92706 / 31006 ms ot 20051226-s00012 no.a0332-1/10 LA6245P 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. ? i o 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 symbol conditions ratings unit supply voltage v cc _s ? 1 14 v v cc p v cc p1, v cc p2 ? 1 14 v v cc reg ? 1 14 v allowable power dissipation pd max independent ic 0.8 w mounted on the specified pcb ? 22.0 w maximum input voltage v in b 13 v maximum output current i o max channel 1 to 4 output 1.0 a mute pin voltage v mute 13 v operating temperature topr ? 40 to +85 c storage temperature tstg ? 55 to +150 c note ? 1: all of the power supply pins, v cc _s, v cc p1, v cc p2, and v cc reg must be connected to the power supply system exter nally to the ic. note ? 2: mounted on the specified pcb 114.3 76.1 1.6mm 3 , glass epoxy board. ordering number : ena0332 monolithic linear ic for cd player 4ch bridge (btl) motor driver 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.
LA6245P no.a0332-2/10 recommended operating conditions at ta = 25c parameter symbol conditions ratings unit supply voltage v cc 5 to 13 v electrical characteristics at ta = 25c, v cc _s = v cc p1 = v cc p2 = v cc reg = 8v, v ref = 2.5v, mute = 5v ratings parameter symbol conditions min typ max unit [overall] quiescent current 1 i cc -on all channel outputs on, mute pin: high 30 45 ma quiescent current 2 i cc -off all channel outputs off, mute pin: low 5 10 ma muting function on voltage mute-on 2.5 v muting function off voltage mute-off 0.5 v switch on voltage sw-on 2.5 v switch off voltage sw-off 0.5 v regsw on voltage reg-on 2.5 v regsw off voltage reg-off 0.5 v [btl amplifier] (channel 1 to 4) (output amplifier block) input amplifier offset voltage v off 1 ? 2 ? 50 50 mv output voltage v o 1 r l = 8 ? ? 1 5.7 6.2 v i/o gain v g 1 ? 2 5.4 6 6.6 multiplier slew rate sr1 with the amplifier operating independently, between outputs ? 3 2.0 v/ s [front end operational amplifier] op-amp_sink 1 op_sink input operational amplifier sink current 2 ma op-amp_source 1 op_source input operational amplifier source current 300 500 a input bias current i b op 300 a input voltage range v in 0.5 5 v high-level output voltage v oh op 7.5 7.8 v low-level output voltage v ol op 0.2 0.5 v [vref-in amplifier] input voltage range v ref _v in 1.3 4 v [independent operational amplifier] output offset voltage op_voff ? 6 6 mv op-amp_sink op_sink input operational amplifier sink current 2 ma op-amp_source op_source input operational amplifier source current 300 500 a input bias current ibop 300 a input voltage range op_v in 0 v cc ? 1.5 v high-level output voltage v oh op 7.5 7.8 v low-level output voltage v ol op 0.2 0.5 v [power supply block] (uses an external pnp transistor: 2sb632k) power supply output v out i o = 200ma 1.2 1.25 1.3 v reg-in sink current reg-in-sink the base curre nt of the external pnp transistor 5.0 10 ma line regulation ? v o ln 6v v cc reg 12v, i o = 200ma 10 50 mv load regulation ? v o ld 5ma i o 200ma 10 50 mv 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
LA6245P no.a0332-3/10 package dimensions unit : mm 3251 pin assignment (6.2) 36 1 19 18 0.8 2.0 17.8 0.3 (4.9) 2.7 0.65 0.25 (0.5) 7.9 10.5 (2.25) 2.45max 0.1 sanyo : hsop36r(375mil)
