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PDF LA6502 Data sheet ( Hoja de datos )
| Número de pieza | LA6502 | |
| Descripción | Monolithic Linear IC 5ch driver | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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www.DataSheet4U.com
Ordering number : EN7816B
LA6502
Monolithic Linear IC
5ch driver for CD and DVD Spindle driver :
3-phase linear sensor-less drive BTL 4ch
Overview
This LA6502 is a 5ch driver for CD and DVD Spindle driver : 3-phase linear sensor-less drive BTL 4ch.
Features
• Spindle driver block
1) 3-phase sensor-less motor driver
2) Soft switching drive
3) Analog input V type control
4) Current limiter incorporated
5) Counter electromotive FG output
6) Reverse prevention circuit incorporated
• Threading, focusing, tracking, and loading blocks
1) BTL-AMP type
• Common block
1) Thermal shutdown circuit incorporated (design guarantee)
2) MUTE function incorporated (pin 3)
3) OP-AMP (1ch) incorporated (open collector output)
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Motor Supply Voltage 1
Motor Supply Voltage 2
Allowable power dissipation
VCC1
VCC2
Pd max1
SPINDLE, SLED, LOADING power supply
FOCUS, TRACKING power supply
Independent IC
Pd max2
Mounted on a specified board. *
* Mounted on a board : 114.3×76.1×1.6mm3, glass epoxy board.
Ratings
14.5
14.5
0.8
1.7
Unit
V
V
W
W
Continued on next page.
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.
60607 MS PC B8-7414 No.7816-1/11
1 page  
www.DataSheet4U.com
LA6502
Block Diagram (In certain applications, snubber may be added to the spindle motor coil output.)
AMP1IN-
AMP1IN+
AMP1OUT
OUT1F
VCC
OUT1R
AMP2IN-
AMP2IN+
AMP2OUT
OUT2F
OUT2R
AMP4IN+
OUT4F
AMP4IN-
OUT4R
SPFGO
0.015μF
SPC1
SPC2
0.015μF
--
+
--
+
1 / 2(VCC2 -- VF)
--
+
--
+
--
+ 1 / 2(VCC1 -- VF)
--
+
Rotor position
detection circuit
Mask circuit
Startup control Timing
circuit
control circuit
Soft switching
drive circuit
0.47μF
SPVCOIN
PLL
SPCX
0.01μF
SPCTL
VREF
200Ω
+
--
200Ω
0.1μF
VCO
560kΩ
FR
1/8
--
+
FC
VREF
--
+
AMP3IN-
AMP3IN +
AMP3OUT
OUT3F
--
+
OUT3R
AMPIN-
AMPIN+
AMPOUT
VCC1
SPRF
MCOM
TSD
MUTE
UOUT
VOUT
WOUT
MGND
MUTE1
MUTE2
MUTE3
SGND
No.7816-5/11
5 Page 
www.DataSheet4U.com
LA6502
Continued from preceding page.
Pin No. Pin name
Function
23 FR
Spindle block V-type control switching pin.
Pin voltage
0V to VCC1
FR : H ⇒ VREF < SPCTL drive
FR : L ⇒ VREF < SPCTL drive
”H” is for 2.8V or more.
”L” is for 0.5V or less.
Equivalent circuit
VCC1
40kΩ
23
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.
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to change without notice.
PS No.7816-11/11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet LA6502.PDF ] | |
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