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| Semiconductor S3001 5CH Motor Drive IC Description The S3001 is a monolithic integrated circuit, and suitable for 5-ch motor driver which driver focus actuator, tracking actuator, sled motor, spindle motor and tray motor of CDP & V-CD system. Features * 1ch(forward-reverse) control DC motor driver * 4ch BTL(Balanced Transformerless) driver * Built-in TSD (Thermal shutdown) circuit * Built-in 5V regulator with an internal NPN TR * Built-in mute circuit * Built-in Tray motor speed control circuit * Wide operating supply voltage range: 6.5V~13.2V Ordering Information Type NO. S3001 Marking S3001 Package Code SSOPH-28 BLOCK DIAGRAM KSI-8030-003 1 S3001 PIN CONNECTIONS PIN DESCRIPTIONS NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 SYMBOL DO1DO1+ IN1 IN1A N/C REO MUTE SGND FWD IN2 DO2+ DO2PGND1 REV I/O O O I I O I I I O O I DESCRIPTION CH1 OUTPUT (-) CHI OUTPUT(+) CH1 INPUT 1 CH1 INPUT 2 NO-CONNECTION REGULATOR OUTPUT MUTE INPUT SIGNAL GROUND CH5 INPUT 1 CH2 INPUT CH2 OUTPUT (+) CH2 OUTPUT (-) POWER GROUND 1 CH5 INPUT 2 NO 15 16 17 18 19 20 21 22 23 24 25 26 27 28 SYMBOL I/O DO5+ DO5DO3DO3+ IN3 CTL VCC1 VCC2 REF IN4A IN4 DO4+ DO4PGND2 O O O O I I I I I I I O O - DESCRIPTION CH5 OUTPUT (+) CH5 OUTPUT (-) CH3 OUTPUT (-) CH3 OUTPUT (+) CH3 INPUT CH5 MOTOR SPEED CONTROL SUPPLY VOLTAGE 1 (CH2,CH3,CH5) SUPPLY VOLTAGE 2 (CH1,CH4,SIGNAL,REG) CH BIAS INPUT CH4 INPUT 1 CH4 INPUT 2 CH4 OUTPUT (+) CH4 OUTPUT (-) POWER GROUND 2 KSI-8030-003 2 S3001 ABSOLUTE MAXIMUM RATINGS CHARACTERISTICS Supply voltage Power dissipation Operating temperature Storage temperature Output current Note> 1. When mounted on 50mm x 50mm x 1mm PCB (Phenolic resin material). 2. Power dissipation reduces 18.4 mW/ for using above Ta=25 3. Do not exceed Pd and SOA. SYMBOL VCC Pd Topr Tstg IO VALUE 15 2.3(Note) -35 ~ +85 -55 ~ +150 1.0 UNIT V W A POWER DISSIPATION CURVE PRECOMMENDED OPERATING CONDITIONS CHARACTERISTICS Supply voltage 1 Supply voltage 2 SYMBOL Vcc1 Vcc2 VALUE 6.5~13.2 6.5~13.2 UNIT V V KSI-8030-003 3 S3001 Electrical Characteristics (Ta=25C, VCC1=VCC2=8V, RL=8 , unless otherwise specified.) Characteristic Quiescent circuit current Mute on current Mute on voltage Mute off voltage [ BTL DRIVE PART ] Output offset voltage Maximum output voltage Closed-loop voltage gain Ripple rejection ratio Slew rate [ REGULATOR PART ] Output voltage Load regulation 1 Load regulation 2 Line regulation [ TRAY DRIVE PART ] Input high level voltage Input low level voltage Output voltage Output voltage regulation Output offset voltage 1 Output offset voltage 2 Symbol ICC lmute Vmon Vmoff Test Condition Vpin7=0 - Min. Typ. 2 10 2.5 - Max. 5 0.5 - Unit mA mA V V Voo Vom Avf RR SR Vin=2.5V Vcc1=Vcc2=8V, 8 Vin=0.1Vrms, f=1Khz Vin=0.1Vrms, f=120Hz Vout=4Vp-p, square -40 4 5 50 - 5 6.5 60 1.5 +40 8 - mV V dB dB V/us Vreo Vrl 1 Vrl 2 VCC IL=100mA IL=0~100mA IL=0~200mA Vcc=6.5V~12.5V, IL=100mA 4.7 -40 -70 -20 5 - 5.3 10 10 +60 V mV mV mV Vih Vil Vo VO VOO1 VOO2 VCC=8V, RL=45 , Vpin20=open VCC=8V, RL=45 Vpin20=3.5V ~ 4.5V Vpin9, Vpin14=5V Vpin9, Vpin14=0V 2 2.5 0.6 -40 -40 3.1 1 - 0.5 3.8 1.4 +40 +40 V V V V mV mV KSI-8030-003 4 S3001 APPLICATION SUMMARY - Reference & all mute When you Want to control output bias current of the S3001, use pin #23 as follows - Mute When you want to control output bias current of the S3001, you can also use pin#7 as follows KSI-8030-003 5 S3001 APPLICATION SUMMARY(Continued) - Thermal Shutdown The S3001 has a thermal protection against the abnormal operation, and the detailed operation of the TSD circuit is as follows - BTL drive part (Focus, Tracking, Spindle, Sled drive park) BTL