S3053

5CH BTL Motor Drive IC S3053 Semiconductor http:// www.auk.co.kr Description The S3053 is 5 Channel BTL DC motor drivers IC for controlling the motors and actuators of DVD-Player and it contain 2 independent precision voltage regulators with adjustable range from 1.24V to 4V. Furthermore, it offers a voltage detector for system reset. It supports various applications with pb free and heat-sink package. Application ◈ CD-Player SSOPH-28N With Heat-sink ◈ CD-ROM ◈ DVD-Player Features and Benefits ◈ 1 Channel is bi-directional DC motor driver for tray. ◈ 4 Channels are voltage-type BTL drivers for ORDERING INFORMATION Product S3053 Marking S3053 Package SSOPH-28N actuators, sled and spindle motors. ◈ Built in Level shift circuit. ◈ Built in Thermal shut down circuit. ◈ Built in Mute mode. ◈ Built in 2 Regulator controllers. Adjustable range [ 1.25V to 4V ] ▲ Marking Detail Information ◈ A voltage detector for system reset. ◈ Dual Actuator drivers A general purpose input OP Provides differential input for signal addition. The output structure is two power OPAMPS in bridge configuration. ◈ Sled motor driver A general purpose input OP provides differential input for signal addition. The output structure is one power OPAMP in bridge configuration. ◈ Spindle driver Single input linear BTL driver. The output structure are two power OPAMPS in bridge configuration. ◈ Tray Bi-directional driver The DC motor driver supports forward/reverse control for tray motor. S3053(①) YYWW(②) ① Device Code ② Year & Week Code KSD-I7A003-004 SEPT., 2010 REV. 04 1 28 25 24 23 22 PGND 27 26 21 20 19 18 17 16 15 17k MUTE Vcc2 V o lta g e D e te c to r 17k 25.5k -+ +- SPINDLE ACTUATO DRIVER(4X) DRIVER(6X) ◈ Internal Block Diagram & Pin Assignment S3053 Shut down Vcc2 Vcc2 4 2 .5 k 17k +- Vcc1 +- 42.5k +- SLED ACTUATOR DRIVER(4X) Pre-DRV PGND Vcc1 TRAY DRIVER DRIVER(6X) 17k KSD-I7A003-004 3 4 5 6 7 8 9 10 11 Thermal 4 2 .5 k 2 1 2 12 13 14 SEPT., 2010 REV. 04 -+ S3053 ◈ Pin Description NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 SYMBOL VINFC TRB_1 REG02 VINSL REG01 FWD REV VCC1 VOTRVOTR+ VOSL+ VOSLVOFCVOFC+ VOTK+ VOTKVOLD+ VOLDVCC2 VCCD VCTL GND VINLD RESET TRB_2 VINTK BIAS MUTE I/O I O I I I I I PWR O O O O O O O O O O PWR I I I O O I I I Input for focus driver DESCRIPTION Connect to external transistor base Regulator voltage feedback, Connect to external bias resistor. Input for sled driver Regulator voltage feedback, Connect to external bias resistor. Tray driver input signal for forward direction Tray driver input signal for reverse direction VCC for pre-drive block and power block of sled & tray Tray driver output (-) Tray driver output (+) Sled driver output (+) Sled driver output (-) Focus driver output (-) Focus driver output (+) Tracking driver output (+) Tracking driver output (-) Spindle driver output (+) Spindle driver output (-) VCC for power block of focus, tracking and spindle Input for voltage detection Speed control input of tray driver Ground Input for spindle driver Output for system reset Connect to external transistor base Input for tracking driver Input for reference voltage Input for mute control Symbol of + and – [ output of drives ] means polarity to input pin. For example : if voltage level of pin1 is high, pin14 is high KSD-I7A003-004 SEPT., 2010 REV. 04 3 S3053 ◈ Absolute Maximum Ratings ( Ta = 25℃ ) Parameter Supply Voltage Power Dissipation Operate Temperature Range Storage Temperature Range Symbol VCC1/VCC2 Pd Topr Tstg Limits 13.5 1.7 -35 ~ +85 -55 ~ +150 Unit V W ℃ ℃ [ Pd ] When mounted on a 70mm×70mm×1.6mm glass epoxy board. Reduced by 