MITSUBISHI SEMICONDUCTOR (LSI) M63022FP SPINDLE MOTOR AND 5CH ACTUATOR DRIVER DESCRIPTION PIN CONFIGURATION (TOP VIEW) This M63022FP is 1 chip driver IC for spindle motor and 5 channel actuators. All of the motor and actuator of optical disk drive system 1 42 OSC SL2IN 2 41 MU1 VM2 3 40 LOIN+ RSL2 4 39 VM3 SL2+ 5 38 BRS SL2- 6 37 LO- Further more this IC has short braking select function,FG amplifier, GND 7 36 LO+ thermal shut down circuit, standby circuit, reverse rotation detect RSL1 8 35 FO- circuit. SL1+ 9 34 FO+ 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. SL1- 10 GND 11 APPLICATION CD-ROM, DVD, DVD-ROM, DVD-RAM ,Optical disc related W 12 system,etc M63022FP SL1IN (CD-ROM etc.) can be drived by only this IC. 33 GND 32 TO+ 31 TO- V 13 30 5VCC U 14 29 GND RSP 15 28 TOIN Hw- 16 27 FOIN Hw+ 17 26 SPIN Hv- 18 25 REF Hv+ 19 24 FG Hu- 20 23 HB Hu+ 21 22 VM1 s FG FG HU+ HUHV+ HVHW+ HW- RSL2 SL2+ SL2- VM2 SL1+ SL1- RSL1 s s s Reverse Detect 120˚ MATRIX Hall Bias CTL amp. SPIN REF U V W VM1 BLOCK DIAGRAM RSP Outline 42P9R-K/B Logic Current comp. CTL amp. Direction comp. Logic Current comp. CTL amp. Direction comp. Current comp. TSD BIAS MU1 Frequency generator OSC Direction comp. SL1IN SL2IN VM1 5V power supply FOIN TOIN Regulator Reg BRS 5VCC LOIN+ VM3 LO- X12 X12 X8 FO- FO+ GND TO- TO+ LO+ MITSUBISHI SEMICONDUCTOR (LSI) M63022FP SPINDLE MOTOR AND 5CH ACTUATOR DRIVER DESCRIPTIN OF PIN Pin No. Symbol 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 SL1IN SL2IN VM2 RSL2 SL2+ SL2GND RSL1 SL1+ SL1GND W V U RSP HWHW+ HVHV+ HUHU+ Pin No. Function Slide control voltage input 1 Slide control voltage input 2 Motor Power Suppry 2(for Slide) Slide current sense 2 Slide non-inverted output 2 Slide inverted output 2 GND Slide current sense 1 Slide non-inverted output 1 Slide inverted output 1 GND Motor drive output W Motor drive output V Motor drive output U Spindle current sensie HW- sensor amp. input HW+ sensor amp. input HV- sensor amp. input HV+ sensor amp. input HU- sensor amp. input HU+ sensor amp. input Symbol 42 41 OSC MU1 LOIN+ VM3 40 39 38 37 36 BRS LOLO+ FOFO+ GND 35 34 33 32 31 30 29 28 27 26 25 24 23 22 TO+ TO5VCC GND TOIN FOIN SPIN REF FG HB VM1 Function PWM carrier oscilation set mute 1 Loading control input(+) Power Supply3(for Loading) Brake select control terminal Loading inverted output Loading non-inverted output Focus inverted output Focus non-inverted output GND Tracking non-inverted output Tracking inverted output 5V Power Supply(for FS ,TS) GND Tracking control voltage input Focus control voltage input Spindle control voltage input Reference voltage input Frequency generator output Bias for Hall Sensor Motor Power Suppry 1(for Spindle) ABSOLUTE MAXIMUM RATINGS (Ta=25˚C, unless otherwise noted) Symbol 5VCC VM1 VM2 VM3 IoA IoB IoC Parameter 5V power supply Motor power supply 1 Motor