M63028/029FP Spindle Motor and 5ch Actuator Driver REJ03F0024-0100Z Rev.1.0 Sep.16.2003 Features 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 four voltage supply terminals (for Spindle, Slide,Focus/Tracking and Loading), and four 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. Pin Configuration PIN CONFIGURATION SL1IN SL2IN VM2 RSL2 SL2+ SL2GND RSL1 SL1+ SL1GND W V U RSP HwHw+ HvHv+ HuHu+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 (Top View) 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 OSC MU1 LOIN+ VM3 MU2 LOLO+ FOFO+ GND 5VCC TO+ TOGND TOIN FOIN SPIN REF FG HB VM1 Package outline : 42 PIN POWER SSOP (42P9R-K) M63 028/029 FP Application CD- ROM, CD- R/RW, DVD, DVD- ROM, DVD- RAM, Optical disc related system, etc Rev.1.0, Sep.16.2003, page 1 of 21 M63028/029FP Block Diagram RSL1 SL1+ RSL2 SL2+ SL1SL2RSP VM1 V W U VM2 M63028FP:FG X 3 M63029FP:FG X 1 FG FG Reverse Detect s s s s HU+ HUHV+ HVHW+ HWHall Bias CTL amp. Direction comp. Current comp. CTL amp. Direction comp. Current comp. CTL amp. Direction comp. Current comp. TSD BIAS Brake select Frequency generator MU1 MU2 OSC 120 MATRIX Logic Logic SPIN REF SL1IN SL2IN VM1 5V power supply FOIN TOIN Reg Regulator 5VCC LOIN+ VM3 LO- X12 X12 X8 LO+ TO+ GND FO+ TO- Rev.1.0, Sep.16.2003, page 2 of 21 FO- M63028/029FP Pin Function Terminal 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Symbol SL1IN SL2IN VM2 RSL2 SL2+ SL2- GND RSL1 SL1+ SL1- GND W V U RSP HW- HW+ HV- HV+ HU- HU+ Terminal Function Slide control voltage input 1 Slide control voltage input 2 Motor Power Supply 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 sense HW- sensor amp.input HW+ sensor amp.input HV- sensor amp. input HV+ sensor amp. input HU- sensor amp. input HU+ sensor amp. input Terminal 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 Symbol OSC MU1 LO N+ VM3 MU2 LO- LO+ FO- FO+ GND 5VCC TO+ TO- GND TO N FO N SP N REF FG HB VM1 Terminal Function PWM carrier oscilation set mute/break select terminal 1 Loading control input (+) Power Supply3(for Loading) mute/break select terminal 2 Loading inverted output Loading non-inverted output Focus inverted output Focus non-inverted output GND 5V Power Supply (for FS, TS) Tracking non-inverted output Tracking inverted output 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 Supply 1 (for Spindle) Function FO, TO Gain M63028FP M63029FP 12V/V 12V/V LO Gain 8V/V 8V/V FG Pulse x3 x1 Rev.1.0, Sep.16.2003, page 3 of 21 M63028/029FP Absolute Maximum Rating (Ta=25C) Symbol 5VCC VM1 VM2 VM3 IoA IoB IoC Vin Parameter 5V Power Supply Motor power Supply 1 *note1 Motor power Supply 2 Motor power Supply 3 Motor Output Current A Motor Output Current B Motor Output Current C Maximum input voltage of terminals Power dissipation Thermal derating Junction temperature Operating temperature Storage temperature Conditions Focus and Tracking power supply Spindle power supply *note1 Slide power supply Loading power supply Focus, Tracking and Loading output current *note1 Spindle output current *note1 Slide output current *note1 Rating 7 15 15 15 1.0 1.5 0.5 0 to 5VCC Unit V V V V A A A V MU1, Hw-, Hw+, Hv-, Hv+, Hu-, Hu+, REF, SPIN, MU2, TOIN, FOIN, OSC, SL1IN, SL2IN, LOIN+ 70mm X 70mm X 1.6mm Free Air and on the grass epoxy board 