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| Ordering number : EN*A0827 Monolithic Linear IC LA6574D Overview Five-Channel Driver (four BTL channels plus one H bridge channel) for MD and CD Player The LA6574D is a motor driver IC for MD and CD players with four BTL channels and one H bridge channel. The LA6574D features a separate power supply for the H bridge block, an output adjustment pin, and a 3.3V regulator to support a wide range of applications. Features and Features * Four power amplifier channels plus one H bridge channel * IO max: 700mA (each channel) * Built-in level shifting circuits for the BLT amplifiers * Thermal protection circuit (Thermal shutdown circuit) * Separate loading block power supply * Built-in 3.3V regulator * Provides a dedicated pin for adjusting the loading block output Specifications Maximum Ratings at Ta = 25C Parameter Supply voltage Allowable power dissipation Symbol VCC max Pd max Independent IC Mounted on a specified board Maximum output current Maximum input voltage MUTE pin voltage Operating temperature Storage temperature IO max VINB VMUTE Topr Tstg Each channel for CH1 to CH5 Conditions Ratings 14 1.2 2.0 0.7 13 13 -30 to +85 -55 to +150 Unit V W W A V V C C * Mounted on a specified board: 76.1mmx114.3mmx1.6mm glass epoxy Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. 42507 MS IM No. A0827-1/8 LA6574D Recommended Operating Conditions at Ta = 25C Parameter Supply voltage Symbol VCC Conditions Ratings 5.6 to 13 Unit V Electrical Characteristics at Ta = 25C, VCC1 = VCC2 = 8V, VREF = 1.65V Parameter [Overall Characteristics] No load current drain - ICC on VREF input voltage range [BTL Amplifier Block] Output offset voltage Input voltage range Output voltage Closed loop voltage gain Slew rate VOFF VIN VO VG SR BTL amplifiers, the voltage difference across each channel's output Input resistance: 11k The voltage between each of the VO+/VOpairs when RL is 8. 2 Gain from input to output With the amplifier operating independently, twice the value measured between outputs 3 [H Bridge Block] Output voltage VO-LOAD VIN-L VIN-H VCONT VCONT = 3V IL = 100mA IL = 0 to 200mA VCC = 6 to 12V, IL = 100mA 2 2 3.5 The voltage between each of the VO+/VO- pairs when RL is 8. Low-level input voltage High-level input voltage Output control voltage [Regulator Block] Output voltage Load regulation Line regulation Vreg VRL VVCC 3.05 -50 -15 3.3 0 21 3.55 10 60 V mV mV 2 1 V V V 6 V 0 4 5 4 0.5 VCC V V Times V/s -50 50 mV ICC-ON VREF-IN All outputs on, FWD = REV = 0V 1 1 30 50 VCC-1.5 mA V Symbol Conditions min Ratings typ max Unit Note 1: The total current drain for VCC1 and VCC2 with no load. 2: Voltage difference across the load (8). With the outputs in the saturated state. 3: Design guarantee value Package Dimensions unit : mm (typ) 3196A 27.0 30 16 0.95 3.0 3.95max 0.51min (3.25) 0.48 1.78 (1.04) SANYO : DIP30SD(400mil) 0.25 1 15 10.16 8.6 No. A0827-2/8 LA6574D Pin Functions Pin 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 29 30 Pin Name REV FWD S-GND VCONT VIN4 VIN4G VCC-S VREF-IN REG-OUT REG-IN VIN3G VIN3 VIN2G VIN2 VIN1G VIN1 VCC1 (NC) VO1VO1+ VO2VO2+ P-GND VO3VO3+ VO4VO4+ VO5+ VO5VCC2 Description 5CH (VLO) Output change pin (REV), Logic input for loading block 5CH (VLO) Output change pin (FWD), Logic input for loading block Signal system GND Channel 5 (VLO) output voltage control Input pin for channel 4 Input pin for channel 