Preliminary Datasheet 5-CHANNEL MOTOR DRIVER FOR DVD PLAYER General Description Features The AM5665 is a 5-channel BTL driver IC, in which two channels drive DC motor, two channels with current feedback drive the coils, such as the focus and the tracking actuator of DVD player, and the other one channel drives the bi-direction DC motor for tray. · · · · · · The AM5665 is available in standard HSOP-28 package. AM5665 2-Channel DC Motor BTL Driver 2-Channel BTL Driver for Coils with Current Feedback 1-Channel Forward/Reverse Control DC Motor Driver Built-in Thermal Shutdown Circuit Built-in Standby Circuit Operating Voltage: 4.5 to 8.0V Applications · DVD Player HSOP-28 Figure 1. Package Type of AM5665 BCD Semiconductor Manufacturing Limited Apr. 2005 Rev. 1. 1 1 Preliminary Datasheet 5-CHANNEL MOTOR DRIVER FOR DVD PLAYER AM5665 Pin Configuration M Package (HSOP-28) VINFC 1 28 STBY CFCerr1 2 27 VBIAS CFCerr2 3 26 VINTK VNFFC 4 25 CTKerr1 VINSL 5 24 CTKerr2 FWD 6 23 VINLD REV 7 22 GND PGND PGND VCC1 8 21 VCTL VOTR- 9 20 VNFTK VOTR+ 10 19 VCC2 VOSL- 11 18 VOLD- VOSL+ 12 17 VOLD+ VOFC- 13 16 VOTK- VOFC+ 14 15 VOTK+ Figure 2. Pin Configuration of AM5665 (Top View) BCD Semiconductor Manufacturing Limited Apr. 2005 Rev. 1. 1 2 Preliminary Datasheet 5-CHANNEL MOTOR DRIVER FOR DVD PLAYER AM5665 Pin Description Pin Number Pin Name Function 1 VINFC 2 CFCerr1 Capacitor connection 1 for the error amp filter of focus channel 3 CFCerr2 Capacitor connection 2 for the error amp filter of focus channel 4 VNFFC Focus driver feedback pin 5 VINSL Sled driver input 6 FWD Tray driver forward input 7 REV Tray driver reverse input 8 VCC1 Power supply 1 9 VOTR- Tray driver output (-) 10 VOTR+ Tray driver output (+) 11 VOSL- Sled driver output (-) 12 VOSL+ Sled driver output (+) 13 VOFC- Focus driver output (-) 14 VOFC+ Focus driver output (+) 15 VOTK+ Tracking driver output (+) 16 VOTK- Tracking driver output (-) 17 VOLD+ Loading driver output (+) 18 VOLD- Loading driver output (-) 19 VCC2 20 VNFTK Tracking driver feedback pin 21 VCTL Tray driver speed control pin 22 GND Ground 23 VINLD 24 CTKerr2 Capacitor connection 2 for the error amp filter of tracking channel 25 CTKerr1 Capacitor connection 1 for the error amp filter of tracking channel 26 VINTK Tracking driver input 27 VBIAS VREF input pin 28 STBY Stand-by control Focus driver input Power supply 2 Loading driver input BCD Semiconductor Manufacturing Limited Apr. 2005 Rev. 1. 