Ordering number : ENA0332 Monolithic Linear IC For CD Player LA6245P 4ch Bridge (BTL) Motor Driver Overview The LA6245P is a 4channel motor driver IC for home and car CD players. It provides a pin for switching the channel 1 input. Functions and Features • Four bridge-connected (BTL) power amplifier circuits. • IO max: 1A. • Built-in level shifter circuits. • Muting circuit (on/off control for all outputs). • Independent operational amplifier. • Variable regulator (uses an external pnp transistor for output). • Regulator includes an on/off switching function. • Thermal shutdown operation monitor pin. Specifications Maximum Ratings at Ta = 25°C Parameter Supply voltage Symbol Conditions VCC_S VCCP VCCP1, VCCP2 VCCREG Allowable power dissipation Pd max VINB Maximum output current IO max MUTE pin voltage VMUTE Channel 1 to 4 output Unit ∗1 14 ∗1 14 V ∗1 14 V 0.8 W ∗2 2.0 W 13 V 1.0 A Independent IC Mounted on the specified PCB Maximum input voltage Ratings V 13 V Operating temperature Topr −40 to +85 °C Storage temperature Tstg −55 to +150 °C Note ∗1: All of the power supply pins, VCC_S, VCCP1, VCCP2, and VCCREG must be connected to the power supply system externally to the IC. Note ∗2: Mounted on the specified PCB 114.3×76.1×1.6mm3, glass epoxy board. Any and all SANYO Semiconductor 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 Semiconductor representative nearest you before using any SANYO Semiconductor products described or contained herein in such applications. SANYO Semiconductor 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 products described or contained herein. 92706 / 31006 MS OT 20051226-S00012 No.A0332-1/10 LA6245P Recommended Operating Conditions at Ta = 25°C Parameter Supply voltage Symbol Conditions Ratings VCC Unit 5 to 13 V Electrical Characteristics at Ta = 25°C, VCC_S = VCCP1 = VCCP2 = VCCREG = 8V, VREF = 2.5V, MUTE = 5V Ratings Parameter Symbol Conditions min typ max Unit [Overall] Quiescent current 1 ICC-ON All channel outputs on, MUTE pin: high 30 45 mA Quiescent current 2 ICC-OFF All channel outputs off, MUTE pin: low 5 10 mA Muting function on voltage MUTE-ON Muting function off voltage MUTE-OFF Switch on voltage 2.5 SW-ON Switch off voltage SW-OFF REGSW on voltage REG-ON REGSW off voltage REG-OFF V 0.5 2.5 V V 0.5 V 0.5 V 50 mV 2.5 V [BTL Amplifier] (Channel 1 to 4) (Output Amplifier Block) Input amplifier offset voltage VOFF1 Output voltage VO1 I/O gain VG1 Slew rate SR1 RL = 8Ω With the amplifier operating independently, ∗2 −50 ∗1 5.7 ∗2 5.4 ∗3 6.2 6 V 6.6 2.0 Multiplier V/µs between outputs [Front End Operational Amplifier] OP-AMP_SINK 1 OP-AMP_SOURCE 1 Input bias current Input voltage range OP_SINK OP_SOURCE Input operational amplifier sink current Input operational amplifier source current 2 300 mA µA 500 IBOP 300 VIN 0.5 High-level output voltage VOHOP 7.5 Low-level output voltage VOLOP 5 7.8 0.2 µA V V 0.5 V 1.3 4 V −6 6 [VREF-IN Amplifier] Input voltage range VREF_VIN [Independent Operational Amplifier] Output offset voltage OP_VOFF OP-AMP_SINK OP_SINK OP-AMP_SOURCE Input bias current OP_SOURCE Input operational amplifier sink current Input operational amplifier source current 2 300 OP_VIN 0 High-level output voltage VOHOP 7.5 Low-level output voltage VOLOP µA 500 IBOP Input voltage range mV mA 300 µA VCC −1.5 V 7.8 V 0.2 0.5 V 1.25 1.3 V 10 50 mV 10 50 mV [Power Supply Block] (uses an external pnp transistor: 2SB632K) Power supply output VOUT REG-IN sink current REG-IN-SINK Line regulation ∆VOLN IO = 200mA 1.2 The base current of the external PNP transistor 5.0 6V ≤ VCCREG ≤ 12V, IO = 200mA Load regulation ∆VOLD 5mA ≤ IO ≤ 200mA Note ∗1: The channel 1 input operational amplifier has a 0dB gain, i.e. it is a buffer amplifier. ∗2: With the output in the saturated state. ∗3: Design guarantee value 10 mA No.A0332-2/10 LA6245P Package Dimensions unit : mm 3251 17.8 (6.2) 19 0.65 (4.9) 7.9 10.5 36 0.8 2.0 0.3 18 0.25 0.1 2.7 2.45max 1 (2.25) (0.5) SANYO : HSOP36R(375mil) Pin Assignment No.A0332-3/10 LA6245P Pin Functions Pin No. Symbol 1 VIN3− Front end amplifier, channel 3 Input (−) Pin description 2 VIN3 Front end amplifier, channel 3 Output 3 VREF-IN 4 MUTE 5 TSD This pin outputs a low level when the thermal shutdown circuit operates. 