LA6245P no.a0332-4/10 pin functions pin no. symbol pin description 1 v in 3 ? front end amplifier, channel 3 input ( ? ) 2 v in 3 front end amplifier, channel 3 output 3 vref-in reference voltage input 4 mute muting control 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 regulator system ground 8 regsw regulator on/off control 9 gnds signal system ground 10 reg-in connection for the voltage divider output used to set the regulator voltage 11 reg-out base connection of external pnp transistor 12 vccreg regulator power supply 13 opout independent operational amplifier output pin 14 op ? independent operational amplifier ( ? ) 15 op + independent operational amplifier ( + ) 16 v in 2 front end amplifier, channel 2 output 17 v in 2 ? front end amplifier, channel 2 input ( ? ) 18 v cc _s signal system power supply 19 v in 1ld front end amplifier for the loading system input 20 v in 1 front end amplifier, channel 1 output 21 v in 1 ? front end amplifier, channel 1 input ( ? ) 22 v cc p1 power stage power supply for channels 1 and 2 23 nc no connection 24 v o 1 + channel 1 output ( + ) 25 v o 1 ? channel 1 output ( ? ) 26 v o 2 + channel 2 output ( + ) 27 v o 2 ? channel 2 output ( ? ) 28 v o 3 + channel 3 output ( + ) 29 v o 3 ? channel 3 output ( ? ) 30 v o 4 + channel 4 output ( + ) 31 v o 4 ? channel 4 output ( ? ) 32 nc no connection 33 nc no connection 34 v cc p2 channels 3 and 4 : power stage power supply 35 v in 4 ? front end amplifier, channel 4 input (1) 36 v in 4 front end amplifier, channel 4 output note: ? the center frame (fr) is used as the power system ground (gndp). along with the signal system ground (gnds), this level must b e the lowest potential in the system. ? the v cc _s (signal system power supply), v cc p1, and v cc p2 (output stage power supplies) mu st be shorted together externally.
LA6245P no.a0332-5/10 block diagram
LA6245P no.a0332-6/10 pin functions pin no. symbol pin description equivalent circuit 21 20 17 16 1 2 35 36 v in 1 ? v in 1 v in 2 ? v in 2 v in 3 ? v in 3 v in 4 ? v in 4 channel 1 to 4 inputs gnds v cc _s v in 1 ? v in 1 300 ? 300 ? 24 25 26 27 28 29 30 31 v o 1 + v o 1 ? v o 2 + v o 2 ? v o 3 + v o 3 ? v o 4 + v o 4 ? channel 1 to 4 outputs v o 1 v cc _ s v cc p1 5k ? fr 4 6 mute sw mute pin sw pin mute sw gnds 30k ? v cc _s 40k ? 3 v ref -in reference voltage gnds v cc _s v ref -in 300 ? 300 ? continued on next page.
LA6245P no.a0332-7/10 continued from preceding page. pin no. symbol pin description equivalent circuit 5 tsd thermal shutdown detection during normal operation: the transistor will be in the off state when the thermal shutdown circuit operates: the transistor will be in the on state gnds 50k ? tsd 300 ? 19 v in 1ld loading system input gnds v cc _s v in 1ld 10k ? 300 ? 20k ? 15 14 13 op + op ? opout independent operational amplifier operation is not controlled by the muting function. gnds v cc _s op + opout 300 ? 300 ? op ? 8 12 10 11 7 regsw v cc reg reg-in reg-out gndreg variable regulator connect the reg-out pin to the base of the external pnp transistor. connect the output of the external voltage divider to reg-in. gndreg v cc reg 40k ? regsw 30k ? 10k ? 100 ? reg-out reg-in 10k ?
LA6245P no.a0332-8/10 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 (pla y), and the mute = on state is the stopped state. internal reference voltage are external reference voltage 0.5v 1.5v 2.5v internal reference voltage (1.3v (typ)) external reference voltage sw ld = on sled = on overview of the input/output relationship v in ? ? + ? + ? + ? + ? + vref-in v o 1 + v o 1 ? 30k ? 10k ? 10k ? 30k ? v in r2 r1 level shifter the resistors r1 and r2 in the v in 1ld input block are internal to the ic. regsw pin operation regsw reg h reg = on l reg = off
LA6245P no.a0332-9/10 sample application circuit
LA6245P ps no.a0332-10/10 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 subjec t to change without notice.
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