ICs for Compact Disc/CD-ROM Player
AN8470NSA Spindle motor driver IC for optical disk ■ Overview
Unit: mm
11.0±0.3
The AN8470NSA is a high performance IC suited for driving a spindle motor of an optical disk such as CD-ROM, PD, DVD, CD-R, CD-RW, etc.
32
■ Features
■ Applications
11
di
ue
21
Hall amp. matrix
19
H3L VH
Output circuit
Distributor circuit
Amp.
17 Hall bias
3
31
2
PWMOUT
30 EC ECR
VM2
Amp.
1
18
8
32
A1 A2
A3
ea
22
Pl
23
Ma
H3H
1.5±0.2
BC4
VDD
9
OSC
int
H2L
Thermal protection
Step-up voltage circuit
ce /D isc on tin
H2H
24
an
H1L
Start/stop
en
H1H
7
(0.5)
SSOP032-P-0300
■ Block Diagram
FG
0.3 –0.05
Seating plane
• High speed CD-ROM drive PD, DVD, CD-R, CD-RW drives
Start
+0.10
0.65
(0.625)
+0.10
0.2–0.05
0.1±0.1
16
0.65±0.10
1
0.65±0.10
12 pla nc ne lud 13 BC3 se pla m d m es BC2 v ne ain ain f14oll BC1 htt isit d te t ow p:/ fo in /w llo dis disc nan ena15n VPUMP ww wi co on ce c g fo .se ng ntin tin ty e ty ur mi UR ue ued p6e VM1pe Pro co L a d t ty du n.p bo yp pe ct life an ut e d as lat cy on es cle ic. t in sta co fo ge .jp rm . /en at i o / n.
• Low power consumption due to a direct PWM system • With start and stop pin • Reverse breaking by EC/ECR voltage • With Hall bias pin • Surface-mount small package
8.1±0.3
6.1±0.3
M Di ain sc te on na tin nc ue e/ d
17
RNF2 RNF1
27 VT
FF PNFOUT
26
×5
10
GND
SRESET FC
25
Oscillator
VCL SSET
1
AN8470NSA
ICs for Compact Disc/CD-ROM Player
■ Pin Descriptions Symbol
1
A2
2
RNF2
3
A1
4
Description
Pin No.
Symbol
Description
Drive output 2
17
H3L
Hall element-3 negative input pin
Current det. pin 2
18
H3H
Hall element-3 positive input pin
Drive output 1
19
H2L
Hall element-2 negative input pin
N.C.
N.C.
20
N.C.
N.C.
5
N.C.
N.C.
21
H2H
Hall element-2 positive input pin
6
VM1
Motor supply voltage pin 1
22
H1L
Hall element-1 negative input pin
7
Start
Start/stop changeover pin
23
H1H
Hall element-1 positive input pin
8
VH
Hall bias pin
24
FG
9
VDD
Supply voltage pin
10
GND
Ground pin
11
BC4
12
M Di ain sc te on na tin nc ue e/ d
Pin No.
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FG signal output pin
25
FC
26
ECR
Booster capacitor connection pin 4
27
EC
BC3
Booster capacitor connection pin 3
28
N.C.
N.C.
13
BC2
Booster capacitor connection pin 2
29
N.C.
N.C.
14
BC1
Booster capacitor connection pin 1
30
RNF1
Current det. pin 1
15
VPUMP
Booster pin
31
A3
16
N.C.
32
VM2
N.C.
■ Absolute Maximum Ratings Parameter
Supply voltage
*2
Oscillator pin
Torque command reference input pin
Torque command input pin
Drive output 3
Motor supply voltage pin 2
Symbol
Rating
Unit
VDD
6.0
V
V(m)
15.0
V
V(n)
0 to VDD
V
IDD
30.0
mA
I(o)
±1 200
mA
IHB
30.0
mA
PD
293
mW
Topr
−20 to +70
°C
Tstg
−55 to +150
°C
VM1
Drive output voltage
ce /D isc on tin
ue
VM2
*5
Control signal input voltage Supply current
int
Hall bias current
en
an
Drive output current
*4
*6
Ma
Power dissipation
*3
Operating ambient temperature Storage temperature
*1
*1
Note) Do not apply external currents or voltages to any pins not specifically mentioned. For circuit currents, '+' denotes current flowing into the IC, and '−' denotes current flowing out of the IC. *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C. *2: The voltage in the step-up voltage circuit exceeds the supply voltage. For the allowable value of the step-up voltage, refer to "■ Electrical Characteristics". *3: For 70°C and IC alone. *4: o = 1, 2, 3, 6, 30, 31, 32 *5: m = 1, 3, 31 *6: n = 7, 17, 18, 19, 21, 22, 23, 26, 27
2
