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SA5664 hangzhou?silan?microelectronics?co.,ltd rev:1.1??????2005.08.09 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?1?of?12 block?diagram 3-phase?spindle?motor?driver?for?cd-rom description the? SA5664? is? a? cd-rom? spindle? motor? driver? supporting? reverse- rotation? preventing?circuit.? it? incorporates? power? save? circuit, thermal?shut down?circuit,?fg?output,?hall?bias,?etc.?the?3-phase?full-wave?pseudo linear driving?system?achieves?high-performance?and?multi-function. features *?3?-phase,?full-wave,?pseudo?linear?driving?system. *?built-in?power?save?in?stop?mode. *?built-in?current?limiter. *?built-in?3x?and?1x?hall?fg?output. *?built-in?tsd?(thermal?shutdown)?circuit. *?built-in?gain?switch?pin. *?built-in?hall?bias?circuit. *?built-in?rotational?direction?detector. *?built-in?short-brake. *?built-in?reverse?rotation?prevented?circuit. *?built-in?brake?mode?pin. *?corresponds?to?3.3v?dsp. hsop-28-375-0.8 ordering?information device package SA5664 hsop-28-375-0.8
SA5664 hangzhou?silan?microelectronics?co.,ltd rev:1.1??????2005.08.09 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?2?of?12 absolute?maximum?ratings (t amb =25 c) characteristics symbol rating unit maximum?supply?voltage v cc 7 v maximum??supply?voltage v m 15 v power?dissipation p d 2200 mw operate?temp.?range t opr -20~+75 c storage?temp.?range t stg -55~+150 c maximum?output?current i out 1300 ma electrical?characteristics ?(unless?otherwise?noted,?t amb =25 c,?v cc =5v,v m =12v?,?r l =8? , rnf=0.5? ) (to?be?continued) characteristics symbol test?condition min. typ. max. unit total v cc ? -- 4.5 5.5 v operating?supply?voltage v m ? -- 3.0 14 v quiescent?current i cc1 ? ps=l,?gsw=open -- 0 0.2 ma circuit?current?1 i cc2 ? ps=h,?gsw=open -- 15 20 ma circuit?current?2 i cc3 ps=h,?gsw=open h1,2,3 ? 1/2v cc +0.1 h1,2,3 1/2v cc -- 0.46 1.0 ma power?save on?voltage?range v pson output?driver?off -- -- 1.0 v off?voltage?range v psoff output?driver?on 2.5 -- -- v ps?input?current i ps ? ps=5v -- 230 -- a hall?bias hall?bias?voltage v hb ?v ps ?=?5?v,?i hb =10ma - 0.5 1.5 v hall?amp input?bias?current i ha -- -- 0.7 3.0 m a common-mode?input?range v har -- 1.0 -- 4.0 v minimum?input?level v inh -- 50 -- -- mvpp h1?hysteresis?level v hys -- 5 20 40 mv torque?control input?voltage?range e c ,?e cr linear?range?0.5~3.3v 0 -- 5.0 v offset?voltage?- e coff- e cr =1..65v,?gsw=0?v -75 -45 -15 mv offset?voltage?+ e coff+ e cr =1.65v,?gsw=0?v 15 45 75 mv input?current e cin ?e c =e cr =1.9?v -3 -- 3 m a input-output?gain?l g ecl gsw=0?v,??rnf=0.5 w 0.52 0.65 0.78 a/v input-output?gain?m g ecm gsw=open,???rnf=0.5 w 1.04 1.30 1.56 a/v input-output?gain?h g ech gsw=h,???rnf=0.5 w 2.24 2.80 3.36 a/v
SA5664 hangzhou?silan?microelectronics?co.,ltd rev:1.1??????2005.08.09 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?3?of?12 (continued) rotation?detect current?of??fr?output?hi i frh ?v ol =0.3v 0.1 0.13 0.23 ma current?of?fr?output??low i frl ?v ol =5.0v 4.0 7.0 10.0 ma characteristics symbol test?condition min. typ. max. unit gain?switch low?voltage?range v gswl -- -- 1.0 v hi-voltage?range v gswh gsw=open,?e cr =1.9?v e c =1.7?v 2.5 -- -- v open?voltage v gswop -- -- 2.0 -- v fg current?of?fg?output?hi i fgh ?v ol =0.3v 0.2 0.4 1 ma current?of?fg?output?low i fgl ?v ol =5.0v 6 12 18 ma fg2 current?of?fg2?output?hi i fg2h v ol =0.3v 0.55 0.75 0.95 ma current?of??fg2?output?low i fg2l v ol =5.0v 6 12 18 ma output saturation?voltage?h v oh i o =-600ma??