power supply 2 Motor power supply 3 Motor Output Current A Motor Output Current B Motor Output Current C Conditions Focus and Tracking power supply Spindle power supply Slide power supply Loading power supply Vin Maximum input voltage of terminals MU1,Hw-,Hw+,Hv-,Hv+,Hu-,Hu+,REF,SPIN, BRS,TOIN, FOIN, OSC,SLIN1,SLIN2,LOIN+ Pt Kq Tj Topr Tstg Power dissipation Thermal derating Junction temperature Operating temperature Storage temperature Focus,Tracking and Loading output current Note1 Spindle output current Note1 Slide output current Note1 Free air and on the grass epoxy board 70mmX70mmX1.6mm Free air and on the grass epoxy board 70mmX70mmX1.6mm *note1 ; The ICs must be operated within the Pt (power dissipation) or the area of safety operation. RECOMMENDED OPERATING CONDITIONS (Ta=25˚C, unless otherwise noted) Symbol Parameter VM1 VM2 VM3 5VCC IoA VM1 power supply (for spindle) VM2 power supply(for Slide) VM3 power supply(for Loading) 5V power supply(for FS,TS) IoB IoC Fosc Spindle Output Current Slide Output Current PWM carrier frequency Focus, Tracking and Loading Output Current min. 6 4.5 4.5 4.5 – – – 30 Limits typ. 12 12 12 5 0.5 0.5 0.25 – max. 13.2 13.2 13.2 7 0.8 1.0 0.4 120 Unit V V V V A A A kHz Ratings Unit 7 15 15 15 1.0 1.5 0.5 V V V V A A A 0~5VCC V 2.6 20.8 150 -20~+75 -40~+150 W mW/˚C ˚C ˚C ˚C MITSUBISHI SEMICONDUCTOR (LSI) M63022FP SPINDLE MOTOR AND 5CH ACTUATOR DRIVER TYPICAL CHARACTERISTICS Power dissipation (Pdp)W 6.0 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,O type board is shown in attached. 5.0 Using N-type board:3.6W 4.0 Using P-type,O-type board:2.6W 3.0 2.0 1.0 0 0 25 50 75 100 125 150 AMBIENT TEMPERATURE Ta (˚C) ELECTRICAL CHARACTERISTICS Symbol (Ta=25˚C, 5VCC=VM3=5V,VM1=VM2=12V unless otherwise noted.) Parameter Test conditions Min. Limits Typ. Max. 60 0 78 30 Unit Common 5VCC,VM1, VM2 ,VM3 current Icc1 Icc2 Fosc VinREF IinREF VMULO VMUHI IMU BRSLO BRSHI IBRS Spindle Vdyc1 Vdead1Vdead1+ Vin1 Gvo1 Vlim1F Vlim1R VHcom VHmin VHB IHB Slide1,2 Supply current Sleep current PWM carrier frequency REF input voltage range REF input voltage range MUTE terminal low voltage MUTE terminal high voltage Mute terminal input current BRS terminal low voltage BRS terminal high voltage BRS terminal input current Hall sensor amp.input signal level HB output voltage HB terminal sink current Io=0.5 [A] SPIN<REF [REVERSE] REF<SPIN [FORWARD] SPIN Gio1=Gvo1/ Rs [A/V] Ilim1F=Vlim1F/ Rs [A] Ilim1R=Vlim1R/ Rs [A] Hu+,Hu-,Hv+,Hv-,Hw+ ,HwHu+,Hu-,Hv+,Hv-,Hw+ ,Hwat Load current (IHB)=10mA MU1=5V Vdyc2 Dynamic range of output Io=0.5 [A] Vdead2Vdead2+ Vin2 Gvo2 Vlim2 Tdon Tdoff Tdsw Ileak Dynamic range of output Control voltage input range 1 Control voltage input range 1 Control gain 1 Control limit 1F Control limit 1R Hall sensor amp.common mode input range Control voltage dead zone 2 Control voltage input