AN8488 PANASONIC [Panasonic Semiconductor], AN8488 Datasheet

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AN8488

Manufacturer Part Number
AN8488
Description
3-phase full-wave motor driver and DC motor BTL driver IC
Manufacturer
PANASONIC [Panasonic Semiconductor]
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AN8488SB
Manufacturer:
PANASONIC/松下
Quantity:
20 000
ICs for Compact Disc/ CD-ROM Player
AN8488SB
3-phase full-wave motor driver and DC motor BTL driver IC
ing a 3-phase full-wave motor driver and DC motor
BTL driver IC with a reverse rotation brake/short
brake changeover function. It is encapsulated into a
high allowable power dissipation package (with cop-
per block).
ECR
H1
H1
H2
H2
H3
H3
VH
3-phase full-wave and snubberless
FG output
Current limit
Reverse rotation prevention
Thermal protection circuit built-in
Various types of optical disk drive
EC
Overview
Features
Applications
Block Diagram
The AN8488SB is a motor driver IC incorporat-
16
17
18
19
20
21
23
27
26
matrix
amp.
Hall
Hall
bias
Detection
EA
Start/stop
Direction
detection
ER
EP ER EA
Absolute
Logic
value
changeover
Direction
VTL
distribution
distribution
Upper side
Lower side
protection
Thermal
circuit
(1.20)
Amp.
Amp.
42
1
0.80
Lower
circuit
34
Upper
power
power
Brake
side
side
18.4±0.2
9
(10.00)
(1.95)
HSOP042-P-0400C
13
(3.20)
30
comparator
FG
Seating plane
0.35
22
21
1
2
+0.10
– 0.05
VM2
(1.315)
Unit: mm
V
Reset
0.5±0.2
V
det.
det
REF
0 to 10
CC2
.
1

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AN8488 Summary of contents

Page 1

... ICs for Compact Disc/ CD-ROM Player AN8488SB 3-phase full-wave motor driver and DC motor BTL driver IC Overview The AN8488SB is a motor driver IC incorporat- ing a 3-phase full-wave motor driver and DC motor BTL driver IC with a reverse rotation brake/short brake changeover function encapsulated into a high allowable power dissipation package (with cop- per block) ...

Page 2

... AN8488SB Pin Descriptions Pin No. Symbol Description 1 PG1 SPD block power GND pin 2 PG2 Driver block power GND pin 3 N.C. N. Driver block inverted output pin 5 PC Driver block power cut pin 6 N.C. N. Driver block forward output pin 8 N.C. N.C. 9 VM2 Driver block motor power supply pin ...

Page 3

... CC1 ECR IN CC1 0.6 CS CC1 300 mA OH CC1 300 mA OL CC1 0 AN8488SB Unit V Min Typ Max 0 0.1 60 200 2.7 0.7 L becomes 1.425 1.65 1.89 0.7 1.2 1 1.5 4.0 60 0.5 3.9 100 0 100 25 75 125 1. 0.25 0.75 1.0 1 ...

Page 4

... AN8488SB Electrical Characteristics at T Parameter <Spindle block> (continued output high-level FG output low-level In-phase input voltage range FG hysteresis width Brake cirrcuit Short brake model level Reverse rotation brake mode level Short brake start level Short brake current <Driver block> Driver R 16 ...

Page 5

... Otherwise the IC will be damaged and is likely to get fired cautious on a dip soldering. Prior study is required 500 7 5.5 k Power amp. Output pin V V REF REF PC L (Open) Mute (Open) Off Off On Off BRK L (Open) Acceleration Short brake AN8488SB 4 M Load 7 5 ...

Page 6

... AN8488SB Application Notes P T curves of HSOP042-P-0400 D a Phase conditions between Hall input and output current Phase of Hall pin Emit Output current Sink 6 ICs for Compact Disc/ CD-ROM Player ...

Page 7

... V ') · · · (12 Output current O : Chip temperature j : Ambient temperature a : Thermal resistance between a chip and a package j-c : Thermal resistance between a package and a surface of a heat sink or free air c j-c c-a AN8488SB · · · ( (3) (6) R: Wire wound resistor 7 ...

Page 8

... AN8488SB Application Circuit Example Hall amp matrix Detection 23 VH Hall bias EA EC Servo 27 torque command 26 ECR Start/stop S/S: High: SPD block on and driver block on Med: SPD block off and driver block on Low: SPD block off and driver block off ...

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