1 3 Preliminary Datasheet 5-CHANNEL MOTOR DRIVER FOR DVD PLAYER AM5665 Functional Block Diagram THERMAL SHUT DOWN STANDBY 1 28 STBY VINFC 10K 20K 27 2 CFCerr1 VBIAS 7.5K 26 3 VINTK CFCerr2 20k 4 10k 25 7.5k CTKerr1 VNFFC 7.5k 24 5 VINSL CTKerr2 10k 7.5k 10k 6 23 FWD VINLD 7 22 20k REV ×2 20k 20k PGND ×2 10k 20k GND 10k PGND 10K VOTR- 8 21 VCC1 VCC1 Pre-DRV 9 20 15k 25K 10 VCTL 10k VNFTK TRAY DRIVER 19 VCC2 VOTR+ VCC2 18 11 VOSL- 12 SLED DRIVER VCC1 VCC1 VOLDLOADING DRIVER 17 VOSL+ VOLD+ 16 13 VOFC- VOTK- 14 VOFC+ ACTUATOR DRIVER ACTUATOR DRIVER 15 VOTK+ VCC2 Figure 3. Functional Block Diagram of AM5665 BCD Semiconductor Manufacturing Limited Apr. 2005 Rev. 1. 1 4 Preliminary Datasheet 5-CHANNEL MOTOR DRIVER FOR DVD PLAYER AM5665 Ordering Information AM5665 E1: Lead Free Blank: Tin Lead Circuit Type Package M28: HSOP-28 Package Part Number Marking ID Temperature Range Tin Lead Lead Free Tin Lead Lead Free Packing Type 0 to 70oC AM5665M28 AM5665M28-E1 AM5665M28 AM5665M28-E1 Tube HSOP-28 BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit Supply Voltage VCC1, 2 9.6 V ESD 2000 V PD 1.7 W TSTG -55 to +150 ℃ ESD (HBM) Power Dissipation Storage Temperature Range Note 1: Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability. Recommended Operating Conditions Parameter Supply Voltage Symbol Min Max Unit VCC1 4.5 8.0 V VCC2 Operating Temperature V 4.5 to VCC1 TA 0 70 ℃ BCD Semiconductor Manufacturing Limited Apr. 2005 Rev. 1. 1 5 Preliminary Datasheet 5-CHANNEL MOTOR DRIVER FOR DVD PLAYER AM5665 Electrical Characteristics (TA=25oC, VCC1=VCC2=5V, VBIAS=1.65V, RL1=RL2=8Ω, RL3=RL4=12Ω, RL5=45Ω, unless otherwise specified.) Parameter Symbol Quiescent Current ICC Standby Current IST Conditions Min No load Typ Max Unit 18 27 mA 2.3 4.0 mA Standby on Voltage VSTON 0 0.5 V Standby off Voltage VSTOFF 2.0 5.0 V IOO1,2 -10 +10 mA Actuator Driver Output Offset Current Maximum Output Voltage Transmission Gain VO1,2MAX VIN=VBIAS ± 1.5V 3.3 3.5 gm VIN=VBIAS ± 0.2V 1.3 1.5 V 1.7 A/V 100 mV Sled Motor Driver Output Offset Voltage VOOSL -100 Maximum Output Voltage VO3MAX VIN=VBIAS ± 1.5V 3.3 3.5 Closed-Loop Voltage Gain GVSL VIN=VBIAS ± 0.2V 18.0 20.0 V 22.0 dB 50 mV Loading Motor Driver Output Offset Voltage VOOLD -50 Maximum Output Voltage VO4MAX VIN=VBIAS ± 5.5V 3.3 3.5 Closed-Loop Voltage Gain GVLD VIN=VBIAS ± 0.2V 14 16 18 dB 0 1 2 dB RL5=45Ω, RVCTL=0Ω -50 0 50 mV VO5MAX1 RL5=45Ω, RVCTL=400Ω 1.3 1.5 1.7 V VO5MAX2 RL5=45Ω, RVCTL=0Ω 3.8 4.0 4.2 V Gain Error by Polarity △ GVLD V Tray Motor Driver Output Offset Voltage VOOTR Maximum Output Voltage Input High Level Voltage VIH 2.0 5.0 V Input Low Level Voltage VIL 0 0.8 V BCD Semiconductor Manufacturing Limited Apr. 2005 Rev. 1. 