70mm X 70mm X 1.6mm Free Air and on the grass epoxy board Pt K Tj Topr Tstg Note: 2.6 20.8 150 -20 to +75 -40 to +150 W mW/C C C C 1. The ICs must be operated within the Pt (power dissipation) or the area of safety operation. Recommended Operating Conditions (Ta = 25C) LIMITS Symbol VM1 VM2 VM3 5VCC IoA IoB IoC Fosc Parameter VM1 power supply (for Spindle) VM2 power supply (for Slide) VM3 power supply (for Loading) 5V power supply (for FS, TS) Focus, Tracking and Loading Output Current Spindle Output Current Slide Output Current PWM carrier frequency Minimum 7.5 4.5 4.5 4.5 -- -- -- 30 Typical 12 12 12 5 0.5 0.5 0.25 -- Maximum 13.2 13.2 13.2 7 0.8 1 0.4 120 Unit V V V V A A A kHz Rev.1.0, Sep.16.2003, page 4 of 21 M63028/029FP Thermal Derating 6.0 (W) Power Dissipation Pdp (W) 5.0 4.0 3.0 2.0 1.0 using N-type board using P-type board 0 25 50 75 100 Ta (C) 125 150 Ambient Temperature 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. Rev.1.0, Sep.16.2003, page 5 of 21 M63028/029FP Electrical Characteristics Common (Ta=25C, 5VCC=VM3=5V, VM1 = VM2 = 12V unless otherwise noted.) Limits Symbol Icc1 Icc2 Parameter Supply current Sleep current Conditions 5VCC, VM1, VM2, VM3 current 5VCC, VM1, VM2, VM3 current under Sleep (MU1 = MU2 = 0V) OSC: with 330pF Minimum -- -- Typical 32 0 Maximum 42 30 Unit mA A Fosc VinREF IinREF VMU1LO VMU1HI IM1U VMU2LO VMU2HI IM2U PWM carrier frequency REF inout voltage range REF terminal input current MUTE1 terminal low voltage MUTE1 terminal high voltage MUTE1 terminal input current MUTE2 terminal low voltage MUTE2 terminal high voltage MUTE2 terminal input current -- 1.0 65 -- -- -- -- -- -- -- -- -- 3.3 10 0.8 -- 500 0.8 -- 500 kHz V A V V A V V A VREF = 1.65V MU1 MU1 MU1 at 5V input voltage MU2 MU2 MU2 at 5V input voltage -10 -- 2.5 -- -- 2.5 -- Rev.1.0, Sep.16.2003, page 6 of 21 M63028/029FP Electrical Characteristics Spindle (Ta=25C, 5VCC = VM3 = 5V, VM1 = VM2 = 12V unless otherwise noted.) LIMITS Symbol Vdyc1 Vdead1- Vdead1+ Vin1 Gvo1 Vlim1F Control voltage input range 1 Control gain 1 Control limit 1F Parameter Dynamic range of output Control voltage dead zone 1 Conditions Io = 0.5 [A] SPIN[Vlim2F] Control limit 2F 0.22 0.28 0.34 V Vlim1R VHcom Control limit 1R Hall sensor amp. common mode input range Hall sensor amp. input signal level HB output voltage HB terminal sink current 0.22 1.3 0.28 -- 0.34 3.7 V V VHmin VHB IHB 60 0.6 -- -- 0.85 -- -- 1.2 30 mVp-p V mA Rev.1.0, Sep.16.2003, page 7 of 21 M63028/029FP Slide1, 2 (Ta=25C, 5VCC = VM3 = 5VC, VM1 = VM2 = 12V unless otherwise noted.) Limits Symbol Vdyc2 Parameter Dynamic range of output Conditions Io = 0.5 [A] at VM2 = 5 [V] RSL = 0.9 Io = 0.5 [A] at VM2 = 12 [V] SL1IN, SL2IN[Vdead2- Vdead2+ Vin2 Gvo2 Vlim2 Tdon Tdoff Tdsw Ileak] 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 Rev.1.0, Sep.16.2003, page 8 of 21 M63028/029FP Electrical Characteristics Loadhing (Ta=25C, 5VCC = VM3 = 5V, VM1 = VM2 = 12V unless otherwise noted.) Symbol Vdyc3-1 Parameter Dynamic range of output Conditions VM1 = 12[V VM3 = 5[V] Io = 0.5A VM1 = 12[V] VM3 = 12[V] Io = 0.5A R=5.4[] VM3 = 4.75V, VM1 = 12V LOUN+ (LO+) - (LO-) (LOIN+) - (REF) (LO+) - (LO-) at LOIN+ = REF = 1.65V Limits Minimum 3.95 6.9 3.35 Typical 4.2 7.6 3.55 Maximum V Unit V