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ksd-i7a005-001 1 sept., 2010 rev. 01 3 p hase bldc motor driver ic S3313 marking information device code year & week code product name marking package name S3313 S3313 ssoph-28 description the S3313 is a three phase brushless dc motor driver for dvd-p/r/rw. it contains various function for driving bldc motor in safety. especially, it contains 3 phase hall input terminal for computing the motor status with hall amps and fg, f-f. it makes a stable movement. especially, it supports dvd-rw applications with pb free and heat-sink package. application ? dvd-player ? dvd-r ? dvd-rw features and benefits ? three-phase full-wave pseudo linear driving system. ? built in power save, thermal shut down circuit [ tsd ]. ? built in current limit, hall bias circuit. ? built in fg-output, fg 3phase synthesize output. ? built in rotation detect. ? built in reverse protection circuit. ? built in gain switch pin. ? built in short brake pin. ? built in brake mode pin. s s e e m m i i c c o o n n d d u u c c t t o o r r http:// www.auk.co.kr s s s s o o p p h h - - 2 2 8 8 with heat-sink ordering information S3313( ) auk yyww( )
ksd-i7a005-001 2 sept., 2010 rev. 01 ? pin assignment 1 6 1 3 1 4 1 5 s 3 3 1 3 6 7 8 9 1 0 1 1 1 2 2 2 2 3 1 7 1 8 1 9 2 0 2 1 1 2 3 4 5 2 8 2 5 2 6 2 7 2 4 S3313
ksd-i7a005-001 3 sept., 2010 rev. 01 no symbol i/o description 1 n.c. - n.c. 2 a 3 o output3 for motor 3 n.c. - n.c. 4 a 2 o output2 for motor 5 n.c. - n.c. 6 n.c. - n.c. 7 a 1 o output1 for motor 8 gnd - ground 9 h 1 + i positive input for hall input amp1 10 h 1 - i negative input for hall input amp1 11 h 2 + i positive input for hall input amp2 12 h 2 - i negative input for hall input amp2 13 h 3 + i positive input for hall input amp3 14 h 3 - i negative input for hall input amp3 15 v h o hall bias terminal 16 br i brake mode terminal 17 c nf i capacitor connection pin for phase compensation 18 sb i short brake terminal 19 fg2 o 3phase synthesized fg signal output terminal 20 fr o rotation detect signal output terminal 21 e cr i torque control standard voltage input terminal 22 e c i torque control voltage input terminal 23 ps i start & stop switch 24 fg o fg signal output terminal 25 v cc pwr power supply for signal division 26 gsw i gain switch 27 v m pwr power supply for driver division 28 r nf i resistance connection pin for output current sense ? pin description S3313
ksd-i7a005-001 4 sept., 2010 rev. 01 parameter symbol limits unit v cc 7 v supply voltage v m 15 v power dissipation p d 2.2 w operate temperature range t opr -20 ~ +75 storage temperature range t stg -55 ~ +150 [ pd ] when mounted on a 70 mm70mm1.6mm glass epoxy board. derating in done 17.6mw/ for operating above ta=25 [ t stg ] should not exceed pd or soa and t j =150 values parameter symbol limits unit v cc 4.5 ~ 5.5 v power supply voltage v m 3.0 ~ 14 v ? absolute maximum ratings ( ta = 25 ) ? guaranteed operating conditions ( ta = 25 ) ? 70mm70mm1.6mm glass epoxy board . ? de-rating is done at 17.6mw/ for operating above t a =25 ? power dissipation curve [ pd ] S3313
