tocol s:

D i vi de r 3 (D C P A ppl yi ng 2 .7V o n D + Li ne a nd 2 . 7V o n D – Li ne ) U S B B at te r y C ha rgi n g S pe ci f i ca ti on , R e vi si on 1 .2 (B C 1 .2 )

C hi nese T el ecom m un i cati o ns Indu st r y S ta ndard YD /T 1591 -2 00 9 1.2V on b o th D + and D – l i nes

FE ATURES

In ac co rdanc e wi th U S B B a t ter y C h ar gi ng S peci f i ca ti on , R e vi si o n 1 .2 (B C 1 .2) , suppo r t U S B D C P D + l i ne s hor te d t o D - l i n e.

In ac co rdanc e wi th C hi nese T el e com m uni cati on s I ndu s t r y S tand ard YD /T 1591- 2009 , su ppo r t S hor t m ode . ( s uppo r t D + l i n e sh o r ted to D - l i ne) S uppor t D C P appl yi n g 2 .7 V on D + Li ne a nd 2 . 7 V o n D – Li ne ,

S uppor t D C P appl yi n g 1 .2V to the D + Li ne and 1. 2V to th e D – L i ne A utom a ti c s wi tchi ng D + Li ne and D - Li ne f or con nec ted d e vi ce s . D oubl e U S B po r t con t rol l e r .

Ope ra ti on vol ta ge r an ge f rom 4 . 5V to 5 . 5V

APPLIC ATIONS

U S B ca r cha rge r

A C -D C adap te r wi th U S B por t Ot he r U S B ch arg er

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BLOCK DI AGR AM

PIN CONFIGUR ATI ON

PIN DESCRIPTION

N o . N a me T y p e d es cr i p t i o n 1 D P 1 I/O C o n n e ct ed t o th e D + o r D – l in e o f U S B co n n e ct o r , p ro v i d e t h e co r re c t v o lt ag e w it h at t ach e d p o r t ab le eq u ip men t fo r D C P d e te ct i o n . 2 G N D G G ro u n d c o n n ec t io n 3 D P 2 I/O C o n n e ct ed t o th e D + o r D – l in e o f U S B co n n e ct o r , p ro v i d e t h e co r re c t v o lt ag e w it h at t ach e d p o r t ab le eq u ip men t fo r D C P d e te ct i o n . 4 D M2 I/O C o n n e ct ed t o th e D + o r D – l in e o f U S B co n n e ct o r , p ro v i d e t h e co r re c t v o lt ag e w it h at t ach e d p o r t ab le eq u ip men t fo r D C P d e te ct i o n . 5 IN P P o wer s up p l y. C o n n e c t a ce ra mi c cap ac i to r w i th a v a lu e o f 0 . 1 -µ F o r g r ea te r f ro m th e IN p in to G N D a s c lo se t o th e d e v ic e a s p o s s ib le . 6 D M1 I / O C o n n e ct ed t o th e D + o r D – l in e o f U S B co n n e ct o r , p ro v i d e t h e co r re c t v o lt ag e w it h at t ach e d p o r t ab le eq u ip men t fo r D C P d e te ct i o n .

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AB S OL U T E M AX IM U M R AT IN GS * O ver re com m ended j u nc ti on tem pe ra tu re ra nge ,

vol t ages a re ref e renc ed to GN D (unl e ss o t her wi se n o t ed)