(v m-rn f short) -- 1.0 1.35 v saturation?voltage?l v ol ?i o =600ma -- 0.4 0.65 v pre-drive?current i vml e c =0?v?or?5v,?e cr =1.9? v ps =?5v??output?open -- 35 70 ma torque?limit?current i tl ? ?rnf=0.5 w 560 700 840 ma short?brake on?voltage?range v sbon br=0v 2.5 -- -- v off?voltage?range v sboff br=0v -- -- 1.0 v sb?input?current i sbin ? sb=5v -- 240 -- m a brake?mode on?voltage?range v bron e c >e cr ,?sb=open 2.5 -- -- v off?voltage?range v broff e c >e cr ,?sb=open -- -- 1.0 v br?input?current i brin ? br=5v -- 210 -- m a
SA5664 hangzhou?silan?microelectronics?co.,ltd rev:1.1??????2005.08.09 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?4?of?12 pin?configuration pin?description pin?no. pin?name descriptions 1 nc n o?connection 2 a3 output ?(a3) 3 nc n o?connection 4 a2 output ?(a2) 5 nc n o?connection 6 nc n o?connection 7 a1 ou tput ?(a1) 8 gnd g round 9 h1+ hall?signal?(h1+) 10 h1 - hall?signal?(h1 - ) 11 h2+ hall?signal?(h2+) 12 h2 - hall?signal?(h2 - ) 13 h3+ hall?signal?(h3+) 14 h3 - hall?signal?(h3 - ) 15 vh hall?bias 16 br brake?mode 17 cnf p hase?compensation c apacitor 18 sb short?brake 19 fg2 fg?signal?(3x) 20 fr rotation terminal?direction?output 21 ecr output?current?control?reference 22 ec output?current?control?voltage 23 ps start/stop mode 24 fg fg?signal (1x) 25 v cc power?supply?for signal ?division 26 gsw g ain?switch 27 v m power?supply?for?driver?division 28 rnf o utput?current?sense r esistance
SA5664 hangzhou?silan?microelectronics?co.,ltd rev:1.1??????2005.08.09 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?5?of?12 function?descriptions (1)?input-output?table output input?condition regular reverse test point 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 condition1 l m h m m m h l l l h h? 7?pin?hi condition2 h m l m m m l h h h l l? 7pin?low condition3 m m l m h m l h l h l h? 4?pin?hi condition4 m m h m l m h l h l h l? 4pin?low condition5 h m m m l m l l h h h l? 2pin?hi condition6 l m m m h m l h h l l h? 2pin?low caution1:?regular?ececr input?voltage:?h=2.6?v,?m=2.5?v?,?l=2.4?v (2)?torque?voltage?range,?gain?switch fig.1 l ? by?amplifying?the?voltage?difference?between?ec?and?ecr?from?servo?ic,?the?torque?sense?amp?produces the?input?(vamp)?for?the?current?sense?amp. l ? the?output?current?(io)?is?converted?into?the?voltage?(vnf)?through?the?sense?resistor?(rnf)?and?compared with?the?vamp.?by?the?negative?feedback?loop the?sensed?output?voltage,?v nf ?is?equal?to?the?input?vamp. therefore,?the?output?current?(io)?is?linearly?controlled?by?the?input?vamp. l ? as?a?result,?the?signals?ec?and?ecr?can?control?the?velocity?of?motor?by?controlling?the?output?current?(io)?of the?driver. l ? the?range?of?the?torque?voltage?is?shown?fig.2 fig.2