range 2 Control gain 2 Control limit 2 Output turn-on delay Output turn-off delay Output switching delay Output leak current 5VCC,VM1, VM2 ,VM3 current under Sleep (MU1=0V) 65 OSC : with 330pF VREF=1.65V MU1 MU1 MU1 at 5V input voltage 3.0 500 0.8 BRS BRS BRS at 5V input voltage 3.0 430 at VM2=5[V] at VM2=12[V] SL1IN,SL2IN < REF REF < SL1IN ,SL2IN SL1IN,SL2IN Gio2=Gvo2/ Rs [A/V] Ilim2=Vlim2/ Rs [A] 10.5 -80 0 0 0.85 0.4 0.22 1.3 60 0.6 11.0 -40 +40 3.3 10.3 -80 0 0 0.85 0.43 3.8 10.8 -40 +40 The time taken to turn on the output after the Rs voltage goes above the command value. The time taken to turn off the output after the Rs voltage goes down the command value. The time when all the output Tr.s are turned off during the switching of the output Tr. MU1=5v 3.3 +10 0.8 1.0 -10 -100 1.0 0.5 0.28 0.85 1.0 0.5 1.0 2.0 3.0 0 +80 5 1.15 0.6 0.34 3.7 1.2 30 mA µA kHz V µA V V µA V V µA V mV mV V V/V V V V mVp-p V mA V 0 +80 5 1.15 0.58 2.0 3.5 6.0 100 mV mV V V/V V µsec µsec µsec µA MITSUBISHI SEMICONDUCTOR (LSI) M63022FP SPINDLE MOTOR AND 5CH ACTUATOR DRIVER ELECTRICAL CHARACTERISTICS Symbol (Ta=25˚C, 5VCC=VM3=5V,VM1=VM2=12V unless otherwise noted.)(cont.) Parameter Test conditions Min. Limits Min. Max. Unit Loading Vdyc3-1 Dynamic range of output Vdyc3-2 Vin3 Dynamic range of output Control voltage input range 3 Gvo3 Control gain 3 VM3=5[V] Io=0.5[A] VM1=12[V] VM3=12[V] R=5.4[Ω], VM3=4.75V,VM1=12V LOIN+ (LO+) - (LO-) (LOIN+) - (REF) (LO+) - (LO-) at LOIN+=REF=1.65V Output offset voltage Voff1 Focus/Tracking Control voltage input range 4 Vdyc4 Control gain 4 Vin4 Gvo4 Io=0.5[A],VM1=12[V] FOIN,TOIN (FO+)-(FO-) (TO+)-(TO-) TOIN-REF FOIN-REF (FO+)-(FO-) at REF=FOIN=1.65V (TO+)-(TO-) at REF=TOIN=1.65V Output offset voltage Voff2 Output offset voltage 3.9 6.9 3.3 0 4.2 7.6 3.5 16.7 V 5 V V 18.1 19.3 dB -50 0 +50 mV 3.8 0 4.2 20.2 -47 5 V V 21.6 22.8 dB 0 +47 mV Note 2. This IC need condenser between each supply lines and GND for stoped Oscillation. THERMAL CHARACTERISTICS Symbol TSD Function start temperature of ic Function stop temperature of ic Min. Typ. Max. Min. Typ. Max. Parameter Thermal shut down 160 130 Unit ˚C Note 3. This TSD function start temperature doesn't show the guaranteed max. temperature of the devices. 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 devices 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 devices is not checked by a test in high temperature.) ● Standby function SELECT2 SELECT1 Logic control MU1 H L/Open Loading On Off Slide1 On Off Drive channel Slide2 Focus On On Off Off This IC has MUTE terminal (MU1). It is possible to control ON / OFF of the channel by external logic inputs. In case of SELECT1, the bias of all circuit becomes OFF. Therefore, this mode is available in order to reduce the power dissipation when the waiting mode. In case of SELECT2,the bias of all