Vdyc3-2 Dynamic range of output Control voltage input range 3 Control gain 3 Output offset voltage Vin3 Gvo3 Voff1 0 16.7 -50 18.1 0 5 19.3 +50 V dB mV Focus (Ta=25C, 5VCC = VM3 = 5V, VM1 = VM2 = 12V unless otherwise noted.) Symbol Vdyc4 Vin4 Gvo4 Voff2 Parameter Dynamic range of output Control voltage input range 4 Control gain 4 Output offset voltage Conditions VM1 = 12[V] VM1 = 12[V] FOIN, TOIN (FO+) - (FO-) Io = 0.5[A] Io = 0.8[A] Limits Minimum 4.0 3.55 0 20.2 -30 Typical 4.25 3.95 21.6 0 Maximum 5 22.8 +30 Unit V V dB mV (TO+) - (TO-) FOIN - REF TOIN - REF (FO+) - (FO-) at REF = FOIN = 1.65V (TO+) - (TO-) at REF = TOIN = 1.65V NOTE : This IC need condenser between each supply lines and GND for stopped Oscillation. Thermal Characteristics Function Start Temperature of IC Symbol TSD Parameter Thermal Shut Down *note3 Minimum Typical 165 Max Function Start Temperature of IC Minimum Typical 130 Max Unit C *note3 This TSD function start temperature doesn't show the guaranteed max. temperature of the devices. The guranteed max.temperature is Tjmax.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.) Rev.1.0, Sep.16.2003, page 9 of 21 M63028/029FP Channel Select Function Logic control MU1 MU2 SPIN Drive channel Loading Slide1 Slide2 Focus Tracking Spindle SPIN[REF Currentlim it (Brake select) SELECT 6 SELECT 5 SELECT 4 H H H H L H H H L Off Off Off On On On On On On On On On On On On On On On 56% 100% ---56% (PWM) SELECT 3 SELECT 2 SELECT 1 H L L L H L L --Off On Off On Off Off On Off Off On Off Off On Off Off On Off Off ---(Short) ---] This IC has two MUTE terminal (MU1 and MU2). It is possible to control ON / OFF of each channel and to select current limit under acceleration by external logic inputs. It has six kinds of function for select.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 other than Loading circuit becomes OFF. Therefore,this mode is available in order to reduce the power dissipation when the active mode. In case of SELECT3,it is possible to select the short braking to tak e the brake of Spindle motor. in case of SELECT4,it is possible to select PWM reverse braking when in the same. In case of SELECT5,it is possible to select the 100%current limit under acceleration. Also,in case of SELECT6,it is possible to select the 56%current limit under acceleration. Therefore,this mode is available in order to reduce a temperature under acceleration. Loading channel The loading channel is the circuit of BTL voltage drive.This circuit has the referential input.Output swing is determined with Vin X 8.Also,it is possible for this channel to use for the slide motor ,the focus coil and the tracking coil. The input terminal is high impedance.It is possible to do variable a gain by external resistor. In case of one MCU port,if use three state port,it is possible for this channel to have the stop function. VM3 LO+ LOIN+ + LOADING Channel REF LOReverse Vo Forward M Rev.1.0, Sep.16.2003, page 10 of 21 M63028/029FP LO- Output Voltage [V] LO+ + Coil - VM3 2 Coil + Vo Gvo = 8 [V/V] Vo = [LO+] - [LO-] = 8x([LOIN+] - [REF]) [LOIN+] - [REF] (V) LO+ LO- application (MCU: One port H/Z/L control) Logic contorol P1 5V Z (Hi impedance) 0 Situation of loading channnel Forward rotation Short brake-->Stop Reverse rotation Output