SA5664 hangzhou?silan?microelectronics?co.,ltd rev:1.1??????2005.08.09 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?6?of?12 rotation ececr stop we?can?determine?the?value?of?input-output?gain?gec?by?rnf?resistance,?and?calculate?it?with?the?following formula.?gec=0.325/rnf?[a/v]??(gsw=l) gecm=0.65/rnf?[a/v]?(gsw=open) gech=1.40/rnf?[a/v]?(gsw=h) torque?limit?current?itl?can?be?calculated?by?itl=0.35/rnf?[a] the?input?range?of??ecr?and?ec?is?0.5?v?~?3.3?v?(r nf =?0.5 ? ). (3)?power?save when?power?save?function?is?active all?power?trs?turn?off. ?(4)?reverse?detection fig.3 + - + - d ck q + - h1+ h1- h2+ h2- ec ecr d-f/?f high?active a l ? when?the?output?of?the?and?gate,?a?is?high,?the?output?of?the?driver?becomes?open?and?the?motor?stops. l ? when?in?the?state?of?the?forward?rotation,?the?d-f/f?output?q?is?low?and?the?control?input?is?ec??ecr,?then?the?motor?rotates?slowly?by?the reverse?commutation?in?the?driver.?when?the?motor?rotates?in?reverse?direction,?the?d-f/f?output?becomes high?and?the?and?gate?output,?becomes?high.?thus?detective?circuit?operates,?make?the?output?of?the driver?becomes?open?and?the?motor?stops. forward?rotation?at?ececr.(forward) when?motor?rotates?in?reverse,?reverse?detection?operates?and?output?become?open. rotating?reverse?at?short?time?due?to?motor?inertia. stop
SA5664 hangzhou?silan?microelectronics?co.,ltd rev:1.1??????2005.08.09 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?7?of?12 ?(5)?input-output?timing?chart fig.4 (6)?brake?mode?terminal input??h??voltage?to?br?pin.?change?brake?type?at?ec>ecr fig.?5 vcc 15 . 10 . 16 pin?16 ececr l? regular?rotation stop?by?reverse?detection br h? regular?rotation stop?by?short?brake (7)?short?brake fig.?6
SA5664 hangzhou?silan?microelectronics?co.,ltd rev:1.1??????2005.08.09 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?8?of?12 pin?18 short?brake high on low off when?the?short?brake?function?is?active,? all?upper?power?trs?turn?off?and?all?lower? power? trs?turn?on,? and?the motor?slows?down. (8)?hall?sensor?connection hall?element?can?be?used?with?both?series?connection?and?parallel?connection. please?set?hall?input?voltage?at?1.0~4.0v?and?hall?minimum?input?level?over?50mvpp. and?estimate?the?value?of?resistance?to?vh?pin?and?v cc ?pin.?there?considering?the?current?into?the?hall?element. when?use?without?the?resistance?to?vh?pin.?i vh 3 5ma?is?recommended. fig.7 hall?1 v cc v cc pin15?vh /parallel?connection pin15?vh /serial?connection hall?2 hall?3 hall?3 hall?2 hall?1 (9)?fg?(1x)?output,?fg2?(2x)?output fig.8
SA5664 hangzhou?silan?microelectronics?co.,ltd rev:1.1??????2005.08.09 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?9?of?12 (10)?thermal?shut?down?(tsd) if? the? temperature? of? chip? rises? above? 175 c? (typ),? it? makes? and? the? output? driver? shuts? down.? tsd? has temperature?hysteresis?of?about?15 c?(typ). test?circuit
SA5664 hangzhou?silan?microelectronics?co.,ltd rev:1.1??????2005.08.09 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?10?of?12 typical?application?circuit 2 4 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 hall 1 hall 2 hall 3 a3 a2 a1 gnd h1+ h1- h2+ h2- h3+ h3- vh br cnf sb fg 2 fr ecr ec s ervo signal ps fg v cc gsw vm r nf r nf v m 0. 1?uf 0. 5 12 v
SA5664 hangzhou?silan?microelectronics?co.,ltd rev:1.1??????2005.08.09 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?11?of?12 package?outline hsop-28-375-0.8 unit:?mm 1 0 . 2 0 . 3 7 . 5 0 . 2 0 . 1 5 2 . 3 0 0 . 2 0 9 . 5 2 5 0 . 2 + 0 . 1 0 - 0 . 0 5
SA5664 hangzhou?silan?microelectronics?co.,ltd rev:1.1??????2005.08.09 http:?www.silan.com.cn????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?12?of?12 attachment revision?history data rev description page 2003.04.08 1.0 original 2005.08.09 1.1 change?the?electronic?characteristics. 5

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