AN8488SB データシートの表示（PDF） - Panasonic Corporation
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AN8488SB Datasheet PDF : 9 Pages
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ICs for Compact Disc/CD-ROM Player
AN8488SB
3-phase full-wave motor driver and DC motor BTL driver IC
I 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. It is encapsulated into a
high allowable power dissipation package (with cop-
per block).
I Features
• 3-phase full-wave and snubberless
• FG output
• Current limit
• Reverse rotation prevention
• Thermal protection circuit built-in
I Applications
• Various types of optical disk drive
I Block Diagram
18.40±0.20
(10.00)
1.95±0.10
42
34
30
22
Unit: mm
(1.315)
1
9
13
21
0° to 10°
0.50±0.20
(1.20)
0.80
(3.20)
0.35+–00..1005
Seating plane
HSOP042-P-0400C
Note) The package of this product will be changed to lead-free type
(HSOP042-P-0400G). See the new package dimensions section
later of this datasheet.
H1+ 16
H1− 17
H2+ 18 Hall
amp.
H2− 19 matrix
Direction
changeover
H3+ 20
H3− 21
VH 23
Direction
detection
Detection ER
Hall
Logic
bias
EP = ER × EA
Upper side
distribution
Lower side
distribution
Amp.
Amp.
EC 27
ECR 26
EA
Absolute
value
Start/stop
VTL
Thermal
protection
circuit
Upper
side
power
Lower
side
power
1 VM2
2
FG
Brake comparator
circuit
VCC2
det.
Reset
VREF
det.
Publication date: December 2001
SDD00009BEB
1
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