m63023/024/026/027fp spindle motor and 5ch actuator driver ( / 1 7 ) mitsubishi semiconductors rev010307 [features] pin configuration (top view) package outline : 42 pin power ssop (42p9r-k) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 [application] cd-rom, cd-r/rw,dvd, dvd-rom, dvd-ram ,optical disc related system,etc 1 this ic is 1 chip driver ic for spindle motor and 5 channel actuators. all of the motor and actuator of optical disk drive system (cd-rom etc.) can be drived by only this ic. this ic has a direct pwm control system for spindle and slide channels drive due to reducing ic power dissipation. this ic has three voltage supply terminals (for spindle,slide,focus/tracking and loading), and three voltage supply can be set separately. further more this ic has short braking select function,fg amplifier, thermal shut down circuit, standby circuit, reverse rotation detect circuit. [block diagram] 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 22 23 24 sl1in sl2in vm2 rsl2 sl2+ sl2- gnd rsl1 sl1+ sl1- gnd w v u rsp hw- hw+ hv- hv+ hu- hu+ osc 5vcc mu1 vm3 loin+ fo- fo+ to+ to- gnd lo- lo+ hb gnd foin toin spin ref fg mu2 vm1 fg reverse detect 120 matrix ctl amp. current comp. direction comp. ctl amp. current comp. direction comp. logic bias tsd fg hu+ hu- hv+ hv- hw+ hw- ref spin sl1in toin foin mu1 s s s osc frequency generator 023/026 fg x1 regulator logic s current comp. direction comp. sl2in x8 5v power supply ctl amp. hall bias mu2 brake select 026/027 x12 023/024 x5 026/027 x12 024/027 fg x3 023/024 x5
m63023/024/026/027fp spindle motor and 5ch actuator driver ( / 1 7 ) mitsubishi semiconductors rev010307 2 [pin function] symbol symbol terminal terminal function terminal terminal function 1 2 3 4 5 6 7 8 15 16 17 18 19 21 22 23 24 25 26 27 28 36 37 38 39 40 41 42 loading non-inverted output lo+ loading inverted output lo- hw- hw+ hv- sensor amp. input hv- rsl1 slide current sense 1 motor drive output u u spindle current sensie rsp gnd gnd gnd gnd 14 20 29 hw+ sensor amp. input hw- sensor amp. input hv+ sensor amp. input hv+ hu- sensor amp. input hu- hu+ hu+ sensor amp. input 35 9 sl1+ slide non-inverted output 1 34 10 sl1- slide inverted output 1 33 gnd gnd 11 gnd gnd 32 12 w motor drive output w 31 13 v motor drive output v 30 vm2 sl1in spin tracking control voltage input pwm carrier oscilation set osc fg frequency generator output foin focus control voltage input toin spindle control voltage input focus inverted output fo- to- tracking inverted output to+ tracking non-inverted output hb ref focus non-inverted output fo+ reference voltage input vm1 motor power suppry 2 ( for slide) motor power suppry 1(for spindle) loin+ loading control input(+) 5vcc slide control voltage input 1 sl2in slide control voltage input 2 rsl2 slide current sense 2 sl2+ slide non-inverted output 2 sl2- slide inverted output 2 5v power supply(for fs ,ts) vm3 power supply3 ( for loading) bias for hall sensor mute /break select terminal 2 mu2 [function] M63023FP m63024fp m63026fp m63027fp fo,to gain fg pulse 5 (v/v) 5 (v/v) 12 (v/v) 12 (v/v) x 1 (6pulse/rot.) x 1 (6pulse/rot.) mute /break select terminal 1 mu1 x 3 (18pulse/rot.) x 3 (18pulse/rot.)