6 SW Switches between the loading and sled inputs. 7 GNDREG 8 REGSW Reference voltage input Muting control Regulator system ground Regulator on/off control 9 GNDS 10 REG-IN Signal system ground 11 REG-OUT Base connection of external PNP transistor 12 VCCREG Regulator power supply 13 OPOUT 14 OP− Independent operational amplifier (−) 15 OP+ Independent operational amplifier (+) Connection for the voltage divider output used to set the regulator voltage Independent operational amplifier output pin 16 VIN2 Front end amplifier, channel 2 Output 17 VIN2− Front end amplifier, channel 2 Input (−) 18 VCC_S Signal system power supply 19 VIN1LD 20 VIN1 Front end amplifier, channel 1 Output 21 VIN1− Front end amplifier, channel 1 Input (−) 22 VCCP1 Power stage power supply for channels 1 and 2 23 NC 24 VO1+ Channel 1 output (+) 25 VO1− Channel 1 output (−) 26 VO2+ Channel 2 output (+) 27 VO2− Channel 2 output (−) 28 VO3+ Channel 3 output (+) 29 VO3− Channel 3 output (−) 30 VO4+ Channel 4 output (+) 31 VO4− Channel 4 output (−) 32 NC 33 NC 34 VCCP2 Channels 3 and 4 : power stage power supply 35 VIN4− Front end amplifier, channel 4 Input (1) 36 VIN4 Front end amplifier, channel 4 Output Front end amplifier for the loading system input No connection No connection No connection Note: • The center frame (FR) is used as the power system ground (GNDP). Along with the signal system ground (GNDS), this level must be the lowest potential in the system. • The VCC_S (signal system power supply), VCCP1, and VCCP2 (output stage power supplies) must be shorted together externally. No.A0332-4/10 LA6245P Block Diagram No.A0332-5/10 LA6245P Pin Functions Pin No. 21 20 17 16 1 2 35 36 Symbol VIN1− VIN1 VIN2− VIN2 VIN3− VIN3 VIN4− VIN4 Pin description Equivalent circuit Channel 1 to 4 inputs VIN1− VCC_S VIN1 300Ω 300Ω GNDS 24 25 26 27 28 29 30 31 VO1+ VO1− Channel 1 to 4 outputs VCC_S VO2+ VO2− VO3+ VO3− VCCP1 5kΩ VO1 VO4+ VO4− FR 4 MUTE 6 SW MUTE pin SW pin VCC_S MUTE SW 40kΩ 30kΩ GNDS 3 VREF-IN Reference voltage VCC_S VREF-IN 300Ω 300Ω GNDS Continued on next page. No.A0332-6/10 LA6245P Continued from preceding page. Pin No. Symbol 5 TSD Pin description Equivalent circuit Thermal shutdown detection During normal operation: the transistor will be in the off state When the thermal shutdown circuit operates: TSD the transistor will be in the on state 300Ω 50kΩ GNDS 19 VIN1LD Loading system input VCC_S VIN1LD 20kΩ 10kΩ 300Ω GNDS 14 OP+ OP− 13 OPOUT 15 Independent operational amplifier Operation is not controlled by the muting function. VCC_S 300Ω OP+ OP− OPOUT 300Ω GNDS 8 REGSW Variable regulator 12 Connect the REG-OUT pin to the base of the external 10 VCCREG REG-IN 11 REG-OUT 7 GNDREG VCCREG pnp transistor. Connect the output of the external voltage divider to 10kΩ REGSW REG-OUT REG-IN. 40kΩ 100Ω 10kΩ 30kΩ GNDREG REG-IN No.A0332-7/10 LA6245P Relationship between the MUTE pin and SW MUTE SW ch1 ch2 to ch4 H H LD ON MUTE = OFF H L SLED ON MUTE = OFF L H LD ON MUTE = ON L L MUTE = ON MUTE = ON The MUTE = off state is the operating state (play), and the MUTE = on state is the stopped state. Internal reference voltage are external reference voltage External reference voltage Internal reference voltage (1.3V (TYP)) SLED = ON LD = ON 0.5V 1.5V SW 2.5V Overview of the input/output relationship R1 VIN− VREF-IN 30kΩ VIN 10kΩ Level shifter R2 − + − + − + VO1+ 30kΩ 10kΩ − + VO1− − + The resistors R1 and R2 in the VIN1LD input block are internal to the IC. REGSW Pin Operation REGSW REG H REG = ON L REG = OFF No.A0332-8/10 LA6245P Sample Application Circuit No.A0332-9/10 LA6245P Specifications of any and all SANYO Semiconductor 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 Semiconductor 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 Semiconductor 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, or otherwise, without the prior written permission 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 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 Semiconductor 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 other rights of third parties. This catalog provides information as of March, 2006. Specifications and information herein are subject to change without notice. PS No.A0332-10/10