D4505

CMD4505 CERAMATE | Alldatasheet

Document overview

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Technical content

Features

z 2-CH BTL driver with current feedback z 1-CH forward/reverse control DC motor z Built-in motor speed control circuit z Built-in TSD (thermal shut down) circuit z Built-in mute mode z Operating supply voltage(4.5V~13.2V) The CMD4506 is a 5-CH 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. Internal Block Diagram 10K 10K 10K 25K 25K 15K PGND 25K 10K Spindle Driver Actuator Driver Actuator Driver Sled Driver TRAY Driver Pre-DRV Stand by Thermal Shut down PGND VCC1 VCC2 VCC2 GND VCC2 VCC1 VINFC OP2IN- OP2IN+ VINSL FWD REV OP2OUT VCC1 VOTR- VOTR+ VOSL+ VOSL- VOFC- VOFC+ MUTE BIAS VINTK OP1IN+ OP1IN-VINLD GND VCTL OP1OUTVCC2 VOLD- VOLD+ VOTK- VOTK+

5-CH BTL Driver for DVD Player * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Fax:886-3-3521052 Page 2 of 6 Rev 1.0 Oct. 6,2004 Pin Assignments Pin Definitions NO SYMBOL FUNCTION NO SYMBOL FUNCTION VINFC Input for focus driver VOTK+ Tracking driver output (+) OP2IN- Comparator 2 input (-) VOTK- Tracking driver output (-) OP2IN+ Comparator 2 input (+) VOLD+ Spindle driver output (+) VINSL+ Input for the sled driver VOLD- Spindle driver output (-) OP2OUT Comparator 2 output Vcc2 Vcc for power block of spindle, tracking and focus FWD Tray driver forward input OP1OUT Comparator 1 output REV Tray driver reverse input VCTL Speed control input of tray driver Vcc1 Vcc for pre-drive block and power block of sled and tray GND Ground VOTR- Tray driver output (-) VINLD Input for spindle driver VOTR+ Tray driver output (+) OP1IN- Comparator 1 input (-) VOSL+ Sled driver output (+) OP1IN+ Comparator 1 input (+) VOSL- Sled driver output (-) VINTK Input for tracking driver VOFC- Focus driver output (-) BIAS Input for reference voltage VOFC+ Focus driver output (+) MUTE Input for mute control

5-CH BTL Driver for DVD Player * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Fax:886-3-3521052 Page 3 of 6 Rev 1.0 Oct. 6,2004 Absolute Maximum Rating(Ta=25℃) CHARACTERISTICS SYMBOL LIMITS UNIT Supply voltage Vcc1 Vcc2 13.5 V Power dissipation Pd *1.7 W Operate Temp range Topr -35~+85 Storage Temp range Tstg -55~+150 Note: 1. When mounted on 50mm x 50mm x 1mm PCB ( Phenolic resin material). 2. Power dissipation reduces 20mW/℃for using above Ta=25 . 3. Do not exceed Pd and SOA Power Dissipation Curve Recommended Operating Conditions CHARACTERISTICS SYMBOL LIMITS UNIT Vcc1 4.5~13.2 V Supply voltage Vcc2 4.5~Vcc1 V 100 125 150 Ambient Temperature ( 175 Power Dissipation (mW)

5-CH BTL Driver for DVD Player * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Fax:886-3-3521052 Page 4 of 6 Rev 1.0 Oct. 6,2004

Electrical Characteristics

(VCC1=8V, VCC2=5V, BIAS=2.5V, f=1kHz, RL=8Ω, RS=0.5Ω, Ta=25℃ unless otherwise specified) Limit Characteristics Symbol Conditions Min Typ. Max Unit Quiescent current Icc mA Voltage for mute ON Vston 0.5 V Voltage for mute OFF Vstoff 2.0 V [Actuator Part] Output offset voltage Voo ±50 mV Maximum output voltage Vom @10ΩLoad 3.6 4.0 V Voltage gain Gv VIN=BIAS+0.2Vpp ac @1KHz 23.5 dB [Sled Part] Output offset voltage Voofsl ±100 mV Maximum output voltage Vomsl @20ΩLoad 7.5 9.0 V Closed loop voltage gain Gvsl VIN=BIAS+0.2Vpp ac @1KHz dB [Spindle Part] Output offset voltage Voofld ±50 mV Maximum output voltage Vomax @8ΩLoad 3.5 V Voltage gain Gvld VIN=BIAS+0.2Vpp ac @1KHz 13.3 15.5 17.5 dB Gain error by polarity Gvld VIN=BIAS+0.2Vpp ac @1KHz dB [Tray Driver Part] Output saturation voltage 1 Vsat1 Upper + Lower saturation, IL=200mA 0.7 1.1 1.5 V Output saturation voltage between F&R Vsat1 Output saturation voltage 1 between FWD and REV 0.1 V Output saturation voltage 2 Vsat2 Upper + Lower saturation, IL=500mA 1.0 1.55 2.2 V Output adjustable gain on “H” side voltage VvtrH VCTL=2V 7.4 9.2 dB High level input voltage VIH 1.5 Vcc V Low level input voltage VIL -0.3 0.5 V High level input current IIH VFWD=VREV=5V 180 270 µA [Comparator] Input offset voltage Voofc ±1.0 ±2.0 mV Input common-mode voltage range Vcmc Vcc1-1.5 V Voltage gain Gvc RL≧15kΩ 200 V/mV Output sink current Iosc Vout<1.5V 6.0 mA Saturation voltage Vsc Iosc≦4mA 250 400 mV

5-CH BTL Driver for DVD Player * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Fax:886-3-3521052 Page 5 of 6 Rev 1.0 Oct. 6,2004 Application Circuit 10K 10K 10K 25K 25K 15K PGND 25K 10K Spindle Driver Actuator Driver Actuator Driver Sled Driver TRAY DRIVER Pre-DRV Stand by Thermal Shun Downt PGND VCC1 VCC2 VCC2 + - + - GND VCC2 VCC1 SERVO U-COM 12V 5V /12V Servo Tray Voltage Control SPIN+ SPIN- SPIN+ SPIN- SERVO Focus Coil Motor Loading Sled Motor Spindle Motor Tracking Coil Spindle MUTE Tacking VREF Focus Sled FWD REV

5-CH BTL Driver for DVD Player * All specs and applications shown above subject to change without prior notice. 1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN Email: server@ceramate.com.tw Tel:886-3-3214525 Http: www.ceramate.com.tw Fax:886-3-3521052 Page 6 of 6 Rev 1.0 Oct. 6,2004 Mechanical Dimensions Package: HSOP-28 Unit: mm CMD4505