m63023/024/026/027fp spi ndle motor and 5ch actuator d ri ver ( / 1 7 ) mits ubi shi s emiconductors rev010307 3 k 0 mw / c c c c -20 +75 -40 +150 vm2 ioa v a vin pt tj topr t s tg 150 w symbol pa ra meter condi t ions ra t ing unit mo tor po wer suppl y 2 slide po wer supply mo tor output current a po wer di ss ipation free air and on the grass epox y board ther mal derating junction temperature opera t ing temperature s torage temperature ma x imum input voltage o f terminals 0 5v cc v [absol u te maxim um ra t ing ] (ta=25 c ) 1.0 20.8 focus, tra ck ing and loading output current mu1,hw-,hw+,hv,hv+,hu-,hu+,ref,spin, mu2 to in,foin,osc,slin1,slin2,loin+ 2.6 free air and on the grass epox y board 15 15 v vm1 mo tor po wer suppl y 1 spindle po wer supply 5v cc 5v po wer supply 7 v iob a mo tor output current b 1.5 *note 1 spindle output current v v 12 [reco mme nded opera t ing condi tio ns] (ta=25 c ) symbol pa ra meter minimum typ ical ma x imum l imits unit vm1 power suppl y ( f or spindle) vm1 13.2 ioa spindle output current iob khz fosc a 0.5 v 12 vm2 power suppl y ( f or slide) vm2 4.5 13.2 6 1.0 12030 pw m carrier f requen cy focus and tra ck ing power supply 5vcc 5v po wer suppl y ( f or fs, ts) 5 7 4.5 *note1 ; the i cs mu s t be ope rated within the pt (power di ss ipation ) or the area of s afety ope rat ion. in ca s e of the s pindle moto r t o repeat accele ration anddecele ration , the s pindle output voltage become ove r t he a rea of s afety ope ration. the refore the s pindle channel plea se in s e rt c apac i to r between each s pindle output te rminal s. (w e recommend capacito r v alue i s 6.8nf.) vm3 v mo tor po wer suppl y 3 loading power supply 15 ioc a mo tor output current c 0.5 slide ou tput current ioc slide ou tput curr ent a 0.25 0.4 v 12 vm3 power suppl y ( f or loading) vm3 4.5 13.2 a focus, tra ck ing and loading output current 0.5 0.8 *note 1 *note 1 *note 1
m63023/024/026/027fp spindle motor and 5ch actuator driver ( / 1 7 ) mitsubishi semiconductors rev010307 [ thermal derating ] ambient temperature ta ( c ) 0 25 50 75 100 125 150 1.0 2.0 3.0 4.0 5.0 6.0 (w) using n-type board using p-type board this ic's package is power-ssop, so improving the board on which the ic is mounted enables a large power dissipation without a heat sink. for example, using an 1 layer glass epoxy resin board, the ic's power dissipation is 2.6w at least. and it comes to 3.6w by using an improved 2 layer board. the information of the n, p type board is shown in attached. 4 icc1 icc2 ma fosc khz 5vcc,vm1, vm2 ,vm3 current 65 5vcc,vm1, vm2 ,vm3 current under sleep symbol parameter supply current conditions limits min typ max unit pwm carrier frequency sleep current (mu1=mu2 = 0v). [ electrical characteristics ] 55 common osc : with 330pf vinref v 3.3 ref input voltage range vmu1lo v 0.8 mute1 terminal low voltage mu1 vmu1hi v im1u ua 500 mute1 terminal input current at 5v input voltage 1.0 2.5 iinref ua ref terminal input current vref=1.65v + 10 -10 (ta=25 c, 5vcc=vm3=5v,vm1=vm2=12v unless otherwise noted.) 72 mute1 terminal high voltage mu1 mu1 0 30 ua v 0.8 mute2 terminal low voltage mu2 v ua 500 mute2 terminal input current at 5v input voltage 2.5 mute2 terminal high voltage mu2 mu2 vmu2lo vmu2hi im2u
m63023/024/026/027fp spindle motor and 5ch actuator driver ( / 1 7 ) mitsubishi semiconductors rev010307 5 [ electrical characteristics ] vdyc1 vdead1- v vin1 v mv symbol parameter dynamic range of output conditions limits min typ max unit control voltage input range 1 control voltage dead zone 1 spin 11.1 10.6 0 spindle gvo1 v/v 1.0 1.15 control gain 1 gio1=gvo1/ rs [a/v] vlim1f v 0.6 control limit 1f vhmin mvp-p 0.85 0.4 vhcom v common mode input range hall sensor amp. input signal level hall sensor amp. mv + 80 vdead1+ spin[ m63023/024/026/027fp spindle motor and 5ch actuator driver ( / 1 7 ) mitsubishi semiconductors rev010307 6 [ electrical characteristics ] v dyc3-1 v vin3 v symbol parameter conditions limits min typ max unit control voltage input range3 loading gvo3 db control gain 3 (loin+) - (ref) voff1 mv + 50 output offset voltage - 50 (lo+) - (lo-) at loin+=ref =1.65v 0 (lo+) - (lo-) dynamic range of output loin+ 5 0 4.20 3.95 vm1=12[v] (ta=25 c, 5vcc=vm3=5v,vm1=vm2=12v unless otherwise noted.) [thermal characteristics] symbol parameter unit min typ max min typ max function start temperature of ic function stop temperature of ic tsd thermal shut down 165 c 130 vdyc4 v vin4 v symbol parameter conditions limits min typ max unit control voltage input range 4 focus / tracking gvo4 db control gain 4 foin - ref v off2 output offset voltage (fo + ) - (fo - ) at ref=foin=1.65v (to + ) - (to - ) at ref=toin=1.65v (fo + ) - (fo - ) vm1=12[v] dynamic range of output foin,toin 5 0 4.25 4.0 mv toin - ref (to + ) - (to - ) + 30 - 30 0 14.0 15.2 12.6 (ta=25 c, 5vcc=vm3=5v,vm1=vm2=12v unless otherwise noted.) 19.3 16.7 vm3=5[v] io=0.5a 7.6 6.9 vm3=12[v] io=0.5a v dyc3-2 dynamic range of output r=5.4[ ohm ] vm3=4.75v , vm1=12v 3.55 3.35 v note : this ic need condenser between each supply lines and gnd for stoped oscillation. *note3 this tsd function start temperature doesn't show the guaranteed max. temperature of the device. the guranteed max. temperature is tj max. which is shown in "9. absolute maximum rating". the tsd function is a thermal protection in case the temperature of the device goes up above tjmax because of wrong use. and these tsd temperature are the target temperatures for circuit design, not the guranteed temperatures. (the tsd function of all the device is not checked by a test in high temperature.) 18.1 21.6 22.8 20.2 m63023/024fp m63026/027fp io=0.5[a] io=0.8[a] 3.95 3.55
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m63023/024/026/027fp spi ndle motor and 5ch actuator d ri ver ( / 1 7 ) mits ubi shi s emiconductors rev010307 7 loading channel lo in+ ref lo+ lo- m for ward re v er se vm3 loading channel vo + - the loading channel is the circuit o f btl vol tage dri v e. thi s c ir cuit has the re f erential input. ou tput s w ing i s determined w ith vin x 8. also, i t is possible f or this channel to use f or the slide motor , the f ocus coil and the tracking coil. the inpu t t er m inal i s high impedance. it is possible to do v ariable a gain b y external resistor. in case o f one m cu port, i f use three state port, i t is possible f or this channel to have the stop f unction. thi s ic ha s t wo m ute terminal (mu1 and mu2). it is possible to control on / off o f ea ch channel b y external logic inputs. it has f our k ind s o f f un ct ion f or select.in case o f sele ct1, the bias o f all c ir cuit becomes off. there f ore , t hi s m ode i s available in order to reduce the po wer di ss ipation when the wai ting mode. in case o f sele ct2, the bias o f other than loading circuit becomes off. there f ore , t hi s m ode i s available in order to reduce the po wer di ss ipation when the active mode. in case o f sele ct3,it is possible to select the short braking to tak e the brake o f spindle motor. al so,in case o f sele ct4,it is possible to select pw m re v er se braking when in the same. channel s ele ct funct ion logic control drive channel brake select mu1 mu2 loading slide1 slide2 forcus tracking spindle (spin m63023/024/026/027fp spi ndle motor and 5ch actuator d ri ver ( / 1 7 ) mits ubi shi s emiconductors rev010307 logic control situation of loading channel output voltage swing p1 5v forward rotation vo= 8x(5[v]-ref[v]) xr2/(r1+r2) z short brake --> stop vo= 0 [v] (hi impedance) (hi impedance) 0 reverse rotation vo= -8x(5[v]-ref[v]) xr2/(r1+r2) appli cat ion.1 : one po rt h/z/l cont rol) 8 r1 p1 r2 lo in+ ref appli cat ion.1 (one po rt h/z/l contro l) p1 5v 0v z lo+ lo- lo+ lo- coil coil gvo = 8 [v/v] - + output volt age [v] vo vm3 2 vo= [lo+]-[lo-] =8 x ([l oi n+]-[r ef]) [loin+]- [ re f ] (v)