voltage swing Vo = 8 x (5[V]-REF[V]) x R2/(R1+R2) Vo=0[V] Vo = -8 x (0[V]-REF[V])x R2/(R1+R2) 5v R1 P1 Z 0v P1 R2 LOIN+ application (One port H/Z/L control) REF Rev.1.0, Sep.16.2003, page 11 of 21 M63028/029FP Spindle channel The relationship between the differential voltage between SPIN and REF and the torque is shown in following Figure.The voltage gain[Gvo] is 1.0 [V/V] . The current gain[ Gio] is 2.0[ A/V] (at sensing resistor :0.5,and R1=, R2=0 )in forward torque directions,and the dead zone is from 0mV to 80mV (at R1=, R2=0 ) 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) to RSP is 0.5V at forward and 0.28V at reverse. In case of SELECT6 the differentialvoltage of VM1(12V)~RSP is 0.28V at forward.Therefore,this mode is available in order to reduce a temperature under acceleration. 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. current limit Forward Torque lim1F lim2F Dead zone Gio CTL-REF (V) Gio Dead zone lim1R current limit Reverse Torque The example of current- gain and current- limit of SPINDLE. Gio*[A/V] Rs[] 0.50 0.75 1.00 Ilim1F[A] 1.00 0.66 0.50 Ilim2F[A] 0.56 0.37 0.28 Ilim1R[A] 0.56 0.37 0.28 R1 = R2 = 0 2.00 1.33 1.00 R1 = R2 1.00 0.66 0.50 R2 = 2*R1 * 0.66 0.44 0.33 Gio* = R1/[(R1+R2)*Rs] [A/V] Rev.1.0, Sep.16.2003, page 12 of 21 M63028/029FP VM1 5V Rs RSP R2 CTL R1 1.65 v REF SPIN Rh HB HU+ HUHV+ HVHW+ HWU V W GND M Slide channel The relationship between the differential voltage between SLIN and REF and the torque is shown in following Figure. The voltage gain[Gvo] is 1.0 [V/V]. The current gain is 2.0[A/V] (at sensing resistor : 0.5 and R1=, R2=0 ) in forward torque directions, and the dead zone is from 0mV to 80mV (at R1=, R2=0 )). 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) to RSL is 0.5V. Therefore current-gain-control and current-limit of this IC is determined with sensing resister value. Forward current limit Gio Dead zone Dead zone Gio current limit Reverse Rev.1.0, Sep.16.2003, page 13 of 21 M63028/029FP VM2 VM2 Rs RSL1 Forward R2 CTL R1 1.65v REF SL1IN Rs RSL2 Forward R2 CTL SL2IN R1 1.65v Reverse REF SL1+ SL2+ M SL1GND M SL2GND Reverse The example of current-gain and current-limit of SLIDE. Gio*[A/V] Rs[] 0.50 0.75 1.00 Ilim[A] 1.00 0.66 0.50 R1 = R2 = 0 2.00 1.33 1.00 R1 = R2 1.00 0.66 0.50 R2 = 2*R1 * 0.66 0.44 0.33 Gio* = R1/[(R1+R2)*Rs] [A/V] Rev.1.0, Sep.16.2003, page 14 of 21 M63028/029FP 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 following Figure. The voltage gain [Gvo] is 12.0[V/V]. FOIN R Ra Ra=6R + REF R R 5VCC R + FO- Ra Ra Coil + FO+ R R Ra Gvo = 12 [V/V] FO- Output Voltage [V] FO+ + Coil - 5VCC 2 Coil - Vo FOIN- REF (V) + Vo = [FO+] - [FO-] =12x ( FOIN- REF) FO+ FO- Rev.1.0, Sep.16.2003, page 15 of 21 M63028/029FP 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 1. FORWARD Current path timing 2. VM1 Current comp VM2 Current comp VM1 VM2 Rs RSL Rs RSL Current path 1 SL+ M SL- SL+ M SL- GND Current path 2 GND Current path1 Current path2 Control value Control value Io=Vrs/ Rs Motor current carrier period Time 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. Capacitor [pF] Carrier Frequency [kHz] 820 28 750 30 330 65 220 90 180 110 130 140 110 160 *note) This PWM carrier frequency is TYP value. Rev.1.0, Sep.16.2003, page 16 of 21 M63028/029FP 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.) 