C h ar ac te r is t i c C o n d i ti o n s Min . Max . U n i t IN -0 . 3 7 D P 1 , D P 2 o u tp u t vo l ta g e, D M 1 , D M2 o u t p u t v o l tag e -0 . 3 5 . 8 V o l tag e ra n g e D P 1 , D P 2 inp u t v o l tag e , D M1 , D M2 inp u t v o l t ag e -0 . 3 5 . 8 V C o n t i n u o u s o u tp u t s in k cu rr en t D P 1 , D P 2 inp u t v o l tag e , D M1 , D M2 inp u t v o l t ag e 3 5 mA C o n t i n u o u s o u tp u t s o u r ce cu r re n t D P 1 , D P 2 o u tp u t vo l ta g e, D M 1 , D M2 o u t p u t v o l tag e 3 5 mA O p era t i n g ju n c t io n te m p er a tu re TJ -4 0 1 2 5 ℃ S to ra g e t e mp e ra tu re ra n g e T st g -6 5 1 5 0 ℃ E S D (h u man b o d y mo d e) 8 0 0 0 V * S t r e s s e s b e y o n d t h o s e l i s t e d u n d e r A b s o l u t e M a xi m u m R a t i n g s m a y c a u s e p e r m a n e n t d a m a g e t o t h e d e v i c e . T h e s e a r e s t r e s s r a t i n g s o n l y , a n d f u n c t i o n a l o p e r a t i o n o f t h e d e v i c e a t t h e s e o r a n y o t h e r c o n d i t i o n s b e y o n d t h o s e i n d i c a t e d u n d e r R e c o m m e n d e d O p e r a t i n g C o n d i t i o n s i s n o t i m p l i e d . E x p o s u r e t o a b s o l u t e - m a x i m u m - r a t e d c o n d i t i o n s f o r e x t e n d e d p e r i o d s m a y a f f e c t d e v i c e r e l i a b i l i t y .

THERM AL INFORM ATION

T herm al m et rc S ym bol D B V U ni t Junc ti on - to -am bi en t t herm al re si s tan ce θJ A 179. 9

Junc ti on - to -cas e ( top ) t herm al resi s ta nce θJ C t o p 117. 5

Junc ti on - to -boa rd the rm al resi st ance θJ B 41.9

Junc ti on - to -t op cha ra cte ri za ti on pa ram et er ψJ T 17.2

Junc ti on - to -boa rd ch arac te ri zati on pa ram ete r ψJ B 41.5

Junc ti on - to -cas e (b ot tom ) the rm al re si s tan ce θJ C b o t N /A

℃/W

R E C OM M EN D E D OP E R AT IN G C ON D IT I O N S

V ol tag es a re ref ere nc ed to GN D (unl e ss o t her wi se n o t ed) , p osi ti ve cu rre nt are i n to pi ns .

C h ar ac te r is t i c S ymb o l Min . Max . U n i t Inp u t vo l t ag e o f IN VI N 4 . 5 5 . 5 V D P 1 d at a l in e inp u t vo l ta g e VD P 1 0 5 . 5 V D M1 d a t a l in e inp u t v o l tag e VD M 1 0 5 . 5 V C o n t i n u o u s s in k o r so u rce c u r re n t ID P 1 ±1 0 mA C o n t i n u o u s s in k o r so u rce c u r re n t ID M 1 ±1 0 mA D P 2 d at a l in e inp u t vo l ta g e VD P 2 0 5 . 5 V D M2 d a t a l in e inp u t v o l tag e VD M 2 0 5 . 5 V C o n t i n u o u s s in k o r so u rce c u r re n t ID P 2 ±1 0 mA C o n t i n u o u s s in k o r so u rce c u r re n t ID M 2 ±1 0 mA O p era t i n g ju n c t io n te m p er a tu re TJ -4 0 1 2 5 ℃

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ELECTRIC AL CH AR ACTERISTICS

C ondi ti on s a re –40 °C ≤ (TJ= TA) ≤ 125 °C , 4.5V ≤ VI N ≤ 5 .5V . P o si ti ve cu rre n t are i nt o

pi ns . T ypi cal val ues are a t 25 °C . A l l vol ta ges ar e wi th resp ec t t o GN D (unl e ss othe r wi se n ot ed ).