ksd-i7a005-001 5 sept., 2010 rev. 01 ( unless otherwise specified ta=25 , vcc=5v, v m =12v ) specification no characteristics symbol condition min. typ. max. unit 1 circuit current 1 i cc1 ps=l, gsw=open - 0 0.2 ma 2 circuit current 2 i cc2 ps=h, gsw=open - 6.2 9.1 ma < power save > 3 on voltage range v pson circuit off - - 1.0 v 4 off voltage range v psoff circuit on 2.5 - - v < hall bias > 5 hall bias voltage v hb i hb =10ma 0.5 0.9 1.5 v < hall amp > 6 input bias current i ha - 0.7 3.0 ua 7 in-phase input voltage range v har 1.0 - 4.0 v 8 minimum input level v inh 50 - - mv pp 9 h 3 hysteresis level v hys 5 20 40 mv < torque control > 10 input voltage range e c , e cr linear range 0.5 ~ 3.3v 0 - 5.0 v 11 offset voltage (-) e coff- e cr =1.65v, gsw=l -75 -45 -15 mv 12 offset voltage (+) e coff+ e cr =1.65v, gsw=l 15 45 75 mv 13 input current e cin e c =e cr 7.4 9.2 11 ua 14 input-output gain l g ecl gsw=l, rnf=0.5 0.52 0.65 0.78 a/v 15 input-output gain m g ecm gsw=open, rnf=0.5 1.04 1.30 1.56 a/v 16 input-output gain h g ech gsw=h, rnf=0.5 r 2.24 2.80 3.36 a/v < gain switch > 17 low voltage range v gswl - - 1.0 v 18 open voltage range v gswop - 2.0 - v 19 high voltage range v gswh 3.0 - - v < fg > 20 fg output high voltage v fgh i fg =-20ua 4.5 4.8 - v 21 fg output low voltage v fgl i fg =3ma - 0.2 0.4 v < fg2 > 22 fg2 output high voltage v fg2h i fg2 =-20ua 4.6 4.9 - v 23 fg2 output low voltage v fg2l i fg2 =3ma - 0.2 0.4 v 24 duty ( reference ) du - 50 - % ? electrical characteristics 1 S3313
ksd-i7a005-001 6 sept., 2010 rev. 01 ( unless otherwise specified ta=25 , vcc=5v, v m =12v ) specification no characteristics symbol condition min. typ. max. unit < rotation detector > 25 fr output voltage h v frh i fr = -20ua 4.1 4.4 - v 26 fr output voltage l v frl i fr = 3ma - 0.2 0.4 v < output > 27 saturation voltage h v oh i o = -600ma - 1.0 1.35 v 28 saturation voltage l v ol i o = 600ma - 0.4 0.65 v 29 pre-drive current i vml e c =5v, output = open - 35 70 ma 30 torque limit current i tl r nf = 0.5 560 700 840 ma < short brake > 31 on voltage range v sbon br=0v 2.5 - - v 32 off voltage range v sboff br=0v - - 1.0 v < brake mode > 33 on voltage range v bron e c e cr , sb=open 2.5 - - v 34 off voltage range v broff e c e cr , sb=open - - 1.0 v ? electrical characteristics 2 S3313
ksd-i7a005-001 7 sept., 2010 rev. 01 application information 1. input-output circuits 1) power save ( pin 23 ) 2) torque control input ( pin 21, pin 22 ) 3) 3phase output power tr structure ( a1:pin 7, a2:pin 4, a3:pin 2 ) 1k ? 1k ? pin 21 pin 22 rnf rnf resistance v m 2 4 7 15k ? 10k ? pin 23 all circuit on/off S3313
ksd-i7a005-001 8 sept., 2010 rev. 01 2. thermal shut down ( tsd ) the built-in thermal shutdown circuit mutes the output current when the chip temperature reaches 175 (typ.). the hysteresis is set to 25 (typ.) by ihys, so the circuit will start up again when the chip temperature falling to 150 (typ.) 3. brake mode & short brake mode input ?h? voltage to br pin, change brake type at e c > e cr . input ?h? to short brake pin. short brak e operates to output-upper-power tr off and output-lower-power tr on. current sense amp. output band-gap voltage tsd circuit q1 q2 current sense amp. gain control rev fwd br sb brake mode & short brake circuit S3313
ksd-i7a005-001 9 sept., 2010 rev. 01 4. gain switch we can determine the value of input-output gain g ec by r nf -resistance, and calculate it with the following formula. g ec =0.325/r nf [a/v] (gsw = low : 0v) g ecm =0.65/r nf [a/v] (gsw = open) g ech =1.40/r nf [a/v] (gsw = high : 3v ) torque sense amp vcc gsw va vb vc q1 q2 - + - + S3313
