Ordering number : ENN7818 SANYO Semiconductors DATA SHEET Monolithic Linear IC LA6574H Five-Channel Driver (four BTL channels plus one H bridge channel) for MD and CD Player Overview The LA6574H is a motor driver IC for MD and CD players with four BTL channels and one H bridge channel. The LA6574H features a separate power supply for the H bridge block, an output adjustment pin, and a 3.3 V regulator to support a wide range of applications. Functions and Features • • • • • • • Four power amplifier channels plus one H bridge channel IO max: 700 mA (each channel) Built-in level shifting circuits for the BLT amplifiers Thermal protection circuit (Thermal shutdown circuit) Separate loading block power supply Built-in 3.3 V regulator Provides a dedicated pin for adjusting the loading block output. Specifications Maximum Ratings at Ta Parameter Supply voltage 25qC Symbol Conditions Ratings VCC max Allowable power dissipation Pdmax Maximum output current IO max Maximum input voltage VINB MUTE pin voltage Unit 14 V 0.82 W Mounted on a board. 2.0 W Each channel for CH1 to CH5 0.7 A 13 V Independent IC 13 V Operating temperature VMUTE Topr 30 to 85 qC Storage temperature Tstg 55 to 150 qC Note : Mounted on a board (76.1 u 114.3 u 1.6 mm) Material: glass epoxy Recommended Operating Conditions at Ta Parameter Supply voltage Symbol 25qC Conditions VCC Ratings 5.6 to 13 Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO 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 products described or contained herein. Unit V SANYO Electric Co., Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 81004TN (OT) No.7818-1/7 LA6574H Electrical Characteristics at Ta = 25°C, VCC1 = VCC2 = 8 V, VREF = 1.65 V Parameter Symbol Ratings Conditions min typ max Unit [Overall Characteristics] No load current drain - ICC on VREF input voltage range ICC-ON All outputs on, FWD 0 V 1 REV 30 VREF-IN 50 mA 1 VCC1.5 V 50 50 mV 0 VCC V [BTL Amplifier Block] Output offset voltage VOFF Input voltage range VIN BTL amplifiers, the voltage difference across each channel's output Input resistance: 11 k: The voltage between each of the VO+/VO– pairs Output voltage VO Closed loop voltage gain VG Gain from input to output Slew rate SR With the amplifier operating independently, twice the value measured between outputs 4 4 when RL is 8 :. 2 5 V 4 Multiplier 0.5 V/Ps 6 V [H Bridge Block] Output voltage VO-LOAD Low-level input voltage VIN-L High-level input voltage VIN-H Output control voltage VCONT The voltage between each of the VO/VO pairs when RL is 8 :. 2 1 V 2 VCONT V 3 V 2 3.5 V [Regulator Block] Output voltage Vreg IL 100 mA 3.05 3.3 3.55 V Load regulation 'VRL IL 0 to 200 mA 50 0 10 mV Line regulation 'VVCC 15 21 60 mV VCC 6 to 12 V, IL 100 mA 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: When the MUTE pin is high, the outputs will be on, and when low, the outputs will be off (high-impedance state). 4: Design guarantee value Allowable power dissipation, Pd max -- W Package Dimensions unit: mm 3234B Pd max -- Ta 2.5 Specified PCB: 76.1 × 114.3 × 1.6 mm PCB material: glass epoxy 2.0 Mounted on the specified PCB 1.5 1.0 0.82 1.04 Independent IC 0.5 0 --20 0.43 0 20 40 60 Ambient temperature, Ta -- C 80 100 ILA06713 SANYO : HSOP28HC (375mil) No.7818-2/7 LA6574H Pin Functions Pin No. Symbol 1 VCC2 Channels 3, 4, and 5 power supply (This pin must be shorted to VCC1 and VCC–S.) Pin descriptions 2 VO5 Loading output () 3 VO5 Loading output () 4 VO4 Channel 4 output () 5 VO4 Channel 4 output () 6 VO3 Channel 3 output () 7 VO3 Channel 3 output () 8 VO2 Channel 2 output () 9 VO2 Channel 2 output () 10 VO1 Channel 1 output () 11 VO1 Channel 1 output () 12 VCC1 Channels 1 and 2 (BTL) power supply (This pin must be shorted to VCC-S and VCC2.) 