English

BL2513A
USB dedicated charging port (DCP) controller
BL2513A
DESCRIPTION
The BL 2513A is USB dedica ted c ha rging p ort (DCP) c on trollers . Applic ati ons incl ude
ve hicle po we r ch arg e r, wall a dap te rs with USB DCP and o th er USB cha rge rs . The
BL2513A con trolle r h as th e au to -de tec t fe atu re tha t moni to rs th e D+ a nd D– line
vol tages of the USB c onnec to r, pro viding the corre ct elec trical s ignature s on the DP
and D M pins fo r the c orrec t de te cti ons of c ompliant po rtable d e vices to fas t cha rge .
These po rtable de vic es i nclude smart pho nes , 5-V table ts and pers onal media
pla ye rs .
The BL 2513A su ppo rt fi ve of the mos t com mon p ro tocol s:
Divide r 3 (DCP Appl ying 2 .7V o n D+ Line a nd 2 .7V o n D– Line )
USB Batte ry Cha rgin g Spe cifica tion , Re vi sion 1 .2 (BC1 .2 )
Chinese Telecommun icatio ns Indu stry S ta ndard YD /T 1591 -2 00 9
1.2V on b o th D+ and D– lines
FE ATURES
In ac co rdanc e wi th U SB Ba ttery Ch arging Specifica tion , Re visio n 1 .2 (BC1 .2),
suppo rt USB DCP D+ line s horte d to D - lin e.
In ac co rdanc e wi th C hinese Tele communication s Indus try S tand ard YD/T
1591-2009 , su ppo rt S hort mode . ( s uppo rt D+ lin e sho rted to D- line)
Support DCP appl yin g 2 .7 V on D + Line a nd 2 .7 V o n D– Li ne ,
Support DCP appl yin g 1 .2V to the D + Line and 1.2V to th e D– L ine
Automa tic s wi tching D+ Li ne and D - Line f or con nec ted d e vice s .
Double USB po rt con trolle r.
Ope ra tion vol ta ge ran ge f rom 4 .5V to 5 .5V
APPLICATIONS
USB ca r cha rge r
AC-DC adap te r wi th USB port
Othe r USB ch arg er
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1
V1.0
BL2513A
BLOCK DI AGRAM
PIN CONFIGURATI ON
PIN DESCRIPTION
No.
Na me
T yp e
1
DP 1
I/O
2
GND
G
3
DP 2
I/O
4
DM2
I/O
5
IN
P
6
DM1
I/O
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description
Conne cted to th e D+ o r D– line o f USB con ne ctor, p ro vide the
corre c t vo ltag e with attache d p ortab le eq u ip men t for DCP de te ction.
Groun d c onn ec tion
Conne cted to th e D+ o r D– line o f USB con ne ctor, p ro vide the
corre c t vo ltag e with attache d p ortab le eq u ip men t for DCP de te ction.
Conne cted to th e D+ o r D– line o f USB con ne ctor, p ro vide the
corre c t vo ltag e with attache d p ortab le eq u ip men t for DCP de te ction.
P ower supp ly. Co nne c t a ce ra mic cap ac ito r with a valu e o f 0.1 -µ F
or grea te r fro m th e IN pin to GND a s c lo se to th e d e vic e a s
possib le .
Conne cted to th e D+ o r D– line o f USB con ne ctor, p ro vide the
corre c t vo ltag e with attache d p ortab le eq u ip men t for DCP de te ction.
2
V1.0
BL2513A
ABS OLUTE M AXIM UM R AT INGS * Over re commended ju nc tion tempe ra tu re ra nge ,
vol tages a re refe renc ed to GND (unle ss o therwise n oted)
Charac te ristic
Cond ition s
IN
DP 1,DP 2 outpu t vo lta g e, DM1,DM2
Voltag e ra nge
outpu t vo ltag e
DP 1,DP 2 inpu t vo ltag e , DM1 ,DM2
inp u t voltage
DP 1,DP 2 inpu t vo ltag e , DM1 ,DM2
Continuou s ou tpu t sin k cu rren t
inp u t voltage
Continuou s ou tpu t sou rce
DP 1,DP 2 outpu t vo lta g e, DM1,DM2
curre n t
outpu t vo ltag e
Opera ting ju nc tion te mpera tu re T J
Sto ra ge te mpe ra tu re ra nge
Tstg
ESD (h u man bod y mod e)
Min .