13.6mW for each increase in Ta of 1℃ [ Tstg ] Should not exceed Pd or SOA and Tj=150℃ values ◈ Guaranteed Operating Conditions ( Ta = 25℃ ) Parameter Power Supply Voltage Symbol VCC1 VCC2 Limits 4.3 ~ 13.2 4.3 ~ VCC1 Unit V V ◈ Power Dissipation Curve [ Pd ] ◈ 70mm×70mm×1.6mm glass epoxy board . ◈ De-rating is done at 13.6mW/℃ for operating above Ta=25℃ KSD-I7A003-004 SEPT., 2010 REV. 04 4 S3053 ◈ Electrical characteristics ( Unless otherwise specified Ta=25℃, Vcc1=12V, Vcc2=5V, BIAS=2.5V, RL=8Ω/10Ω/20Ω/45Ω) NO 1 2 3 4 5 6 7 8 9 10 11 12 Characteristics Quiescent current Voltage for Mute on Voltage for Mute off Output Offset Voltage Maximum output Voltage Voltage Gain Output Offset Voltage Maximum output Voltage Voltage Gain Output Offset Voltage Maximum output Voltage Voltage Gain Symbol Iqc Vston Vstoff Voo Vom Gv Voosl Vomsl Gvsl Voold Vomld Gvld Condition MIN. 0 2 -50 3.6 22.3 -100 7.5 18.0 -50 13.5 Specification TYP. 30 4 23.5 9.0 20.0 3.5 15.5 MAX. 0.5 5 50 24.7 100 22.0 50 17.5 Unit mA V V mV V dB mV V dB mV V dB < Actuator Driver: Focus, Tracking > @10Ω Load VIN=BIAS+0.2Vpp ac @1khz < Sled Motor Driver > @20Ω Load VIN=BIAS+0.2Vpp ac @1khz < Spindle Motor driver > @8Ω Load VIN=BIAS+0.2Vpp ac @1khz Upper + Lower saturation IL=200mA Output saturation voltage1 between FWD and REV Upper + Lower saturation IL=500mA VCTL=2V < Tray Motor driver > 13 14 15 16 Output saturation Voltage1 Output saturation voltage between F&R Output saturation Voltage2 Output adjustable gain on "H" side voltage High level input voltage Low level input voltage High level input current Vsat1 △Vsat1 Vsat2 VvtrH 0.7 1 7.4 1.1 1.55 9.2 1.5 0.1 2.2 11 V V V dB < Tray Motor driver input logic > 17 18 19 VIH VIL IIH VFWD=VREV=5V 1.5 -0.3 2.35 3.1 -50.0 -25.0 180.0 2.5 3.3 0.0 0.0 Vcc 0.5 270.0 2.65 3.5 50.0 25.0 V V uA < Regulator > 20 21 22 Output voltage Load Regulation Line Regulation Vreg Vld Vle IL=500mA IL=0~500mA Vcc=4.5~8V, IL=500mA V mV mV < Voltage Detector > 23 24 25 Detection Voltage Low level output voltage Hysteresis VCCD VOL Vhys RL=500 Ω, VOL< 0.4V 2.75 2.90 170.0 3.05 0.4 mV V mV [Regulator] It is based on STA353 PNP application. Vreg can be set to other voltage with 5% deviation. KSD-I7A003-004 SEPT., 2010 REV. 04 5 S3053 Application Information 1. Thermal Shut Down Circuit Focus, Tracking, Tray, Spindle, Sled, Con. Current Reg. Bandgap Voltage [ 1.25V ] R2 R3 IHys R4 R1 The built-in thermal shutdown circuit mutes the output current when the chip temperature reaches 175℃ (typ.). The hysteresis is set to 25℃ (typ.) by IHys, so the circuit will start up again when the chip temperature falling to 150℃ (typ.) 2. Regulator Circuit 5V Internal Circuit External Circuit + Ref. Voltage [ 1.25V ] – STA353 Vout R1 R2 -. The Ref. Voltage is generated by the internal circuit [Band gap reference] -. It needs to attach an external power TR [* AUK PNP Power TR : STA353 *] -. The output voltage of the regulator is calculated depend on R1 and R2’s values. Vout = (1+ R1/R2) × 1.25 3.3V [R1: 16.4K / R2 : 10K] 2.5V [R1: 10K / R2 : 10K] KSD-I7A003-004 SEPT., 2010 REV. 04 6 S3053 3. Bias & Mute Circuit Focus, Tracking, Sled Spindle Con. Current Bias Mute R1 R3 R2 R4 Bias pin (pin 27) should be pulled up to more than 1.2V. In case the bias pin’s voltage is pulled down below 1.2V (typ.), the output current is muted, also Mute pin is same as Bias pin. [Except Tray, Regulator, Voltage Detector, those are only controlled by Vcc1. ] 4. Voltage Detector Circuit 750 49K + 20K RESET VCCD Regulator Bandgap Voltage [ 1.25V ] 10K 20K The Voltage detector is construction of open collector with external pulled up Resister for system reset. 