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| C M D4504 5-CH Motor Drive IC Features l 2-CH l 2-CH l 1-CH Descriptions The CMD4504 is a 5CH motor driver for CD-p/VCD/DVD systems. It is composed of 2-CH BTL driver, 2-CH driver with current feedback and 1-CH forward/reverse control DC motor driver. BTL driver BTL driver with current feedback forward/reverse control DC motor driver l Built-in motor speed control circuit l Built-in TSD (thermal shut down) circuit l Built-in mute circuit l Operating supply voltage (4.5V~13.2V) Internal Block Diagram VOFC- VOFC+ VOTK- VOTK+ VCC2 28 27 26 25 24 MUTE 23 BIAS 22 VINSP VINSL VCC1 21 20 19 VOSL+ VOSL- VOSP+ VOSP18 17 16 15 VCC2 Stand by VCC1 PGND Actuator Driver Actuator Driver Thermal Shut Down Sled Driver Spindle Driver 20K 10K 20K 7.5K 10K 7.5K 20K 7.5K 20K 7.5K Det Amp Det Amp Pre-DRV PGND GND TRAY DRIVER 10K 10K 1 2 3 4 5 6 7 VINFC CFCerr1 CFCerr2 VNFFC VNFTK CTKerr1 CTKerr2 8 GND 9 10 VINTK VCTL 11 FWD 12 REV 13 14 VOTR+ VOTR- * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Tel:886-3-3214525 Fax:886-3-3521052 Email: server@ceramate.com.tw Http: www.ceramate.com.tw Rev 1.0 May 22, 2003 Page 1 of 6 C M D4504 5-CH Motor Drive IC Pin Assignments VOFC- VOFC+ VOTK- VOTK+ VCC2 28 27 26 25 24 MUTE 23 BIAS 22 VINSP VINSL VCC1 21 20 19 VOSL+ VOSL- VOSP+ VOSP17 16 15 18 CMD4504 1 2 3 4 5 6 7 8 GND 9 VINTK 10 VCTL 11 FWD 12 REV 13 14 VINFC CFCerr1 CFCerr2 VNFFC VNFTK CTKerr1 CTKerr2 VOTR+ VOTR- Pin Definitions NO SYMBOL 1 VINFC 2 3 4 5 6 7 8 9 10 11 12 13 14 CRCerr1 CRCerr2 VNFFC VNFTK CTKerr1 CTKerr2 GND VINTK VCTL FWD REV VOTR+ VOTRFUNCTION NO Input for focus driver 15 Connection of capacitor for the 16 error amp filter Connection of capacitor for the 17 error amp filter Focus driver feedback pin 18 Input for tracking driver 19 SYMBOL FUNCTION VOSPSpindle driver output (-) VOSP+ VOSLVOSL+ VCC1 VINSL VINSP BIAS MUTE VCC2 VOTK+ VOTKVOFC+ VOFCSpindle driver output (+) Sled driver output (-) Sled driver output (+) Vcc for pre-driver block and power block of sled and tray OPAMP input for the sled driver Input for spindle driver Input for reference voltage Input for mute control Vcc for power block of spindle, tracking and focus Tracking driver output (+) Tracking driver output (-) Focus driver output (+) Focus driver output (-) Connection of capacitor for the 20 error amp filter Connection of capacitor for the 21 error amp filter Ground 22 Feedback for tracking driver 23 Speed control input of tray 24 driver Tray driver forward input 25 Tray driver reverse input 26 Tray driver output (+) 27 Tray driver output (-) 28 * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Tel:886-3-3214525 Fax:886-3-3521052 Email: server@ceramate.com.tw Http: www.ceramate.com.tw Rev 1.0 May 22, 2003 Page 2 of 6 C M D4504 5-CH Motor Drive IC Absolute Maximum Ratings (Ta=25J) CHARACTERISTICS Maximum supply voltage Power dissipation Operating temperature Storage temperature SYMBOL VCC max Pd Topr Tstg VALUE 18 2.5* -35~+85 -55~+150 UNIT V W J J Note: 1. When mounted on 50mm * 50mm * 1mm PCB (Phenolic resin material). 