-0. 3
Max.
7
-0. 3
5.8
-0. 3
5.8
-40
-65
8000
Unit
V
35
mA
35
mA
125
150
℃
℃
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
to the device. These are stress ratings only, and functional operation of the device at these or
any other conditions beyond those indicated under Recommended Operating Conditions is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device
reliability.
THERMAL INFORMATION
Thermal metrc
Symbol
DBV
θJA
179.9
θJCtop
117.5
Junc tion -to -boa rd the rmal resi stance
θJB
41.9
Junc tion -to -top cha ra cte ri za ti on pa rameter
ψJT
17.2
Junc tion -to -boa rd ch arac te ri zati on pa ramete r
ψJB
41.5
Junc tion -to -cas e (b ottom) the rmal re sis tan ce
θJCbot
N/A
Junc tion -to -ambien t thermal re sis tan ce
Junc tion -to -cas e (top ) thermal resis ta nce
Unit
℃ /W
RECOMM ENDED OPER AT IN G C ONDIT IONS
Voltag es a re ref ere nc ed to GND (unle ss o therwise n oted), p osi ti ve cu rre nt are in to
pins .
Charac te ristic
Inp ut vo ltage o f IN
DP 1 data line inp ut vo lta ge
DM1 da ta lin e inp u t vo ltag e
Continuou s sink o r sou rce c urre nt
Continuou s sink o r sou rce c urre nt
DP 2 data line inp ut vo lta ge
DM2 da ta lin e inp u t vo ltag e
Continuou s sink o r sou rce c urre nt
Continuou s sink o r sou rce c urre nt
Opera ting ju nc tion te mpera tu re
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S ymb o l
V IN
VDP1
VDM1
IDP1
IDM1
VDP2
VDM2
IDP2
IDM2
TJ
3
Min .
4.5
0
0
0
0
-40
Max.
5.5
5.5
5.5
±10
±10
5.5
5.5
±10
±10
125
Unit
V
V
V
mA
mA
V
V
mA
mA
℃
V1.0
BL2513A
ELECTRICAL CHARACTERISTICS
Condition s a re –40 °C ≤ (T J = T A ) ≤ 125 °C, 4.5V ≤ V I N ≤ 5 .5V. Po siti ve cu rre n t are i nto
pins . T ypical values are a t 25 °C. All vol ta ges are wi th resp ec t to GND (unle ss
othe rwise n oted ).
Charac te ristic
S ymb o l
Undervo lta ge L oc ko ut
IN rising UV LO thresh old
VUVLO
voltage
H yste re sis
Supp ly Cu rre nt
IN supp ly c urre nt
I IN
BC 1.2 DCP M ode (Sh o rt Mod e)
RDPM_SHOR
DP 1 and DM1 sho rting
re sista nce
T1
RDCHG_SHO
Resistanc e b e tween
DP 1/DM1 a nd GND
RT1
Voltag e th re sh o ld on D P 1
VDPL_ TH_ D
unde r wh ich the de vice
E T AC H 1
goe s b ack to d ivide r mode
VDPL_ TH_ D
H yste re sis
E T AC H _ H Y S
Conditions
Min .
T yp.
