SANYO LA6574H

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