m63023/024/026/027fp spindle motor and 5ch actuator driver ( / 1 7 ) mitsubishi semiconductors rev010307 9 spindle channel the relationship between the differential voltage between spin and ref and the torque is shown in right figure. the voltage gain[gvo] is 1.0 [v/v]. the current gain[gio] is 2.0[a/v] (at sensing resistor : 0.5 ohm,and r1= ,r2=0ohm) in forward torque directions, and the dead zone is from 0mv to 80mv (at r1= ,r2=0ohm) . the coil current gain under the reverse torque is the same with in forward torque directions.and the limitation function gets on when the differential voltage of vm1(12v) rsp is 0.5v. therefore current-gain-control and current-limit of this ic is determined with sensing resister value, and more detail control can be determined with setting a gain-resister outer this ic as below. gio*= r1 / [(r1+r2) xrs] [a/v] the example of current-gain and current-limit of spindle. ref spin rsp r1 r2 1.65v ctl vm1 rs hb hu+ hu- hv+ hv- hw+ hw- u v w m rh 5v gnd rs [ohm] 0.50 0.56 2.00 ilim1r [a] 0.75 0.37 1.33 1.00 0.28 1.00 gio* [a/v] 1.00 0.66 0.50 0.66 0.44 0.33 r1= r2=0 ohm r1=r2 r2=2 x r1 ctl -ref (v) reverse torque dead zone current limit current limit gio gio dead zone lim1f lim1r 1.00 ilim1f [a] 0.66 0.50 forward torque
m63023/024/026/027fp spindle motor and 5ch actuator driver ( / 1 7 ) mitsubishi semiconductors rev010307 the relationship between the differential voltage between slin and ref and the torque is shown in right figure. the voltage gain[gvo] is 1.0 [v/v]. the current gain is 2.0[a/v] (at sensing resistor : 0.5 ohm and r1= ,r2=0ohm) in forward torque directions, and the dead zone is from 0mv to 80mv (at r1= ,r2=0ohm)). the coil current gain under the reverse torque is the same with in forward torque directions.and the limitation function gets on when the differential voltage of vm2(12v) rsl is 0.5v. therefore current-gain-control and current-limit of this ic is determined with sensing resister value. the example of current-gain and current-limit of slide. slide channel 10 slin -ref (v) current limit gio forward reverse current limit dead zone dead zone gio rs [ ohm ] 0.50 1.00 2.00 ilim [a] 0.75 0.66 1.33 1.00 0.50 1.00 gio* [a/v] 1.00 0.66 0.50 0.66 0.44 0.33 r1= r2=0 ohm r1=r2 gio*= r1 / [(r1+r2) xrs] [a/v] rs m forward reverse r1 r2 1.65v ctl ref sl1in rsl1 sl1+ sl1- gnd rs m forward reverse r1 r2 1.65v ctl ref sl2in rsl2 sl2+ sl2- gnd vm2 vm2 r2=2 x r1
m63023/024/026/027fp spindle motor and 5ch actuator driver ( / 1 7 ) mitsubishi semiconductors rev010307 11 focus / tracking channel ra ra r r r r fo- fo+ foin ref 5vcc coil foin - ref (v) fo+ fo- fo+ fo- coil coil gvo = 5 [v/v](m63023/024fp) - + output v oltage [v] vo 5vcc 2 vo=[fo+]-[fo-] =5 or 12 x (foin-ref) the focus and tracking channel is the voltage control drive using btl . the focus and tracking is the same composition. the relationship between the differential voltage between foin and ref and the output voltage is shown in below figure. the voltage gain [gvo] is 5.0 [v/v].(m63023/024fp) the voltage gain [gvo] is 12.0 [v/v].(m63026/027fp) ra r ra r gvo = 12 [v/v](m63026/027fp) m63023/024fp ra=2.5r m63026/027fp ra=6r
m63023/024/026/027fp spi ndle motor and 5ch actuator d ri ver ( / 1 7 ) mits ubi shi s emiconductors rev010307 12 forw ard current path timing 1. forw ard current path timing 2. ti me carr ier period moto r c urrent con trol value io=v rs / rs con trol value cu rre nt path 1 cu rre nt path 2 d i rect pw m ope rat ion m current path 1 rs current path 2 m rs vm2 vm2 rsl rsl sl+ sl- sl+ sl- gnd gnd vm1 vm1 current comp current comp the spindle and the slide channel is controlled by the direct pwm control. analog input voltage control the driving current which is in proportion to input voltage. this control is direct pwm control type of motor current chopper. also,built-in the current limit circuit. this ic controls the motor current directly. direct pwm operation as follows; 1) the current which flows on a motor is detected, and current is supplied from a power supply until it reaches the predetermined instruction value to which the current is proportional to input voltage. 2) when current reaches an instruction value, an output transistor is changed and the period coil inertia energy to a career cycle is made to regeneration using an internal path. 3) after repeat 1) and 2). therefore, the ic constantly surveillance and control the current value itself use sensor resistor. moreover, these ics built-in current limit circuit so that protect to large current. thus, if input excessive control voltage, the current don't flow that settle limit current.