Max
Unit
3.89
4.15
4.38
V
100
4.5 V ≤ V
IN
155
231
µA
157
200
Ω
350
656
1150
kΩ
310
330
350
mV
≤ 5.5 V
V D P 1 =0. 8V,
I D M 1 = 1 mA
V D P 1 =0.8 V
mV
50
mV
1
DP 2 and DM2 sho rting
re sista nce
RDPM_SHOR
Resistanc e b e tween
DP 2/DM2 a nd GND
Voltag e th re sh o ld on D P 2
unde r wh ich the de vice
goe s b ack to d ivide r mode
RDCHG_SHO
T2
RT2
V D P 2 =0. 8V,
I D M 2 = 1 mA
V D P 2 =0.8 V
VDPL_ TH_ D
157
200
Ω
350
656
1150
kΩ
310
330
350
mV
E T AC H 2
VDPL_ TH_ D
H yste re sis
50
E T AC H _ H Y S
mV
2
Div ide r M ode
DP 1 outp u t voltage
DM1 ou tpu t vo ltag e
DP 1 outp u t imped an ce
DM1 ou tpu t impe dan ce
DP 2 outp u t voltage
DM2 ou tpu t vo ltag e
DP 2outpu t imp eda nce
DM2ou tpu t imp ed anc e
1.2 V/1. 2V Mod e
DP 1 outp u t voltage
DM1 ou tpu t vo ltag e
DP 1 outp u t imped an ce
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VDP1_2.7V
VDM1_2。 7V
RDP1_PAD1
RDM1_PAD1
VDP2_2.7V
VDM2_2.7V
RDP2_PAD1
RDM2_PAD1
V IN =5V
V IN =5V
I D P 1 = -5µA
I D M 1 = -5µA
V IN =5V
V IN =5V
I D P 2 = -5µA
I D M 2 = -5µA
2.56
2.56
23.9
23.9
2.56
2.56
23.9
23.9
2.7
2.7
30
30
2.7
2.7
30
30
2.87
2.87
36.1
36.1
2.87
2.87
36.1
36.1
V
V
kΩ
kΩ
V
V
kΩ
kΩ
VDP1
VDM1
V IN =5V
V IN =5V
I D P 1 = -5µA
1.11
1.11
79.9
1.2
1.2
102
1.29
1.29
130. 1
V
V
kΩ
RDP1_PAD1
4
V1.0
BL2513A
DM1 ou tpu t impe dan ce
DP 2 outp u t voltage
DM2 ou tpu t vo ltag e
DP 2outpu t imp eda nce
DM2ou tpu t imp ed anc e
RDM1_PAD1
VDP2
VDM2
RDP2_PAD1
RDM2_PAD1
I D M 1 = -5µA
V IN =5V
V IN =5V
I D P 2 = -5µA
I D M 2 = -5µA
79.9
1.11
1.11
79.9
79.9
102
1.2
1.2
102
102
130. 1
1.29
1.29
130. 1
130. 1
kΩ
V
V
kΩ
kΩ
* S pecified b y design . No t pro duc tion te ste d.
APPLICATION SUMMARY
OVERVIEW
The follo win g o ve rvie w ref ere nces vari ous indus try s tanda rd s . It is al wa ys
recommended to co n sult the la tes t s tand a rd to ens ure th e mos t recen t a nd acc ura te
informati on .
Recharg eable po rtabl e eq uipment req uire s an e xternal po we r so urce to c ha rge i ts
batte ries . USB po rts are co n venie n t l oca ti ons for c ha rging be ca use of an a vail able
5-V po we r sou rce . Un ive rs all y ac cep ted s tandards a re requi red to en sure hos t an d
client-si de de vi ces meet the p ower manag ement requi remen ts . Tradi tionall y, USB
hos t ports followi ng the USB 2 .0 Specific a tion mus t p ro vide at l eas t 500 mA to
down stre am clien t-si de d e vice s . B ecau se multiple USB de vices ca n be a ttache d to a
single USB po rt th rou gh a bus -po we red hu b, i t is the respo nsibil ity of the clie n t-side
de vice to ne go tia te th e po we r allo tmen t fro m th e hos t to gua ran tee th e to tal cu rre nt
dra w doe s no t exc ee d 50 0 mA. In gene ral , ea ch USB de vice c a n s ubseq uen tl y
reque s t mo re cu rren t, which is g ran ted in s tep s of 100 mA up 5 0 0 mA to tal . The hos t
may g ran t o r den y th e requ es t base d on the a vailable curre nt.
Addition all y, the su cc ess of the USB tec hn olog y mak es the micro-USB conne c tor a
popula r choic e f or wa ll ada pter c ables . Thi s allo ws a portable d evi ce to cha rge f rom
both a wall ad ap te r a nd USB po rt wi th onl y one conne c tor.