drive park is composed of V-I converter, level shifter and output power amp. KSI-8030-003 6 S3001 The level shift changes the direction of the current(lconv) as the same amount, and then supply it to the power AMP. The resistor Ra(10.6K) converts current into voltage with the DC offset of Pref. x x + + The power amp has unity gain. So the total differential voltage gain of the S3001 is as follows. x x x If you want to reduce the total gain of the BTL drive part, use additional series resistor into the input pin(pin#3, 10, 19, 25) You can also increase or decrease the voltage gain of the CH1, CH4 using adjustable pin(pin#4, pin24) by inserting an external series resistor. KSI-8030-003 7 S3001 APPLICATION SUMMARY(Continued) - Tray motor drive part CH5 is a forward-reverse control DC motor driver and it is composed of logic control part, level shifter, and output power amp. The forward and reverse rotation is controlled by pin9(fwd), pin14(rev) and the amplitude of the output voltage is controlled by pin20(CTL). The output status due to the input conditions are as follows INPUT FWD(PIN9) High High Low Low REV(PIN14) High Low High Low DO5+(PIN15) Vp High Low Vp OUTPUT DO5-(PIN16) Vp Low High Vp STATUS Brake Forward Reverse Brake KSI-8030-003 8 S3001 APPLICATION SUMMARY(Continued) - Tray motor speed control The amplitude of the output voltage is controlled by pin20(CTL). Normally, the differential output voltage is 3.1V when the pin20(CTL) is open. If you want to control differential output voltage of the tray drive part, insert external resistor R and zener diode ZD as shown in figure 6. Zener diode ZD is only needed when you want to obtain a precision output voltage, In other case you only insert an external resistor R. - Regulator part S3001 has a temperature independent voltage source internally. So in the figure 7, the reference voltage (2.5V) is generated by the internal circuit (bandgab reference), x KSI-8030-003 9 S3001 TEST CIRCUIT KSI-8030-003 10 S3001 TIPICAL APPLICATION CIRCUIT KSI-8030-003 11 S3001 INTERNAL CIRCUIT Pin no Pin name Internal circuit 1,2, 11,12, 15,16 17,18 26,27 DO1DO1+ DO2+ DO2DO5+ DO5DO3DO3+ DO5+ DO5- 3, 4, 10, 19, 23, 24, 25, IN1 IN1A IN2 IN3 REF IN4A IN4 KSI-8030-003 12 S3001 INTERNAL CIRCUIT(Continued) Pin no Pin name Internal circuit 6 REO 7 MUTE 9,14 FWD REV KSI-8030-003 13 S3001 INTERNAL CIRCUIT(Continued) Pin no Pin name Internal circuit 20 CTL KSI-8030-003 14 S3001 Electrical Characteristic Curves Fig. 1. VCC vs ICC Fig. 2. VCC vs Imute Fig. 3. VCC vs Avf Fig. 4. VCC vs Vom Fig. 5. IL vs Vcesat_upper Fig. 6. IL vs Vcesat_lower KSI-8030-003 15 S3001 Electrical Characteristic Curves (Cont.) Fig. 7. VCC vs Vreo Fig. 8. IL vs Vreo Fig. 9. VCC vs Vo Fig. 10. Vctl vs Vo Fig. 11. Temperature vs Icc Fig. 12. Temperature vs Im KSI-8030-003 16 S3001 Electrical Characteristic Curves Fig. 13. Temperature vs Avf Fig. 14. Temperature vs Vom Fig. 15. Temperature vs Vo Fig. 16. Temperature vs Vreg KSI-8030-003 17 PACKAGE DIMENSION S3001 unit : mm KSI-8030-003 18 S3001 These AUK products are intended for usage in general electronic equipments(Office and communication equipment, measuring equipment, domestic electrification, etc.). Please make sure that you consult with us before you use these AUK products in equipments which require high quality and/or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, traffic signal, combustion central, all types of safety device, etc.). AUK cannot accept liability to any damage which may occur in case these AUK products were used in the mentioned equipments without prior consultation with AUK. KSI-8030-003 19 |
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