1 6 Preliminary Datasheet 5-CHANNEL MOTOR DRIVER FOR DVD PLAYER AM5665 Test Circuit VCC2 100µF 16V 100µH RL2 0.5 - 100pF RL4 VCC1 VST VBIAS 28 VIN2 27 26 VIN4 25 24 RVCTL 23 22 A IO2 + 21 - 20 19 VO2 VO4 18 17 + - + 16 15 VOLD- VOLD+ VOTK- VOTK+ AM5665 VOTR- VOTR+ VOSL- VOSL+ VOFC- VOFC+ 1 2 3 4 5 6 VIN3 VIN1 7 FWD 8 9 10 11 12 - REV A ICC + 13 14 - VO3 + VO1 + 100µF 16V VCC1 100pF RL3 A 0.5 IO1 RL1 VO5 100µH RL5 Figure 4. Test Circuit of AM5665 BCD Semiconductor Manufacturing Limited Apr. 2005 Rev. 1. 1 7 Preliminary Datasheet 5-CHANNEL MOTOR DRIVER FOR DVD PLAYER AM5665 Typical Performance Characteristics (Note 2) 4 4 3 2 2 Output Voltage VO (V) Output Voltage VO (V) 3 1 0 -1 -2 VCC1=VCC2=5V VBIAS=1.65V RL=8Ω+100µH -3 1 0 -1 VCC1=VCC2=5V VBIAS=1.65V RL=8Ω+100µH External RIN=20K -2 -3 -4 -0.6 -0.4 -0.2 0.0 0.2 0.4 -4 0.6 -1.0 -0.8 -0.6 Input Voltage ∆VIN (V) -0.2 0.0 0.2 0.4 0.6 0.8 1.0 Input Voltage ∆VIN (V) Figure 6. Driver I/O Characteristics (Focus) Figure 5. Driver I/O Characteristics (Focus) 4 4 3 Output Voltage VO (V) 3 Output Voltage VO (V) -0.4 2 1 0 -1 -2 VCC1=VCC2=5V VBIAS=1.65V RL=8Ω+100µH -3 2 1 0 -1 VCC1=VCC2=5V VBIAS=1.65V RL=8Ω+100µH External RIN=18K -2 -3 -4 -4 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 -1.0 Input Voltage ∆VIN (V) -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 Input Voltage ∆VIN (V) Figure 8. Driver I/O Characteristics (Track) Figure 7. Driver I/O Characteristics (Track) BCD Semiconductor Manufacturing Limited Apr. 2005 Rev. 1. 1 8 Preliminary Datasheet 5-CHANNEL MOTOR DRIVER FOR DVD PLAYER AM5665 4 4 3 3 Output Voltage VO (V) Output Voltage VO (V) Typical Performance Characteristics (Continued) 2 1 0 -1 -2 VCC1=VCC2=5V VBIAS=1.65V RL=12Ω -3 2 1 0 -1 VCC1=VCC2=5V VBIAS=1.65V RL=12Ω External RIN=10K -2 -3 -4 -4 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 -1.0 -0.8 -0.6 Input Voltage ∆VIN(V) 3 3 Output Voltage VO (V) 4 2 Output Voltage VO (V) 0.0 0.2 1 0 -1 VCC1=VCC2=5V VBIAS=1.65V RL=12Ω -0.6 -0.4 -0.2 0.0 0.2 0.8 1.0 1 0 -1 VCC1=VCC2=5V VBIAS=1.65V RL=12Ω External RIN=15K -2 -4 -0.8 0.6 2 -3 -4 -1.0 0.4 Figure 10. Driver I/O Characteristics (Sled) 4 -3 -0.2 Input Voltage ∆VIN (V) Figure 9. Driver I/O Characteristics (Sled) -2 -0.4 0.4 0.6 0.8 -2.0 1.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 Input Voltage ∆VIN (V) Input Voltage ∆VIN (V) Figure 11. Driver I/O Characteristics (Loading) Figure 12. Driver I/O Characteristics (Loading) BCD Semiconductor Manufacturing Limited Apr. 2005 Rev. 1. 1 9 Preliminary Datasheet 5-CHANNEL MOTOR DRIVER FOR DVD PLAYER AM5665 Typical Performance Characteristics (Continued) 8 RVCTL=0Ω RVCTL=200Ω RVCTL=400Ω RVCTL=600Ω Output Voltage VO (V) 7 6 5 4 3 2 1 0 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 Input Voltage VCC1 (V) Figure 13. Tray Speed Control Characteristics Note 2: For the above figures 6, 8, 10, 12, please refer to the following "Typical Application" section. BCD Semiconductor Manufacturing Limited Apr. 2005 Rev. 1. 