One common diffic ulty ha s re sul ted from this. As USB cha rging has g ained pop ulari ty,
the 5 00-mA minimum defined b y the USB 2 .0 Spe cifica tion o r 90 0 mA d efined in the
USB 3.0 Specifica tio n, ha s become ins ufficien t fo r man y ha nds ets , tabl ets and
pers onal media pla ye rs (PMP) whic h ha ve a hig her ra ted cha rgi ng curren t. W all
adap te rs and c ar c ha rge rs ca n pro vide mu ch mo re cu r ren t than 500 mA o r 900 mA to
fast c harge po rtable de vices . Se veral ne w s tan dards ha ve been in troduc ed defining
pro toc ol hand shak ing methods tha t allo w h ost a nd clien t de vice s to a ck nowled ge and
dra w addi tion al cu rre nt be yond the 5 00 mA (defined in the USB 2 .0 Spe cifica tion ) o r
900 mA (defined in th e USB 3 .0 Specifica ti on) minim um while us ing a single
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5
V1.0
BL2513A
micro-USB inpu t co nn ector.
The BL 2513A su ppo rt fou r of the mos t common p ro tocol s:
USB Batte ry Cha rgin g Spe cifica tion , Re vi sion 1 .2 (BC1 .2 )
Chinese Telecommun icatio ns Indu stry S ta ndard YD /T 1591 -2 00 9
Divide r mode
1.2 Von b o th D+ and D– lines
YD/T 1591 -200 9 i s a subse t of the BC1 .2 s pecifica tion s uppo rte d b y th e vas t majo rity
of de vices tha t imple ment USB ch arging . Divide r and 1.2-V c ha rging s chemes a re
suppo rted in de vices from s pecific ye t p op ular de vice mak ers . B C1.2 ha s th re e
differen t po rt type s, li ste d as follo ws .
Stand ard d owns tream po rt (SDP )
Charging d owns tream po rt (CDP)
Dedicated cha rgin g p ort (DCP)
The BC1 .2 Spe cifica ti on d efines a c harging po rt as a do wn s tre a m facing USB p ort
tha t p ro vi des po we r f or cha rgin g po rtable equipment .
Table 1 sho ws diffe re nt po rt ope ra ting mod es acco rdin g to th e B C1.2 Specifi ca tion .
Table1 . Ope ra tin g Mo des Table
Port T yp t
SDP(USB2.0 )
SDP(USB3.0 )
CDP
DCP
Supports USB2 .0
Communication
Yes
Yes
Yes
No
Maximum Allo wable Curre n t
Drawn b y Po rtable
Equipment(A)
0.5
0.9
1.5
1.5
The BC1 .2 Spe cifica ti on d efines the p ro to c ol ne cess ary to allo w po rtable e quipmen t
to de te rmine wha t typ e of po rt i t i s con nec ted to s o tha t it can al lot i ts maximum
allowabl e cu rren t dra wn . The han d-shak in g p roc ess is two s tep s. Du ring s tep o ne ,
the p rimary de tec tion , the po rtable e quipment o utpu ts a nominal 0 .6 Vou tp ut o n its
D+ lin e and reads th e vol ta ge inpu t on i ts D– line . The po rtabl e de vice co nclude s it
is c onnec ted to a SDP if the vol tag e i s les s tha n the nominal da ta de te c t vol tage of
0.3 V . The po rtabl e d evi ce con clude s tha t it is co nnec ted to a C hargin g P ort if the D–
vol tage is g rea te r tha n the n ominal d ata de tec t voltage of 0 .3V a nd le ss than 0 .8 V .
The secon d s tep , the second ary de tec tion , is n eces sary for p ortable equipmen t to
dete rmine be tween a CDP and a DCP. The portable de vice ou tpu ts a nominal 0 .6 V
outp u t on its D– li ne and re ads the vol tage inpu t o n i ts D + line . The p orta ble de vi ce
conclud es i t i s conn e cte d to a CDP if th e d ata line being remain s is le ss than the
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6
V1.0
BL2513A
nominal da ta de tec t voltag e of 0.3 V. Th e portable de vice concl udes i t i s conn ec ted
to a DCP if the da ta li ne b eing read is g rea te r than the nominal data de tec t vol ta ge
of 0 .3 V and le ss tha n 0 .8 V .
