| p o w er controller+4-channel pwm dr iv er f or por tab le cd BH6570KV descr iption dimension (units : mm) f eatures applications BH6570KV incor por ates 4-channel dc/dc con v er ter , 1-channel ser ies regulator and 4-channel pwm dr iv ers on a single chip f or a por tab le cd . f our lines f or e xter nal po w er supply are ab le to dr iv e efficiently and to reduce po w er consumption in the set. in addition, due to the small vqfp48c pac kage , the siz e of the set can be reduced. 01w020a 1) lo w po w er consumption 2) lo w on resistance 3) vqfp48c pac kage - step-up dc/dc con v er ter f or micro controller - main step-up/step-do wn dc/dc con v er ter - sub step-up dc/dc con v er ter - v g step-up circuit f or po w er mos dr iving - built-in r ipple filter - built-in ser ies regulator circuit - built-in 4-channel h br idge dr iv er using po w er mos - digital input a v ailab le - direct pwm dr iving p or tab le cd ma y , 2001 v q f p 4 8 c 1 0.1 1.4 ?} 0.1 48 0.5 36 9.0 ?} 0.3 7.0 ?} 0.2 37 9.0 ?} 0.3 7.0 ?} 0.2 0.2 ?} 0.1 12 13 0.125 ?} 0.1 0.5 25 24 0.1 absolute maxim um ratings ( t a=25 c ) b a t t e r y s u p p l y v o l t a g e s y s t e m s u p p l y v o l t a g e a c a d a p t e r v o l t a g e p o w e r d i s s i p a t i o n p ar ameter limits unit * der ating : 9.5mw/ c f or oper ation abo v e t a=25 c * pcb ( 70mmx70mm, t=1.6mm) glass epo xy mounting. 7 7 7 1 1 8 0 v v mw o p e r a t i n g t e m p e r a t u r e r a n g e + 8 5 ? 3 0 ~ c s t o r a g e t e m p e r a t u r e r a n g e symbol pvcc1 svcc pvcc2 pd t opr tstg + 1 5 0 ? 5 5 ~ c v * b a t t e r y s u p p l y v o l t a g e pvcc1 2 . 4 1 . 5 4 . 5 v s y s t e m s u p p l y v o l t a g e svcc 2 . 5 2 . 0 4 . 5 v recommended oper ating conditions (t a=25 c) p ar ameter min. max. unit t yp . symbol a c a d a p t e r s u p p l y v o l t a g e pvcc2 4 . 5 2 . 0 6 . 5 v a m b e n i e n t t e m p e r a t u r e t a 2 5 ? 1 0 7 0 c
? ? 2.43 2.9 2.4 1.8 1.8 2.50 3.1 2.6 2.7 2.8 2.57 3.3 2.8 ma v v v i pvcc1 r on svcc th1 svcc th2 v vmcth v v gth v rf pvcc1 current consumption output on resistance svcc pin threshold v oltage 1 svcc pin threshold v oltage 2 vmc pin threshold v oltage sum of on resistance (top+bottom) vcnt=0v vcnt=2.5v lmc=2.3v , vmc=2.3 ? 3v s w eep vlg=5v , v g=5 ? 7v s w eep electr ical char acter istics (unless otherwise noted; pvcc1=2.4v , svcc=vmc=2.5v , vsub=3.1v , v g=6v) 5.1 170 3.6 2.7 6 205 3.9 2.9 6.9 240 4.2 3.1 v mv v v v reg1 v reg2 v g pin threshold v oltage v oltage betw een a vcc-vsub regulator output v oltage 1 regulator output v oltage 2 ia vcc=5ma pvcc1=open, pvcc2=6v , vcnt=2.5v pvcc1=open, pvcc2=6v , vcnt=0v symbol min. max. unit conditions t yp . p ar ameter application circuit 16 17 18 19 20 21 22 23 24 13 14 15 44 43 42 41 40 39 38 37 48 47 45 2 4 6 12 7 8 9 10 11 1 5 3 35 33 31 25 30 29 28 27 26 36 32 34 pvcc/2 monit o r reg test st ar t/off osc soft st ar t up/do wn conver ter sub up conver t er ripple fil ter v g up con err or amp dsp m m vmc pvcc r f r f r f r f f r f r f r te(r) fe(r) fe(f) te(f) tr v(r) tr v(f) 0.1 1 470p clk 100 h 330 h 10 47 10 330 h 100 h p s 47 47 hbridge 3 hbridge 1 hbridge 2 pre drive1 pre drive2 pre drive3 ad_pvcc clk 10 10 pvcc1 svcc vsub vsub a vcc v g 46 ei eo vcnt crp vcnt ct vmc pvcc2 a vcc svcc spindle tra verse tra cking focus sp(signal) sp(polar ity) logic 1 logic 2 logic 3 logic 4 test test shor t pr o tect pre drive4 hbridge 4
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