channel becomes ON. ● Brake select function BRS Hi L/Open SPIN<REF Reverse Short REF<SPIN Forward Forward This IC has BRS terminal (BRS). It is possible for a braking timiming of Spindle drive to select which the short brake or the reverse brake by BRS. It shuould select the short brake in case of high speed system and please change to the reverse brake when the rotation speed becomes enough low. It is available when the SPIN voltage is low than the reference voltage. Tracking On Off Spindle On Off MITSUBISHI SEMICONDUCTOR (LSI) M63022FP SPINDLE MOTOR AND 5CH ACTUATOR DRIVER ● Loading channel The loading channel is the circuit of BTL voltage drive. This circuit VM3 has the referential input. Output swing is determined with ∆Vin X 8. LO+ Also,it is possible for this channel to use for the slide motor , the Forward LOIN+ focus coil and the tracking coil. The input terminal is high impedance. It is possible to do variable a + LOADING Channel gain by external resistor. Vo In case of one MCU port, if use three state port, it is possible for M - this channel to have the stop function. REF LO- Output voltage [V] LO- LO+ + Coil VM3 2 [LOIN+]-[REF] (V) Vo Coil + Gvo = 8 [v/v] Vo=[LO+]-[LO-] =8 X([LOIN+]-[REF]) LO- LO+ Application.1 (One port H/Z/L control) Logic control P1 Situation of loading channel Output voltage swing 5V Forward rotation Vo=8X(5[V] -REF[V] ) XR2/(R1+R2) Z (Hi impedance) Short brake --> Stop 0 Reverse rotation Vo= 0 [V] Vo=-8X(5[V] -REF[V] ) XR2/(R1+R2) 5v R1 P1 Z 0v LOIN+ P1 R2 REF application.1 (One port H/Z/L control) Reverse MITSUBISHI SEMICONDUCTOR (LSI) M63022FP ● Spindle channel current limit The relationship between the differential voltage between SPIN IL(A) SPINDLE MOTOR AND 5CH ACTUATOR DRIVER Forward Torque lim1F and REF and the torque is shown in right Figure. The voltage gain[Gvo] is 1.0 [V/V]. Dead zone The current gain[Gio] is 2.0[A/V] (at sensing resistor : 0.5 ohm,and Gio 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. CTL -REF (V) Therefore current-gain-control and current-limit of this IC is Gio determined with sensing resister value, and more detail control Dead zone can be determined with setting a gain-resister outer this IC as lim1R below. current limit Reverse Torque The example of current-gain and current-limit of spindle. Gio* [A/V] Rs [Ω] Ilim1F [A] Ilim1R [A] 0.50 0.75 1.00 1.00 0.66 0.50 0.56 0.37 0.28 R1=∞ R2=0 ohm R1=R2 2.00 1.00 1.33 1.00 0.66 0.50 R1=2•R2 0.66 0.44 0.33 Gio*= R1 / [(R1+R2)•Rs] [A/V] VM1 5V Rh Rs RSP R2 CTL SPIN R1 1.65v REF GND HB HU+ HUHV+ HVHW+ HWU V W M MITSUBISHI SEMICONDUCTOR (LSI) M63022FP IL (A) SPINDLE MOTOR AND 5CH ACTUATOR DRIVER ● Slide channel current limit The relationship between the differential voltage between SLIN and Forward 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 Gio dead zone is from 0mV to 80mV (at