Dedica ted Charg ing Port (DCP)
A dedi ca ted ch argi ng po rt (DCP) i s a do wn stream po rt on a de vi ce th at ou tpu ts
powe r th rough a USB co nnec to r, bu t is no t ca pable of enume ra ti ng a downs tream
de vice , which g ene ral ly allo ws porta ble de vi ces to fas t ch arg e a t thei r maximum
ra ted cu rren t. A USB charger i s a de vic e with a DCP, s uch as a wall adap ter o r ca r
powe r ada pter. A DCP is iden tifie d b y the elec tric al cha rac te ris tics of i ts da ta lines .
The follo win g DCP id entific ati on ci rcui ts a re u suall y u sed to meet the ha ndsh ak ing
dete c tions of diffe ren t po rtable de vice s.
Short the D+ L ine to the D– L ine
The USB BC1.2 S pec ificatio n and the Chin ese Telecom munica ti ons Indus try
Stand ard YD /T 1591 -2009 define tha t the D+ a nd D– da ta lines should be s ho rted
toge ther wi th a maxi mum serie s imped anc e of 20 0 Ω . Thi s is sh own in Figu re1 .
Fig 1 . DCP Short Mo de
Div ide r 3 (DCP Apply ing 2. 7 V on D+ L ine and 2 .7 V on D– L ine )
There is o ne ch arging sche me fo r d ivid er DCP . Th e D ivide r 3 cha rg in g sche me is u sed for
12 -W a dap te rs, an d a pp lie s 2 .7V on D+ and D - lin es.
Fig 2 . D ivid e r 3 DCP
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7
V1.0
BL2513A
The BL 2513A is USB dedica ted c ha rging p ort (DCP) c on trollers . Applic ati ons incl ude
ve hicle po we r ch arg e r, wall a dap te rs with USB DCP and o th er USB cha rge rs . The
BL2513A con trolle rs has the au to -de te ct f eatu re tha t moni to rs the D + and D– line
vol tages of the USB c onnec to r, pro viding the corre ct elec trical s ignature s on the DP
and D M pins fo r the c orrec t de te cti ons of c ompliant po rtable d e vices to fas t cha rge .
These po rtable de vic es i nclude smart pho nes , 5-V table ts and pers onal media
pla ye rs .
DCP Au to-De tec t
The BL 2513A in teg ra te an au to-de tec t fea ture to su ppo rt di vide r mode , sho rt mode
and 1 .2V / 1 .2Vmode s. If a di vid er de vice i s a tta ched , 2 .7V is a pplied to the DP pin
and 2 .7V i s applie d to the DM pi n.
F ig 3 . DCP Au to -De tec t Func tio nal Diagram
Undervo ltag e Locko ut (UVLO)
The u nde rvol tag e l oc k out (UVL O) ci rc uit di sables DP1and DM1 outp u t vol tage u ntil
the inp u t vol tage rea ches the UVLO tu rn -o n th resh old . Built-in h ysteresis p re ven ts
unwan ted oscill ati ons due to in pu t vol tage drop f rom la rge curre nt su rge s .
The BL 2513A onl y provi de the co rrec t ele c trical sign a tures on the d a ta line of USB
charger p orta nd do n ot p ro vid e an y po we r for the VBUS.
Divide M ode Sele ction o f 5-W and 10-W USB Chargers
The BL 2513A p ro vid e one type of con nec ti ons be tween the DP pin a nd the DM pin
and be tween the D+ data lin e and the D– data lin e of the USB connec to r fo r a 12 -W
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8
V1.0
BL2513A
USB cha rge r
Table2 Cha rg ing S cheme fo r 12 -W USB Charg ers
USB Charg er
Containin g Charging Schemes
Typ e
12-W
Divide r 3
2.7V on b o th D+ and D- Li nes
BC1.2DCP
Fig 4 . 12 -w USB Cha rge Ap plica tion
La you t Guid e lin es
Place th e BL2513A n ear the USB ou tpu t c onnec to r and pla ce th e 0 .1 -µF b ypass
capaci to r nea r the IN pin .
APPLICATION CIRCUIT
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9
V1.0
BL2513A
CHARACTERISTICS CURVES
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10
V1.0
BL2513A
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11
V1.0
BL2513A
OUTLINE DR AW ING
SOT-2 3-6
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Uni t: mm
12
V1.0