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+ Hall input V U W V Hv+ Hu+ Hall elements U V W U V W W V U Outer roter + Output current 0 U W V U W REVERSE SPIN < REF M63028FP FORWARD SPIN > REF FG Output M63029FP * The logic of the FG Output waveform (Hi / Lo) synchronized hall input waveform (V phase) of M63029FP is inverted specification of M63023FP and M63026FP. 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 transistor of H-bridge for 3 sec. Output current setting at Slide In this IC,since output transistor is NPN- type transistor,motor coil current (Io)is larger than sensing resistance current about 10mA (TYP.)according to base current of output transistor. Therefore please design output current with consisting these base current. Rev.1.0, Sep.16.2003, page 17 of 21 M63028/029FP I/O circuit * FOIN, TOIN, SPIN SL1IN, SL2IN, LOIN+ 5VCC 2K * Hu+, Hu-, Hv+, Hv-, Hw+, Hw-, REF 5VCC 2K * MU1, MU2 5VCC 2K 8K 30K 10K * OSC 2K 5VCC 2K 2K * HB 5VCC * FG 5VCC 5VCC * VM1, RSP, U, V, W VM1 RSP U V W GND * 5VCC, VM3, FO+, FO-, TO+, TO-, LO+, LO- 5VCC 9Vmax REG VM3 LO+ LOTO+ TOFO+ FO- GND * VM1, RSL1,RSL2, SL1+, SL1-, SL2+, SL2- VM1 RSL1 RSL2 SL1+ SL1SL2+ SL2- GND Rev.1.0, Sep.16.2003, page 18 of 21 M63028/029FP The boards for thermal derating evaluation Board material 1st layer [TOP view] Glass-epoxy FR-4 2nd layer [BACK view] Size 70x70mm thickness N-type board [2 layer] t=1.6mm 1 and 2 layers material : copper thickness :t= 18m O-type board [2 layer] P-type board [1 layer] POWER-SSOP 42P9R-K Heat sinkLead mounted IC Chip Rev.1.0, Sep.16.2003, page 19 of 21 Evaluation board M63028/029FP Application Circuit MCU R12 D/A R11 R9 C1 1 2 5 12V Slide RS L2 3 4 5 6 M SLIDE RSL1 7 8 9 10 11 12 13 RSP 14 15 16 17 18 SL1IN SL2IN VM2 RSL2 SL2+ SL2GND RSL1 SL1+ SL1GND W V U RSP OSC MU1 LOIN+ VM3 MU2 LOLO+ FOFO+ GND 5VCC TO+ TOGND TOIN 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 10K * Pull-up Rh 12V R5 R3 R1 1.65v R6 R4 R2 DSP C2 TS 512 Loading C2 M C2 FS R8 REF R7 R10 D/A Loading 5V power Focus Tracking 5V M63 028/029 FP HWHW+ HVHV+ HUHU+ FOIN SPIN REF FG HB VM1 M 19 20 21 This value is a recommended value and is not guaranteed performance. Parts No. RSP RSL1, RSL2 Rh R1, R2, R3, R4, R5, R6 R7, R8 C1 R9, R10, R11, R12 C2 Typ. 0.33 2 200 10k 10k 330p 10k 100n Unit F F Fosc=65kHz Note Ilim1F=1.5A, Ilim1R=1.0A, Gain=3.0A/V Ilim=0.25A, Gain=0.5A/V Rev.1.0, Sep.16.2003, page 20 of 21 42P9R-K JEDEC Code e b2 Weight(g) Lead Material Cu Alloy MMP Plastic 42pin 450mil HSSOP M63028/029FP EIAJ Package Code HSSOP42-P-450-0.8 l2 Package Dimensions HE E L1 z Detail G Detail F C L Rev.1.0, Sep.16.2003, page 21 of 21 22 42 Recommended Mount Pad F Symbol 1 21 A D G A2 y X M A1 A A1 A2 b c D E e HE L L1 z Z1 x y b2 e1 l2 e b Z1 e1 Dimension in Millimeters Min Nom Max -- -- 2.2 0.2 0 0.1 -- -- 2.0 0.32 0.27 0.37 0.25 0.3 0.23 17.7 17.5 17.3 8.6 8.2 8.4 -- -- 0.8 11.63 11.93 12.23 0.7 0.5 0.3 -- -- 1.765 -- -- 0.75 -- -- 0.9 -- -- 0.16 -- -- 0.1 -- 0 10 -- -- 0.5 -- -- 11.43 -- -- 1.27 Sales Strategic Planning Div. Keep safety first in your circuit designs! Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan 1. 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