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BD6669FV Datasheet

  • BD6669FV

  • 3Phase spindle motor driver for CD-ROM

  • 17頁

  • ROHM

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BD6669FV
Motor driver ICs
3Phase spindle motor driver for CD-ROM
BD6669FV
BD6669FV is a 3-phase spindle motor driver adopting 180擄 PWM direct driving system. Noise occurred from the motor
driver when the disc is driven can be reduced. Low power consumption and low heat operation are achieved by using
DMOS FET and driving directly.
Applications
CD-ROM
Features
1) Direct-PWM-Linear driving system.
2) Built in power save circuit.
3) Built in current limit circuit.
4) Built in FG-output.
5) Built in hall bias circuit.
6) Built in reverse protection circuit.
7) Built in short brake circuit.
8) Low consumption by MOS-FET.
9) Built in capacitor for oscillator.
10) Built in rotation detect.
Absolute maximum ratings
(Ta=25擄C)
Parameter
Power supply voltage
Supply voltage for motor
VG pin voltage
Output current
Power dissipation
Junction temperature
Operating temperature range
Storage temperature range
Symbol
V
CC
V
M
V
G
I
OMAX
Pd
Tj
MAX
Topr
Tstg
Limits
7
7
20
1000
鈭?
1020
150
鈭?0
to
+75
鈭?5
to
+150
鈭?
Unit
V
V
V
mA
mW
擄C
擄C
擄C
鈭?
However, do not exceed Pd, ASO and Tj=150擄C.
鈭?
70mm脳70mm脳1.6mm glass epoxy board.
Reduce power by 8.16mW for each degree above 25擄C.
Recommended operating conditions
Parameter
Power supply voltage
Supply voltage for motor
VG pin voltage
Symbol
V
CC
V
M
V
G
Min.
4.5
3
7.5
Typ.
鈭?/div>
鈭?/div>
鈭?/div>
Max.
5.5
6.5
14
Unit
V
V
V
This product described in this specification isn't judged whether it applies to cocom regulations.
Please confirm in case of export.
This product is not designed for protection against radioactive rays.
Rev.A
1/16

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