C h ar ac te r is t i c S ymb o l C o n d i t i o n s Min . T yp . Max U n i t

U n d e r v o l ta g e L o c ko u t IN r i s in g U V LO t h r es h o ld v o l t ag e VU V L O 3 . 8 9 4 . 1 5 4 . 3 8 V H yst e re si s 1 0 0 mV S u p p ly C u r r e n t IN s up p l y c u r re n t II N 4 . 5 V ≤ V I N ≤ 5 . 5 V 1 5 5 2 3 1 µA B C 1 . 2 D C P M o d e (S h o r t M o d e ) D P 1 an d D M1 s h o r ti n g re s is ta n ce RD P M _ S H O R T 1 VD P 1= 0 . 8 V , ID M 1= 1 mA 1 5 7 2 0 0 Ω R es is t an c e b e tw een D P 1 /D M1 a n d G N D RD C H G _ S H O R T 1 VD P 1

=0.8

V 3 5 0 6 5 6 1150 k Ω V o l tag e th re sh o ld o n D P 1 u n d e r wh i ch t h e d e v i ce g o e s b ack to d i v id e r m o d e VD P L _ T H _ D E T A C H 1 3 1 0 3 3 0 3 5 0 mV H yst e re si s VD P L _ T H _ D E T A C H _ H Y S 1 5 0 mV D P 2 an d D M2 s h o r ti n g re s is ta n ce RD P M _ S H O R T 2 VD P 2= 0 . 8 V , ID M 2= 1 mA 1 5 7 2 0 0 Ω R es is t an c e b e tw een D P 2 /D M2 a n d G N D RD C H G _ S H O R T 2 VD P 2

=0.8

V 3 5 0 6 5 6 1150 k Ω V o l tag e th re sh o ld o n D P 2 u n d e r wh i ch t h e d e v i ce g o e s b ack to d i v id e r m o d e VD P L _ T H _ D E T A C H 2 3 1 0 3 3 0 3 5 0 mV H yst e re si s VD P L _ T H _ D E T A C H _ H Y S 2 5 0 mV D iv id e r M o d e D P 1 o u tp u t v o l t ag e VD P 1 _ 2 . 7 V VI N= 5 V 2 . 5 6 2 . 7 2 . 8 7 V D M1 o u t p u t v o lt ag e VD M 1 _ 2。7 V VI N= 5 V 2 . 5 6 2 . 7 2 . 8 7 V D P 1 o u tp u t i mp ed an ce RD P 1 _ P A D 1 ID P 1= -5µA 2 3 . 9 3 0 3 6 . 1 k Ω D M1 o u t p u t i mp e d an ce RD M 1 _ P A D 1 ID M 1= -5µA 2 3 . 9 3 0 3 6 . 1 k Ω D P 2 o u tp u t v o l t ag e VD P 2 _ 2 . 7 V VI N= 5 V 2 . 5 6 2 . 7 2 . 8 7 V D M2 o u t p u t v o lt ag e VD M 2 _ 2 . 7 V VI N= 5 V 2 . 5 6 2 . 7 2 . 8 7 V D P 2 o u tp u t i mp ed a n ce RD P 2 _ P A D 1 ID P 2= -5µA 2 3 . 9 3 0 3 6 . 1 k Ω D M2 o u tp u t i mp ed an c e RD M 2 _ P A D 1 ID M 2= -5µA 2 3 . 9 3 0 3 6 . 1 k Ω 1 . 2 V /1 . 2 V M o d e D P 1 o u tp u t v o l t ag e VD P 1 VI N= 5 V 1 . 1 1 1 . 2 1 . 2 9 V D M1 o u t p u t v o lt ag e VD M 1 VI N= 5 V 1 . 1 1 1 . 2 1 . 2 9 V D P 1 o u tp u t i mp ed an ce RD P 1 _ P A D 1 ID P 1= -5µA 7 9 . 9 1 0 2 1 3 0 . 1 k Ω

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www.belling.com.cn 5 V1.0 D M1 o u t p u t i mp e d an ce RD M 1 _ P A D 1 ID M 1= -5µA 7 9 . 9 1 0 2 1 3 0 . 1 k Ω D P 2 o u tp u t v o l t ag e VD P 2 VI N= 5 V 1 . 1 1 1 . 2 1 . 2 9 V D M2 o u t p u t v o lt ag e VD M 2 VI N= 5 V 1 . 1 1 1 . 2 1 . 2 9 V D P 2 o u tp u t i mp ed a n ce RD P 2 _ P A D 1 ID P 2= -5µA 7 9 . 9 1 0 2 1 3 0 . 1 k Ω D M2 o u tp u t i mp ed an c e RD M 2 _ P A D 1 ID M 2= -5µA 7 9 . 9 1 0 2 1 3 0 . 1 k Ω * S peci f i ed b y desi gn . N o t pro duc ti on te st e d.