ICs for Compact Disc/CD-ROM Player
AN8470NSA
■ Recommended Operating Range Parameter Supply voltage
Symbol
Range
Unit
VDD
4.5 to 5.5
V
VM1 VM2
M Di ain sc te on na tin nc ue e/ d
■ Electrical Characteristics at Ta = 25°C Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Overall
IDD1
VDD = 5 V in power save mode
0
0.1
mA
Circuit current 2
IDD2
VDD = 5 V
9
14
mA
Start/stop
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Circuit current 1
Start voltage
VSTART
Voltage with which a circuit operates at VDD = 5 V and L → H
2.7
V
Stop voltage
VSTOP
Voltage with which a circuit becomes off at VDD = 5 V and H → L
0.7
V
VHB
VDD = 5 V, IHB = 20 mA
0.7
1.1
1.6
V
IBH
VDD = 5 V
1
5
µA
Hall bias
Hall bias voltage Hall amplifier
VHBR
VDD = 5 V, except for H2H, H2L
1.5
4.0
V
Minimum input level
VINH
VDD = 5 V
60
mV[p-p]
EC
VDD = 5 V
0.5
3.9
V
ECOF
VDD = 5 V
−100
0
100
mV
ECDZ
VDD = 5 V
0
75
150
mV
ECIN
VDD = 5 V, EC = ECR = 2.5 V
−5
−1
µA
ACS
VDD = 5 V, RCS = 0.33 Ω
0.36
0.48
0.60
A/V
High-level output saturation voltage
VOH
VDD = 5 V, IO = −500 mA
0.25
0.50
V
Low-level output saturation voltage
VOL
VDD = 5 V, IO = 500 mA
0.25
0.50
V
Torque limit current
ITL
VDD = 5 V, RCS = 0.33 Ω
455
570
685
mA
Charging current
ICH
VDD = 5 V
−65
−50
−35
µA
Upper threshold voltage
VCH
VDD = 5 V
1.75
2.50
3.25
V
Lower threshold voltage
VCL
VDD = 5 V
0.35
0.50
0.65
V
Torque command
ce /D isc on tin
In-phase input voltage range Offset voltage Dead zone
en Ma
Output
an
Input current
Input/output gain
ue
In-phase input voltage range
int
Input bias current
OSC
3
AN8470NSA
ICs for Compact Disc/CD-ROM Player
■ Electrical Characteristics at Ta = 25°C (continued) Parameter
Symbol
Conditions
Min
Typ
Max
Unit
FG FGH
VDD = 5 V, IFG = − 0.01 mA
3
V
FG output low-level
FGL
VDD = 5 V, IFG = 0.01 mA
0.5
V
In-phase input voltage range
VFGR
VDD = 5 V
1.5
3.0
V
FG hysteresis width
HFG
VDD = 5 V
5
10
20
mV
9.5
15
V
M Di ain sc te on na tin nc ue e/ d
FG output high-level
Step-up circuit
VDD = 5 V, VM1 = VM2 = 5 V
VPUMP
• Design reference data
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Step-up voltage
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter
Thermal protection
Symbol
Conditions
Min
Typ
Max
Unit
Thermal protection operating temperature
TSDON
VDD = 5 V
170
°C
Thermal protection hysteresis width
∆TSD
VDD = 5 V
45
°C
■ Terminal Equivalent Circuits Pin No. 1
Symbol
A2
Equivalent circuit
32
ue
A1
4
Ma
int
en
an
3
RNF2
ce /D isc on tin
2
N.C.
5
N.C.
6
VM1
7
Start
31
1
3
2
N.C. N.C.
Refer to pin 1
7 25 kΩ (typ.) 25 kΩ (typ.)
4
6
30
BC3
13
BC2
14
BC1
15
VPUMP
16
N.C.
17
H3L
18
19
20
Pin No.
9
VDD
Supply voltage pin
10
GND
Ground pin
11
BC4
14 13
H3H
N.C.
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H2L
ue
12
ce /D isc on tin
8
an
en
int
Ma
M Di ain sc te on na tin nc ue e/ d ICs for Compact Disc/CD-ROM Player AN8470NSA
■ Terminal Equivalent Circuits (continued) Symbol Equivalent circuit
VH 8
18
23
2 kΩ (typ.)
2 kΩ (typ.)
21
2 kΩ (typ.)
11 12
15
N.C.
17
22
2 kΩ (typ.)
19
N.C.
5
AN8470NSA
ICs for Compact Disc/CD-ROM Player
■ Terminal Equivalent Circuits (continued) Pin No.
Symbol
Equivalent circuit
21
H2H
Refer to pin 19
22
H1L
Refer to pin 17
23
H1H
Refer to pin 17
24
FG
VDD
M Di ain sc te on na tin nc ue e/ d
50 kΩ (typ.)
25
FC
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24
VDD
1 kΩ (typ.)
26
ECR
25
1 kΩ (typ.)
EC
N.C.
29
N.C.
6
Ma
30
int
28
en
an
27
ce /D isc on tin
ue
VDD
RNF1
31
A3
32
VM2
27
26
1 kΩ (typ.)
N.C. N.C.