ksd-i7a005-001 10 sept., 2010 rev. 01 5. reverse rotation detector case 1] forward rotation ( ec ecr ) hall input h1+ and h2+ have phase relation as shown reverse rotati on detector circuit. in this case, reverse detection don?t operate. case 2] reverse rotation ( ec ecr ) hall input h1+ and h2+ have oppo site relation to forward rotation. so detective circuit operate, make output open. actual motor rotation at reverse detection forward rotation at ec ecr rotating speed is decreased due to reverse torque at ec ecr when motor starts to reverse, reverse de tection operates and output become open rotating reverse at short time due to inertia stop + - h1+ h1- ck ec ecr h2+ h2- + - + - fr + - S3313
ksd-i7a005-001 11 sept., 2010 rev. 01 6. rotation speed detection dsp chip can detect rotation speed by this circuit, show us fg and fg2?s output pulse. h1+ h2+ h3+ h1- h2- h3- + - + - + - h1 h2 fg2 fg h3 h1 output wave h2 output wave h3 (fg) output wave fg2 S3313
ksd-i7a005-001 12 sept., 2010 rev. 01 7. power output forward rotation and reverse rotation are decided by torque sense amp. forward rotation [ ec ecr ] reverse rotation [ ec ecr ] the power output?s current is controlled limita ry, according to torque sense amp?s sink current and current sense amp?s source current, wh en ec and ecr have potential difference. maximum current : ilimit = vrnf / 0.5 ( vrnf = vm-va ) [ input-output table ] output input condition forward rotation reverse rotation pin no. 9 10 11 12 13 14 7 4 2 7 4 2 h1+ h1- h2+ h2- h3+ h3- a1 a2 a3 a1 a2 a3 notice condition 1 l m h m m m h l l l h h pin 7 [ h ] condition 2 h m l m m m l h h h l l pin 7 [ l ] condition 3 m m l m h m l h l h l h pin 4 [ h ] condition 4 m m h m l m h l h l h l pin 4 [ l ] condition 5 h m m m l m l l h h h l pin 2 [ h ] condition 6 l m m m h m h h l l l h pin 2 [ l ] vm vm vm ec ecr a1 rnf 0.5 vm torque sense amp current sense amp negative feedback output power tr structure a3 a2 va S3313
ksd-i7a005-001 13 sept., 2010 rev. 01 8. input-output timing chart h1+ h2+ h3+ a1 output current a1 output voltage a2 output current a2 output voltage a3 output current a3 output voltage S3313
ksd-i7a005-001 14 sept., 2010 rev. 01 characteristic diagrams fig.4 v gsw - v rnf [ in-output gain] fig. 3 v ec - v ecoff fig. 1 v cc - i qc fig. 2 temperature - i qc fig.6 i o ? v osat [upper/lower] fig. 5 v ps - i qc S3313
ksd-i7a005-001 15 sept., 2010 rev. 01 ? application circuit 9 1 0 1 1 1 2 1 3 1 4 2 4 7 8 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 5 2 6 2 7 2 8 2 4 + - + - + - + - + - + - - + + - S3313
ksd-i7a005-001 16 sept., 2010 rev. 01 ? package dimension s s s s o o p p h h - - 2 2 8 8 with heat-sink S3313
ksd-i7a005-001 17 sept., 2010 rev. 01 the auk corp. products are intended for the use as components in general electronic equipment (office and co mmunication equipment, m easuring equipment, home appliance, etc.). please make sure that you consult with us before you use these auk corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to th e welfare of human life(atomi c energy control, airplane, spaceship, transportation, co mbustion control, all types of safety device, etc.). auk corp. cannot accept liability to any damage which may occur in case these auk corp. products were used in the mentioned equi pments without prior consultation with auk corp.. specifications mentioned in this publicati on are subject to change without notice. S3313

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