R1=∞,R2=0ohm)). The coil current gain under the reverse torque is the same with in Dead zone forward torque directions.And the limitation function gets on when SL*IN -REF (V) the differential voltage of VM2(12V)~RSL is 0.5V. Dead zone Therefore current-gain-control and current-limit of this IC is determined with sensing resister value. Gio current limit Reverse VM2 VM2 Rs Rs RSL1 RSL2 Forward R2 Forward SL1+ CTL CTL SL2IN M R1 1.65V SL2+ R2 SL1IN REF 1.65V SL1GND REF Reverse Ilim [A] 0.50 0.75 1.00 1.00 0.66 0.50 R1=∞,R2=0ohm 2.00 1.33 1.00 Gio* [A/V] R1=R2 1.00 0.66 0.50 SL2GND The example of current-gain and current-limit of slide. Rs [Ω] M R1 R1=2•R2 0.66 0.44 0.33 Gio*= R1 / [(R1+R2)•Rs] [A/V] Reverse MITSUBISHI SEMICONDUCTOR (LSI) M63022FP SPINDLE MOTOR AND 5CH ACTUATOR DRIVER ● Focus/tracking channel 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]. FOIN R 6R FO- R REF 6R R Coil 5VCC R R FO+ R Output voltage [V] FO- FO+ + Coil 5VCC 2 FOIN- REF (V) Vo Coil + Gvo = 12 [v/v] Vo=[FO+]-[FO-] =12 X (FOIN-REF) FO+ FO- MITSUBISHI SEMICONDUCTOR (LSI) M63022FP SPINDLE MOTOR AND 5CH ACTUATOR DRIVER ● Direct PWM operation The spindle and the slide channel is controlled by the direct PWM control. Also,built-in the current limit circuit. This IC controls the motor current directly. FORWARD Current path timing 2. FORWARD Current path timing 1. VM2 VM2 Rs Rs RSL RSL Current path 1 SL+ M SL+ SL- M SL- GND GND Current path 2 Current path 1 Current path 2 Control value Io=Vrs / Rs Control value Motor current carrier period Time MITSUBISHI SEMICONDUCTOR (LSI) M63022FP SPINDLE MOTOR AND 5CH ACTUATOR DRIVER ● PWM carrier frequency setting ● FG function duty at spindle drive PWM carrier frequency is decided by charging and discharging the The FG terminal outputs the square pulse signal synchronizing capacitor that is connected to OSC terminal outer IC. Examination with the Hall inputs [Hv+, Hv-] timing. of the relationship the capacitor connected to OSC terminal and And, the FG terminal is open-collector output. PWM carrier frequency is given in following table. Capacitor [pF] 820 28 Carrier Frequency [kHz] 330 65 750 30 220 90 180 110 130 140 110 160 Note : This PWM carrier frequency is TYP value. ● 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- ● Recommendation of short brake mode at spindle drive This IC has two brake mode, PWM-BRAKE-MODE and SHORT- off all output trangister of H-bridge for 3µsec. ● Output current setting at slide BRAKE-MODE. In this IC recommendation, SHORT-BRAKEMODE is superior to PWM-BRAKE-MODE to reducing the power current (Io) is larger than sensing resistance current about 10mA 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- ● 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 is shown in bellow Figure. Hv+ Hu+ Hall input + Output current V U W V 0 U W U V Hall elements W Outer