1) Output Status : High to Low [ VCCD : 2.92V ] / Low to High [ VCCD : 3.09V ] 2) Hysteresis range : 170mV KSD-I7A003-004 SEPT., 2010 REV. 04 OPIN + - 7 S3053 5. BTL Driver Circuits [Focus, Tracking, Sled, Spindle] R4 R3 Va(+) VI-Converter Iconv Vin R1 Bias Level Shift + Vo(+) PAMP1 + + R2 Iconv(+) Iconv(-) R5 Va(-) R6 + - Vo(-) PAMP2 - Pref R7 BTL Driver Circuits are composed of VI-Converter, Level Shifter and Output power AMP. VI-Converter converts voltage of Vin into current [Iconv ] Iconv = (Vin – Bias ) / R1[10KΩ] [ Closed loop Voltage Gain Calculation ] Va(+) = (R2×Iconv ) + Pref Va(-) = (-R5×Iconv) + Pref Vo(+) = Va(+)×(1 + R4/R3 ) Vo(-) = Va(-)×( 1 + R7/R6 ) [ * R2 = R5 , R3 = R6, R4 = R7 * ] Focus, Tracking closed loop Voltage Gain [ R2 = 25KΩ, R3 = 10KΩ, R4 = 20KΩ ] Gain = 20 log [{ Vo(+) - Vo(-) } / (Vin - Bias) ] = 20 log [{ Va(+)×( 1 + R3/R4 ) - Va(-)×( 1 + R6/R7 ) } / ( Vin – Bias ) ] = 20 log [{(R2×Iconv ) + Pref }×( 1 + R4/R3 )]– [{(-R5×Iconv) + Pref }×( 1 + R7/R6 )] (Vin – Bias ) = 20 log [2×(25K/10K)×{1+(20K/10K)} ] = 23.5 [dB] Sled closed loop Voltage Gain [R2 = 25KΩ, R3 = 10KΩ, R4 = 10KΩ ] Gain = 20 log [2× (25K/10K)×{1+(10K/10K)} ] = 20 [dB] Spindle closed loop Voltage Gain [R2 = 15KΩ, R3 = 10KΩ, R4 = 10KΩ] Gain = 20 log [2× (25K/10K)×{1+(10K/10K)} ] = 15.5 [dB] KSD-I7A003-004 SEPT., 2010 REV. 04 8 S3053 6] Tray driver logic input Speed Control Driver 1 R2 R1 VCTL FWD R3 R5 REV Driver 2 + VOTR(+) VOTR(-) R4 R6 Switching Logic FWD [pin6] L L H H REV [pin7] L H L H VOTR+ [pin10] OPEN L H L VOTR- [pin9] OPEN H L L FUNCTION Open mode Reverse mode Forward mode Brake mode Input circuit of pin6 [FWD] and pin7 [REV] is designed to avoid simultaneous activation of upper and lower output power TR. however, in order to improve reliability, apply motor forward/reverse input once through open mode. We recommend that the time period of open state is longer than 10msec. “H” side output voltage on output voltage [VOL+, VOL-] varies depending on output control terminal for tray. [pin21]“H” side output voltage is set three times (9.2dB typ.) VTCL [pin21], and “L” side output voltage is equal to output saturation voltage. KSD-I7A003-004 SEPT., 2010 REV. 04 9 S3053 Characteristic Diagrams Fig. 1 VCC - IQC Fig. 2 Temperature - IQC Fig. 3 VOM - VCC Fig.4 VOM - VCC Ω Ω Fig. 5 VOM - VCC Fig.6 VCCD - RESET Ω KSD-I7A003-004 SEPT., 2010 REV. 04 10 S3053 ◈ Application Circuit S E R VO TRACKING FOCUS Tray voltage Control SPINDLE RESET u- C O M REV 3.3V V C C = 5V 4.7K 3.3V V C C = 5V M 28 27 26 17k Voltage Detector MUTE SLED FWD VREF 0.1uF Focus coil 17 16 15 25 24 23 22 PGND 21 20 19 18 Vcc2 17k 25.5k SP IN D LE D R IVE R (4X ) A C TU AT O D R IVE R (6X) -+ M U TE +42.5k T herm al Shut d ow n 42.5k +- 17k 4.4K 16.4K ADJ 1.8V REGOUT ADJ 3.3V REGOUT 10K 47uF 10K 1 2 V C C = 5V SEPT., 2010 REV. 04 +- -+ Vcc2 Vcc2 17k +- Vcc1 42.5k S LED D R IVE R (4X) P re- D R V PGND Vcc1 TR AY D R IV ER A C TU A T O R D R IVE R (6X) 3 4 5 6 7 8 9 M 0.1uF 10 11 M 12 13 14 F ocus coil 47uF V C C = 5V KSD-I7A003-004 11 S3053 ◈ Package Dimension SSOPH-28N With Heat-sink KSD-I7A003-004 SEPT., 2010 REV. 04 12 S3053 The AUK Corp. products are intended for the use as components in general electronic equipment (Office and communication equipment, measuring equipment, home appliance, etc.). Please make sure that you consult with us before you use these AUK Corp. 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, transportation, combustion control, all types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice. KSD-I7A003-004 SEPT., 2010 REV. 04 13