APPLIC ATION SUMM ARY

O V E R V I E W

T he f ol l o wi n g o ve r vi e w ref ere nces vari ous i ndus tr y s tanda rd s . I t i s al wa ys

recom m ended to co n sul t the l a t es t s tand a rd to ens ure th e m os t recen t a nd acc ura t e i nf orm ati on .

R echarg eabl e po r tabl e eq ui pm ent req ui re s an e xt er na l po we r so urce to c ha rge i ts bat te ri es . U S B po r ts are co n veni e n t l oca ti ons f or c ha rgi ng be ca use of an a vai l abl e 5-V po we r sou rce . U n i ve rs al l y ac cep ted s t andar ds a re r equi red to en sur e hos t an d cl i ent -si de de vi ces m eet the p ow er m anag em ent r equi rem en ts . T radi ti onal l y, U S B hos t por t s f ol l owi ng t he U S B 2 .0 S peci f i c a ti on m us t p ro vi de at l eas t 500 m A to down st re am cl i en t -si de d e vi ce s . B ecau se m ul ti pl e U S B de vi ces ca n be a t tache d t o a si ngl e U S B po r t th rou gh a bus -po we red hu b, i t i s th e respo nsi bi l i t y of the cl i e n t- si de de vi ce to ne go ti a te th e po we r al l o tm en t f ro m th e hos t to gua ran t ee th e to t al cu rre nt dra w doe s no t exc ee d 50 0 m A . I n gene ral , ea ch U S B de vi ce c a n s ubseq uen tl y

reque s t m o re cu r ren t , whi ch i s g ran t ed i n s tep s of 100 m A up 5 0 0 m A to tal . T he hos t m ay g ran t o r den y th e requ es t base d on t he a vai l abl e cur re nt .

A ddi ti on al l y, the su cc ess of t he U S B tec hn ol og y m ak es the m i cr o-U S B conne c tor a popul a r choi c e f or wa l l ada pt er c abl es . T hi s al l o ws a por t abl e d evi ce to cha rge f rom both a wal l ad ap te r a nd U S B po r t wi th onl y one conn e c tor .

One com m on di f f i c ul t y ha s re sul ted f rom t hi s. A s U S B cha rgi ng has g ai ned pop ul ari t y, the 5 00-m A m i ni m um def i ned b y the U S B 2 .0 S pe ci f i ca ti on o r 90 0 m A d ef i ned i n the U S B 3. 0 S peci f i ca ti o n, ha s becom e i ns uf f i ci en t f o r m an y ha nds ets , tabl et s and pers onal m edi a pl a ye rs (P MP ) whi c h ha ve a hi g her ra ted cha rgi ng cur ren t . W al l adap te rs and c ar c ha rge rs ca n pr o vi de m u ch m o re cu r ren t than 500 m A o r 900 m A to f ast c har ge po r tabl e de vi ces . S e ver al ne w s tan dar ds ha ve been i n t roduc ed def i ni ng pro toc ol hand shak i ng m et hods tha t al l o w h ost a nd cl i en t de vi ce s to a ck nowl ed ge and dra w addi ti on al cu rr e nt be yond the 5 00 m A ( def i ned i n the U S B 2 .0 S pe ci f i ca ti on ) o r 900 m A ( def i ned i n th e U S B 3 .0 S peci f i ca ti on) m i ni m um whi l e us i ng a si ngl e

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www.belling.com.cn 6 V1.0 m i cro-U S B i npu t co nn ect or .

T he B L 2513A su ppo r t f ou r of t he m os t com m on p ro tocol s: U S B B at te r y C ha rgi n g S pe ci f i ca ti on , R e vi si on 1 .2 (B C 1 .2 )

C hi nese T el ecom m un i cati o ns Indu st r y S ta ndard YD /T 1591 -2 00 9 D i vi de r m ode

1.2 V on b o th D + and D – l i nes

YD / T 1591 -200 9 i s a subse t of the B C 1 .2 s peci f i ca ti on s uppo r te d b y th e vas t m aj o ri t y of de vi ces tha t i m pl e m ent U S B ch ar gi ng . D i vi de r and 1. 2-V c ha rgi ng s chem es a re suppo r ted i n de vi ces f rom s peci f i c ye t p op ul ar de vi ce m ak ers . B C 1.2 ha s th re e di f f eren t po r t t ype s, l i ste d as f ol l o ws .