2. Power dissipation reduces 20mW/J for using above Ta=25J 3. Do not exceed Pd and SOA Power Dissipation Curve Power Dissipation (mW) 3 2 1 0 25 50 75 100 125 150 175 Ambient Temperature ( ) Recommended Operating Conditions CHARACTERISTICS Supply voltage Supply voltage SYMBOL VCC1 VCC2 VALUE 4.5~13.2 4.5~13.2 UNIT V V * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Tel:886-3-3214525 Fax:886-3-3521052 Email: server@ceramate.com.tw Http: www.ceramate.com.tw Rev 1.0 May 22, 2003 Page 3 of 6 C M D4504 5-CH Motor Drive IC Electrical Characteristics (VCC1=8V, VCC2=5V, f=1kHz, RL =8[ , Rs =0.5[ , Ta=25J unless otherwise specified.) CHARACTERISTICS Quiescent circuit current All mute in current All mute on voltage All mute off voltage Reference mute on voltage Reference mute off voltage SYMBOL Icc Iamute Vamon Vamoff Vrmon Vrmoff CONDITIONS No load Pin23=GND Pin23=variation Pin23=variation Pin23=variation Pin23=variation MIN 2.0 2.0 TYP 15 - MAX 4 0.5 0.5 - UNIT mA mA V V V V [ ACTUATOR PART (CH4,CH5)] Output offset current Maximum output voltage 45 Transmission gain 45 Ioo Vom45 Gm45 Pin1=Pin9=Pin22=Vref Vcc2=5V, RL= 8[ Vin=0.1Vrms, f=1kHz 0 3.8 1.5 mA V A/V [ SPINDLE,SLED PART (CH2,CH3)] Output offset voltage 23 Maximum output voltage 23 Closed-loop voltage gain 23 Slew rate 23 Ripple rejection ratio 23 Voo23 Vom23 Avf23 SR23 RR23 Vin=Vref Vcc1=8V,RL=12[ Vin=0.1Vrms, f=1kHz Vout=4.0 Vpp, Square Vin=0.1Vrms, f=120Hz -100 16 50 6.0 18 1.5 60 +100 20 mV V dB V/uS dB [ TRAY DRIVE PART (CH1)] Input high level voltage Input low level voltage Output voltage CTL to output transfer gain Output offset voltage 1 Output offset voltage 2 Vih Vil Vo Gv Voo1 Voo2 Vcc=8V, RL=45[ Pin10=open Vcc=8V, RL=45[ Pin10=3~4V Pin11=Pin12=5V Pin11=Pin12=0V 2.0 -50 -50 6 1 0.5 +50 +50 V V V V/V mV mV * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Tel:886-3-3214525 Fax:886-3-3521052 Email: server@ceramate.com.tw Http: www.ceramate.com.tw Rev 1.0 May 22, 2003 Page 4 of 6 C M D4504 5-CH Motor Drive IC Application Circuit Focus Actuator Focus Actuator Sled Motor Spindle Motor R1 R2 28 27 26 25 24 VCC2 23 22 21 20 19 18 17 16 15 Stand by Actuator Driver Actuator Driver Thermal Shut down VCC1 PGND Sled Driver Spindle Driver 20K 20K 10K 7.5K 10K 7.5K 20K 7.5K 10K 20K Det Amp Det Amp Pre-DRV PGND GND TRAY DRIVER 7.5K 10K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 R3 C1 R4 C2 Motor Loading VCTL FWD REV Focus Tracking Sled VREF Spindle Stand-by * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Tel:886-3-3214525 Fax:886-3-3521052 Email: server@ceramate.com.tw Http: www.ceramate.com.tw Rev 1.0 May 22, 2003 Page 5 of 6 C M D4504 5-CH Motor Drive IC Mechanical Dimensions Package * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Tel:886-3-3214525 Fax:886-3-3521052 Email: server@ceramate.com.tw Http: www.ceramate.com.tw Rev 1.0 May 22, 2003 Page 6 of 6 |
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