4 (for gain control) Signal system power (VCC1 and VCC2 short-circuited) Reference voltage input pin Regulator pin (External PNP collector) Regulator pin (External PNP base) Input pin for channel 3 (for gain control) Input pin for channel 3 Input pin for channel 2 (for gain control) Input pin for channel 2 Input pin for channel 1 (for gain control) Input pin for channel 1 Power for channels 1 and 2 (BTL), (VCC-S and VCC2 short-circuited) No connect Output pin (-) for channel 1 Output pin (+) for channel 1 Output pin (-) for channel 2 Output pin (+) for channel 2 Power GND Output pin (-) for channel 3 Output pin (+) for channel 3 Output pin (-) for channel 4 Output pin (+) for channel 4 Loading output (+) Loading output (-) Power for channels 3, 4, and 5 (VCC1 and VCC-S short-circuited) *The P-GND functions as power system GND. Set this to the minimum potential together with S-GND. *Short-circuit three pins of power system, VCC-S, VCC1, and VCC2, externally before use. No. A0827-3/8 LA6574D Pin Description Pin No. 5 6 11 12 13 14 15 16 Symbol VIN4 VIN4G VIN3G VIN3 VIN2G VIN2 VIN1G VIN1 Pin Name Input Description Input pin for each channel Equivalent Circuit VIN VING VCC-S Vref 19 20 21 22 24 25 26 27 VO1VO1+ VO2VO2+ VO3VO3+ VO4VO4+ Output Each output VCC1 OUT 28 29 4 VO5+ VO5VCONT VO5 H bridge output VO5+ 2 1 FWD REV FWD REV H bridge input VO5- VCONT VCC2 FWD No. A0827-4/8 LA6574D H Bridge Block FWD L L H H REV L H L H VO5+ OFF H L L VO5OFF L H L Mode Open *1 Forward Reverse Brake *2 *1: Output: High impedance *2: In case of braking, the SINK side transistor is turned ON (short brake). VLO+ and VLO- are approximately on the GND level. *3: VCONT (output voltage setting pin) and VLO have the following relationship: VLO = VCONT - 1V (typical) Relationship between the MUTE pin and the power supplies (VCC*) CH1 CH2 MUTE CH3 CH4 H Bridge VCC2 VCC1 No. A0827-5/8 LA6574D Block Diagram REV 1 Input Thermal Shutdown CH5 POWER Output Control 30 VCC2 FWD 2 29 CH5 28 VO5- S-GND 3 VO5+ VCONT 4 Level Shift 11k 22k CH4 27 VO4+ VIN4 5 + 26 VO4- Level Shift VIN4G 6 25 CH3 24 VO3+ VCC-S 7 Signal System Power Supply + VO3- VREF-IN 8 Level Shift REG-OUT 9 3.3VREG(External PNPTr) + CH2 23 P-GND 22 VO2+ REG-IN 10 22k 21 VO2- Level Shift VIN3G 11 + 20 CH1 19 VO1+ VIN3 12 11k VO1- VIN2G 13 11k + 22k + CH1.2.3.4 POWER 22k 18 (NC) VIN2 14 17 VCC1 VIN1G 15 + 16 11k VIN1 No. A0827-6/8 LA6574D Sample Application Circuit REV 1 REV VCC2 30 FWD 2 FWD VO5- 29 M LOADING MOTOR VCONT 3 S-GND VO5+ 28 4 VCONT VO4+ 27 TRACKING COIL 5 VIN4 VO4- 26 6 VIN4G VO3+ 25 FOCUS COIL 7 VCC-S VO3- 24 8 VREF-IN P-GND 23 9 REG-OUT VO2+ 22 M SPINDLE MOTOR 10 REG-IN VO2- 21 11 VIN3G VO1+ 20 M SLED MOTOR TRACKING 12 VIN3 VO1- 19 VREF-IN 13 FOCUS SPINDLE 14 VIN2 VCC1 17 VIN2G (NC) 18 SLED 15 VIN1G VIN1 16 No. A0827-7/8 LA6574D SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written consent of SANYO Semiconductor Co.,Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor Co.,Ltd. product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. Upon using the technical information or products described herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of SANYO Semiconductor Co.,Ltd. or any third party. SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of April, 2007. Specifications and information herein are subject to change without notice. PS No. A0827-8/8 |
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