13 VIN1 Channel 1 input 14 VIN1G 15 VIN2 16 VIN2G 17 VIN3 Channel 1 input (gain adjustment input) Channel 2 input Channel 2 input (gain adjustment input) Channel 3 input 18 VIN3G 19 REG-IN Channel 3 input (gain adjustment input) 20 REG-OUT Regulator output (external pnp transistor collector) 21 VREF-IN Reference voltage input 22 VCC-S 23 VIN4G 24 VIN4 25 VCONT Channel 5 (VLO) output voltage control 26 S-GND Signal system ground 27 FWD Channel 5 (VLO) output switching (FWD); loading block logic input 28 REV Channel 5 (VLO) output switching (REV); loading block logic input Regulator input (external pnp transistor base) Signal system power supply (This pin must be shorted to VCC1 and VCC2.) Channel 4 input (gain adjustment input) Channel 4 input Note: x The center frame (FR) is used as the power system ground. Along with the signal system ground (S-GND), this level must be the lowest potential in the system. x The three power supply pins VCC–S, VCC1, and VCC2 must be shorted together externally. No.7818-3/7 LA6574H Pin Functions Pin No. 13 Symbol VIN Pin name Inputs Pin description Inputs 14 15 16 Equivalent circuit VIN VING VCC-S 17 18 23 24 Vref 4 VO Outputs Outputs VCC1 5 6 7 8 9 OUT 10 11 2 VO5 3 VO5 25 VCONT VO5 H bridge outputs VO5+ 27 FWD FWD 28 REV REV VO5 VCONT H bridge inputs VCC2 FWD No.7818-4/7 LA6574H Block Diagram VO5- 2 Thermal shutdown CH5 Power VO5+ 3 VO4+ 4 Level shift CH5 CH4 VO4- 5 28 REV 27 FWD 26 S-GND 25 VCONT 24 VIN4 23 VIN4G 22 VCC-S FR FR 21 VREF-IN 20 REG-OUT 19 REG-IN 18 VIN3G 17 VIN3 16 VIN2G 15 VIN2 Input 1 Output control VCC2 11 k: 22 k: VO3+ 6 VO3- 7 Level shift + CH3 VO2+ + FR 8 Level shift FR 9 VO1+ 10 Level shift CH2 VO2- CH1 VO1- 11 VCC1 12 VIN1 13 VIN1G 14 Signal system power CH1.2.3.4 Power 11 k: + 3.3 VREG (External PNPTr) + 22 k: + 11 k: 22 k: + 22 k: + 11 k: No.7818-5/7 LA6574H Sample Application Circuit LOADING MOTOR 1 VCC2 REV 28 REV 2 VO5 FWD 27 FWD 3 VO5+ S-GND 26 4 VO4+ VCONT 25 5 VO4 VIN4 24 6 VO3+ VIN4G 23 7 VO3 VCC-S 22 M VCONT TRACKING COIL FOCUS COIL F R SPINDLE MOTOR SLED MOTOR F R 8 VO2+ VREF-IN 21 9 VO2 REG-OUT 20 10 VO1+ REG-IN 19 11 VO1 VIN3G 18 12 VCC1 VIN3 17 M M VCC TRACKING VREF-IN 13 VIN1 14 VIN1G VIN2G 16 VIN2 15 FOCUS SPINDLE SLED No.7818-6/7 LA6574H H Bridge Block FWD REV L L VO5 OFF VO5 OFF Mode Open 1 L H H L Forward H L L H Reverse H H L L Brake 2 Note 1: The output are in the high-impedance state in this mode 2: In brake mode, the sink side transistors are on (short-circuit braking). The VLO and VLO levels go to a level essentially the same as the ground level. 3: VCONT (output voltage setting pin) and VLO have the following relationship: VLO VCONT 1 V (typical) Relationship between the MUTE pin and the power supplies (VCC) CH1 CH2 MUTE VCC1 CH3 CH4 H Bridge VCC2 Specifications of any and all SANYO 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. SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or 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 products (including technical data, services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining 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, of otherwise, without the prior written permission of SANYO Electric 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 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. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or This catalog provides information as of August, 2004. Specifications and information herein are subject to change without notice. No.7818-7/7