1 10 Preliminary Datasheet 5-CHANNEL MOTOR DRIVER FOR DVD PLAYER AM5665 Typical Application 330p STBY FOCUS IN 1 28 2 27 3 26 20k VBIAS 20k 150p 330p TRACK IN 0.015µ 0 4 18k 25 SLED IN 0.1µ 20K 150p 10k 5 24 6 23 0 10k FWD SPINDLE IN 10k 15k REV 7 22 AM5665 10k 10k 5V 0.1µ TRAY- 47µ 8 0.1µ 47µ 21 0 9 20 10 19 11 18 12 17 13 16 5V TRAY+ SL- SP- SL+ SP+ 1 1 FC- TK- 1 1 FC+ TK+ 14 15 Figure 14. Typical Application of AM5665 in DVD Player BCD Semiconductor Manufacturing Limited Apr. 2005 Rev. 1. 1 11 Preliminary Datasheet 5-CHANNEL MOTOR DRIVER FOR DVD PLAYER AM5665 Application Information This application information is only for the Tray Motor Driver section. Tray Motor Driver VCC1 Level Shift VCC1 + RVCTL Pre-Amp VCTL VOTR+ + VOTR- FWD Logic Switching REV Figure 15. Tray Motor Driver Control Illustration Output Status Control Table Input Output FWD REV VOTR+ VOTR- Status High High Low Low Break High Low High Low Forward Low High Low High Reverse Low Low Open Open Standby Tray Motor Speed Control The amplitude of output voltage depends on VCTL (pin 21). Connect a resistor between VCTL (pin 21) and VCC1, and you can obtain different output voltages for tray driver by changing the value of RVCTL. (See Figure 4.) BCD Semiconductor Manufacturing Limited Apr. 2005 Rev. 1. 1 12 Preliminary Datasheet 5-CHANNEL MOTOR DRIVER FOR DVD PLAYER AM5665 Mechanical Dimensions HSOP-28 Unit: mm(inch) 17.890(0.704) 18.190(0.716) 0.204(0.008) 0.360(0.014) 0.400(0.016) 1.270(0.050) 10.000(0.394) 10.650(0.419) 7.400(0.291) 7.600(0.300) 0o ~ 8 o 0.800(0.031) TYP 5.050(0.199) 5.250(0.207) 0.230(0.009) 0.470(0.019) 0.100(0.004) 0.300(0.012) 2.180(0.086) 2.330(0.092) 2.280(0.090) 2.630(0.104) BCD Semiconductor Manufacturing Limited Apr. 2005 Rev. 1. 1 13 http://www.bcdsemi.com BCD Semiconductor Corporation 3170 De La Cruz Blvd, Suite # 105 Santa Clara, CA 95054-2411, U.S.A Tel: +1-408-988 6388, Fax: +1-408-988 6386 Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. 800 Yi Shan Road, Shanghai 200233, PRC Tel: +86-21-6485-1491, Fax: +86-21-5450-0008 Advanced Analog Circuits (Shanghai) Corporation 8F, B Zone, 900 Yi Shan Road, Shanghai 200233, PRC Tel: +86-21-6495 9539, Fax: +86-21-6485 9673 BCD Semiconductor (Taiwan) Company Limited Room 2210, 22nd Fl, 333, Keelung Road, Sec. 1, TaiPei (110), Taiwan Tel: +886-2-2758 6828, Fax: +886-2-2758 6892 IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifications herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others.