S tand ard d ow ns tr eam po r t (S D P ) C hargi ng d ow ns tr eam po r t (C D P ) D edi cat ed cha rgi n g p or t (D C P )

T he B C 1 .2 S pe ci f i ca ti on d ef i nes a c har gi ng po r t as a do wn s tre a m f aci ng U S B p or t tha t p ro vi des po we r f or cha rgi n g po rt abl e equi pm ent .

T abl e 1 sho ws di f f e re nt po r t ope ra ti ng m od es acco rdi n g to th e B C 1.2 S peci f i ca ti on . T abl e1 . Ope ra ti n g Mo des T abl e

T he B C 1 .2 S pe ci f i ca ti on d ef i nes the p ro to c ol ne cess ar y t o al l o w po r tabl e e qui pm en t to de te rm i ne w ha t t yp e of po r t i t i s con nec t ed to s o t ha t i t can al l ot i ts m axi m um al l owabl e cu rr en t dr a wn . T he han d- shak i n g p roc ess i s t wo s tep s. D u ri ng s tep o ne , the p ri m ar y de tec ti on , the po r tabl e e qui pm ent o ut pu ts a nom i nal 0 .6 V ou tp ut o n i t s D + l i n e and reads th e vol ta ge i npu t on i ts D – l i ne . T he po r tabl e de vi ce co ncl ude s i t i s c onnec t ed t o a S D P i f t he vol tag e i s l es s tha n t he nom i nal da ta de te c t vol tage of 0.3 V . T he po r tabl e d evi ce con cl ude s t ha t i t i s co nnec ted to a C hargi n g P or t i f the D – vol t age i s g rea te r tha n the n om i nal d at a de tec t vol t age of 0 .3V a nd l e ss than 0 .8 V . T he secon d s tep , the second ar y de tec ti on , i s n eces sar y f or p or t abl e equi pm en t to dete rm i ne be t ween a C D P and a D C P . T he por tabl e de vi ce ou tpu ts a nom i nal 0 .6 V outp u t on i t s D – l i ne and re ads the vol t age i npu t o n i t s D + l i ne . T he p or ta bl e de vi ce concl ud es i t i s conn e cte d to a C D P i f th e d ata l i ne bei ng rem ai n s i s l e ss than the

P or t T yp t S uppor t s U S B 2 .0 C om m uni cati on

Maxi m um A l l o wabl e C urre n t D raw n b y P o rt abl e E qui pm ent (A ) S D P (U S B 2.0 ) Yes 0.5 S D P (U S B 3.0 ) Yes 0.9 C D P Yes 1.5 D C P N o 1.5

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www.belling.com.cn 7 V1.0 nom i nal da ta de tec t vol tag e of 0. 3 V . T h e por tabl e de vi ce concl udes i t i s conn ec ted to a D C P i f the da ta l i ne b ei ng read i s g rea te r t han the nom i nal data de tec t vol ta ge of 0 .3 V and l e ss tha n 0 .8 V .

D ed ica ted C h arg in g P o rt (D C P )

A dedi ca ted ch argi ng po r t (D C P ) i s a do wn st ream po rt on a de vi ce th at ou tpu ts powe r th rough a U S B co nnec to r , bu t i s no t ca pabl e o f enum e ra ti ng a dow ns tr eam de vi ce , whi ch g ene ral l y al l o ws por ta bl e de vi ces to f as t ch arg e a t thei r m axi m um ra ted cu r ren t . A U S B char ger i s a de vi c e w i th a D C P , s uch as a wal l adap t er o r ca r powe r ada pt er . A D C P i s i den ti f i e d b y the el ec tri c a l cha rac te ri s t i cs of i ts da ta l i nes . T he f ol l o wi n g D C P i d enti f i c ati on ci rcui ts a r e u sual l y u sed to m eet the ha ndsh ak i ng dete c ti ons of di f f e ren t po r tabl e de vi ce s.