m63023/024/026/027fp spindle motor and 5ch actuator driver ( / 1 7 ) mitsubishi semiconductors rev010307 pwm carrier frequency setting pwm carrier frequency is decided by charging and discharging the capacitor that is connected to osc terminal outer ic. examination of the relationship the capacitor connected to osc terminal and pwm carrier frequency is given in following table. *note) this pwm carrier frequency is typ value. the relationship between hall-amplifier-input and output-current-commutation/fg output at spindle drive the relationship between the hall elements and the motor output current/fg output is shown in bellow figure. hw+ hv+ hu+ u w v u w v u w v output current + 0 - hall input u v w u v w v u w forward spin > ref reverse spin < ref outer roter hall elements 13 capacitor [pf] 330 220 65 90 130 140 carrier frequency [khz] 110 160 180 110 820 750 28 30 recommendation of short brake mode at spindle drive this ic has two brake mode, pwm-brake-mode and short-brake-mode. in this ic recommendation, short- brake-mode is superior to pwm-brake-mode to reducing the power dissipation and to avoid braking down of this ic. (by excessive reverse torque current in braking a motor with pwm-brake from high-speed-rotation with being excessive back-emf, this ic could be broken.) fg output m63023/026fp m63024/027fp
m63023/024/026/027fp spindle motor and 5ch actuator driver ( / 1 7 ) mitsubishi semiconductors rev010307 fg function at spindle drive the fg terminal outputs the square pulse signal synchronizing with the hall inputs timing. and, the fg terminal is open-collector output. phase delay circuit at slide phase delay circuit is built in the ic to detect an output spike current, when the motor current direction is switching. in switching the motor current direction, phase delay circuit switch-off all output trangister of h- bridge for 3 u sec. output current setting at slide in this ic, since output tranjister is npn-type tranjister, motor coil current (io) is larger than sensing resistance current about 10ma (typ.) according to base current of output tranjister. therefore please design output current with consisting these base current. 14
m63023/024/026/027fp spindle motor and 5ch actuator driver ( / 1 7 ) mitsubishi semiconductors rev010307 15 5vcc 2k hu+ , hu- hv+ , hv- hw+ , hw- ref 5vcc 2k fg vm1 , rsp , u , v , w vm1 rsp u v w gnd vm1 , rsl , sl1+ , sl1- , sl2+ , sl2- 5vcc , vm3,fo+ , fo- , to+ , to- , lo+ , lo- osc 5vcc 2k 2k 2k 5vcc 5vcc lo+ lo- gnd to+ to- reg vm1 9vmax fo+ fo- vm1 rsl1 sl1+ sl1- gnd sl2+ sl2- rsl1 5vcc mu1,mu2 5vcc 2k 8k 30k 10k vm3 foin , toin , spin loin+ , opin- hb 5vcc
m63023/024/026/027fp spindle motor and 5ch actuator driver ( / 1 7 ) mitsubishi semiconductors rev010307 17 [application circuit no.1] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 19 20 21 22 23 24 gnd gnd gnd sl1in vm2 5vcc lo+ lo- rsl1 sl1+ sl1- w v u rsp hw- hw+ hv- hv+ hu- hu+ vm1 fg ref mu1 toin spin foin vm3 fo- to+ to- ts fs loading 10k *pull-up resistance 12v dsp mcu m gnd hb fo+ 1.65v rsl1 rsp r1 r2 r3 r4 5 12v c1 slide loin+ osc m r5 r6 r7 r8 rh sl2in rsl2 sl2+ sl2- m slide rsl2 r9 r11 r10 r12 ref 5v d/a d/a 5v power focus tracking 104 mu2 5 12v loading external parts name typ.value unit note rsp 0.33 ohm ilim1f=1.5a, ilim1r=1.0a, gain=3.0a/v rsl1,rsl2 2 ohm ilim=0.25a, gain=0.5a/v rh 200 ohm r1, r2, r3, r4, r5, r6 10k ohm r7, r8 10k ohm c1 330p f fosc=65khz r9, r10, r11, r12 10k ohm c2 10n f c3 6.8n f c2 c2 c3 [an example of the values of the external parts] *these valuesare only example,not the guaranteed values.and the values differ in each application. the resistor are not necessary in some application. the resistor are not necessary in some application. the resistor are not necessary in some application.
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