Refer to pin 1
Refer to pin 1
Refer to pin 1
1 kΩ (typ.)
ICs for Compact Disc/CD-ROM Player
AN8470NSA
■ Usage Notes • Prevent this IC from being line-to-ground fault.
M Di ain sc te on na tin nc ue e/ d
(To be concrete, do not short-circuit any of A1 (pin 3), A2 (pin 1) and A3 (pin 31) with GND pin (pin 10).) • Be careful of the following three pins because their static breakdown voltages are low. (C = 200 pF, R = 0 Ω) Pin 11: breakdown at 80 V Pin 14: breakdown at 90 V Pin 24: breakdown at 190 V
■ Application Note
• Phase conditions between Hall input and output current
H3
H2
H1
H2
H3
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H1
ECR
0
EC
Emit
Output current
A1
ce /D isc on tin
Emit
Output current
A2
en int A3
Sink A
0
0
Ma
Output current
an
Sink
Emit
0
ue
Sink
0
B
C
D
E
F
Phase of Hall pin H1H H2H H3H A B C D E F
H
ML
ML
MH ML
L ML
MH H
L
MH
MH
ML MH
H MH
ML L 7
AN8470NSA
ICs for Compact Disc/CD-ROM Player
■ Application Circuit Example
Start/stop
0.1 µF
5V
6 VM1
15 VPUMP
14 BC1
13 BC2
11 BC4
9 VDD 7
0.1 µF
Thermal protection
Step-up voltage circuit
M Di ain sc te on na tin nc ue e/ d
Start
12 BC3
0.1 µF
VDD = 5 V
FG 24
OSC
32 VM2
H1L 22
pla nc ea ne lud se pla m d m es v ne ain ain foll htt isit d te t o p:/ fo /w llo dis disc nan enan wing ww wi co on ce c fo .se ng ntin tin ty e ty ur mi UR ue ued pe pe Pro co L a d t ty du n.p bo yp pe ct life an ut e d as lat cy on es cle ic. t in sta co fo ge .jp rm . /en at i o / n.
H1H 23
Amp.
H2H 21
Output circuit
Distributor circuit
Hall amp. matrix
H2L 19
H3H 18
Amp.
H3L 17 VH 8
Hall bias
3 A1 1 A2
31 A3
PWMOUT
2 RNF2
30 RNF1
27
Spindle speed EC control signal 26 ECR
VT
FF
PNFOUT
SRESET
FC 25
Oscillator
VCL
SSET
Pl
Ma
int
en
an
ce /D isc on tin
ue
di
560 pF
8
×5
10 GND
RCS = 0.33 Ω
Request for your special attention and precautions in using the technical information and semiconductors described in this book (1) If any of the products or technical information described in this book is to be exported or provided to non-residents, the laws and regulations of the exporting country, especially, those with regard to security export control, must be observed. (2) The technical information described in this book is intended only to show the main characteristics and application circuit examples of the products, and no license is granted under any intellectual property right or other right owned by our company or any other company. Therefore, no responsibility is assumed by our company as to the infringement upon any such right owned by any other company which may arise as a result of the use of technical information described in this book.
M Di ain sc te on na tin nc ue e/ d
(3) The products described in this book are intended to be used for standard applications or general electronic equipment (such as office equipment, communications equipment, measuring instruments and household appliances). Consult our sales staff in advance for information on the following applications: – Special applications (such as for airplanes, aerospace, automobiles, traffic control equipment, combustion equipment, life support systems and safety devices) in which exceptional quality and reliability are required, or if the failure or malfunction of the products may directly jeopardize life or harm the human body. – Any applications other than the standard applications intended.
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(4) The products and product specifications described in this book are subject to change without notice for modification and/or improvement. At the final stage of your design, purchasing, or use of the products, therefore, ask for the most up-to-date Product Standards in advance to make sure that the latest specifications satisfy your requirements. (5) When designing your equipment, comply with the range of absolute maximum rating and the guaranteed operating conditions (operating power supply voltage and operating environment etc.). Especially, please be careful not to exceed the range of absolute maximum rating on the transient state, such as power-on, power-off and mode-switching. Otherwise, we will not be liable for any defect which may arise later in your equipment. Even when the products are used within the guaranteed values, take into the consideration of incidence of break down and failure mode, possible to occur to semiconductor products. Measures on the systems such as redundant design, arresting the spread of fire or preventing glitch are recommended in order to prevent physical injury, fire, social damages, for example, by using the products. (6) Comply with the instructions for use in order to prevent breakdown and characteristics change due to external factors (ESD, EOS, thermal stress and mechanical stress) at the time of handling, mounting or at customer's process. When using products for which damp-proof packing is required, satisfy the conditions, such as shelf life and the elapsed time since first opening the packages.
Pl ea
Ma
int
en
an
ce /D
isc
on tin
ue
(7) This book may be not reprinted or reproduced whether wholly or partially, without the prior written permission of Matsushita Electric Industrial Co., Ltd.