S h o rt th e D + L in e to th e D – L in e

T he U S B B C 1. 2 S pec i f i cati o n and the C hi n ese T el ecom m uni ca ti ons I ndus t r y S tand ard YD /T 1591 - 2009 def i ne tha t the D + a nd D – d a ta l i nes shoul d be s ho rt ed

toge t her wi th a m axi m um seri e s i m ped anc e of 20 0 Ω . T hi s i s sh own i n F i gu re1 .

F i g 1 . D C P S hor t Mo de D iv id e r 3 (D C P A p p l y in g 2 . 7 V o n D + L in e a n d 2 . 7 V o n D – L in e ) T h er e i s o n e ch ar g i n g s ch e me fo r d i v id er D C P . T h e D i v id e r 3 ch a rg in g s ch e me is u sed f o r 1 2 -W a d ap te r s, an d a p p l ie s 2 . 7 V o n D + an d D - l in es . Fi g 2 . D i v id e r 3 D C P

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www.belling.com.cn 8 V1.0 T he B L 2513A i s U S B dedi ca ted c ha rgi ng p or t (D C P ) c o n tr ol l er s . A ppl i c ati ons i ncl ude ve hi cl e po we r ch arg e r , wal l a dap te rs wi t h U S B D C P a nd o th er U S B cha rge rs . T he B L2513A con t rol l e rs has t he au to -de te ct f eatu re tha t m oni to rs t he D + and D – l i ne vol t ages of the U S B c onnec to r , pr o vi di ng t he cor re ct el ec t ri cal s i gnat ure s on the D P and D M pi ns f o r t he c or rec t de te cti ons of c om pl i ant po r tabl e d e vi ces t o f as t cha rge . T hese po r tabl e de vi c es i ncl ude sm ar t pho nes , 5-V ta bl e t s and pers onal m edi a pl a ye rs .

D C P Au to -D e tec t

T he B L 2513A i n teg ra t e an au to- de tec t f ea t ure to su ppo rt di vi de r m ode , sho r t m ode and 1 .2V / 1 .2V m ode s. If a di vi d er de vi ce i s a t ta ched , 2 .7V i s a ppl i ed t o t he D P pi n and 2 .7V i s appl i e d t o the D M pi n.

F i g 3 . D C P A u to -D e tec t F unc ti o nal D i agr am

U n d er vo ltag e L o cko u t (U V L O )

T he u nde r vol tag e l oc k out (U V L O) ci rc ui t di sabl es D P 1and D M 1 outp u t vol tage u nti l the i np u t vol tage rea ches the U V LO tu rn -o n th resh ol d . B ui l t -i n h yst er esi s p re ven ts unwan t ed osci l l ati ons due to i n pu t vol tage drop f ro m l a rge cur re nt su rge s .

T he B L 2513A onl y pr ovi de the co r rec t el e c t ri cal si g n a tur es on t he d a ta l i ne of U S B char ger p or ta nd do n ot p ro vi d e an y po we r f or t he V B U S .

D i vid e M o d e S ele ct i o n o f 5-W an d 10- W U S B C h arg er s

T he B L 2513A p ro vi d e one t ype of con nec ti ons be t ween the D P pi n a nd the D M pi n and be tw een the D + data l i n e and the D – data l i n e o f t he U S B connec to r f o r a 12 -W

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www.belling.com.cn 9 V1.0 U S B cha rge r

T ab le2 C h a rg in g S ch eme fo r 12 -W U S B C h arg ers

F i g 4 . 12 - w U S B C ha r ge A p pl i ca ti on

L a yo u t Gu id e lin es

P l ace th e B L2513A n ear the U S B ou tpu t c onnec to r and pl a ce th e 0 .1 -µ F b ypass capaci to r nea r the IN pi n .

APPLIC ATION CIRCUIT

U S B C harg er

T yp e C ontai ni n g C har gi ng S chem es

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OU T L IN E D R AW IN G