roter W U V V W U U (TYP.) according to base current of output tranjister. Therefore please design output current with consisting these base current. EMF, this IC could be broken.) Hw+ In this IC, since output tranjister is NPN-type tranjister, motor coil V FORWARD SPIN > REF W REVERSE SPIN < REF MITSUBISHI SEMICONDUCTOR (LSI) M63022FP SPINDLE MOTOR AND 5CH ACTUATOR DRIVER I/O circuit ● Hu+,HuHv+,HvHw+,HwREF ● FOIN,TOIN,SPIN LOIN+, OPIN- ● MU1 ● OSC 5VCC 2K 8K 5VCC 5VCC 2K 2K 5VCC 2K 30K ● BRS 5VCC 2K 2K 8K 2K 10K 4K 10K ● HB ● FG ● VM1,RSP,U,V,W 5VCC 5VCC VM1 5VCC RSP U V W GND VM1 ● 5VCC,VM3,FO+,FO-,TO+,TO-,LO+,LO9Vmax 5VCC REG VM3 LO+ LO- TO+ TO- FO+ FO- GND ● VM2,RSL,SL1+,SL1-,SL2+,SL2VM2 RSL1 RSL1 SL1+ GND SL1- SL2+ SL2- MITSUBISHI SEMICONDUCTOR (LSI) M63022FP SPINDLE MOTOR AND 5CH ACTUATOR DRIVER THE BOARDS FOR THERMAL DERATING EVALUATION 1st layer [TOP view] 2nd layer [BACK view] Board material Glass-epoxy FR-4 N-type board Size 70X70mm thickness t=1.6mm [2 layer] 1 and 2 layers material : copper thickness : t=18µm O-type board [2 layer] P-type board [1 layer] POWER-SSOP 42P9R-K/B Heat sink Lead mounted IC Chip Evaluation board MITSUBISHI SEMICONDUCTOR (LSI) M63022FP SPINDLE MOTOR AND 5CH ACTUATOR DRIVER .. APPLICATION EXAMPLE MCU R12 R11 R10 R9 C1 5 ~12v Slide M RSL2 RSL1 SLIDE 2 SL2IN 3 VM2 4 OSC 42 RSL2 VM3 39 5 SL2+ BRS 38 6 SL2- LO- 37 7 GND LO+ 36 8 RSL1 FO- 35 9 SL1+ FO+ 34 10 SL1- GND 33 11 GND TO+ 32 12 W TO- 31 5VCC 30 GND 29 13 V 14 U 15 RSP TOIN 28 16 HW- FOIN 27 17 HW+ SPIN 18 HV- REF 25 19 HV+ FG 24 20 HU- HB 23 HU+ VM1 22 21 26 R7 R8 5 ~12v Loading Loading M FS 104 TS 5V R5 R6 R3 R4 R1 R2 1.65v DSP 10K *Pull-up Resistance Rh An example of the values of the external parts These values are only examples, not the guaranteed values. External parts name RPS RSL1,RSL2 Rh R1,R2,R3,R4,R5,R6 R7, R8 C1 R9,R10,R11,R12 R13,R14,R15,R16 C2,C3,C4,C5 Typ.value 0.33 2 200 10k 10k 300p 10k 22 10n Unit Ω Ω Ω Ω Ω F Ω Ω F Note Ilim1F=1.5A, Ilim1R=1.0A, Gain=3.0A/V Ilim=0.5A, Gain=1A/V The values differ in each application. The values differ in each application. Fosc=110kHz The values differ in each application. 5V power Focus Tracking R16 C5 40 R14 C3 41 R15 C4 MU1 LOIN+ REF R13 C2 M SL1IN M63022FP RSP 1 D/A D/A 12v MITSUBISHI SEMICONDUCTOR (LSI) M63022FP SPINDLE MOTOR AND 5CH ACTUATOR DRIVER PACKAGE OUTLINE 42P9R-B Plastic 42pin 450mil HSSOP JEDEC Code Weight(g) Lead Material Cu Alloy e b2 42 e1 l2 EIAJ Package Code HSSOP42-P-450-0.8 22 HE E Recommended Mount Pad F 1 Symbol 21 A D G A2 X A1 M L1 y b L e C z Z1 Detail G Detail F A A1 A2 b c D E e HE L L1 z Z1 x y b2 e1 l2 Dimension in Millimeters Min Nom Max — — 2.2 0 0.1 0.2 — — 2.0 0.32 0.27 0.37 0.25 0.23 0.3 17.5 17.3 17.7 8.4 8.2 8.6 — — 0.8 11.63 11.93 12.23 0.5 0.3 0.7 — — 1.765 — — 0.75 — — 0.9 — — 0.16 — — 0.1 — 0¡ 10¡ — — 0.5 — — 11.43 — — 1.27