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Mitsubishi
Mitsubishi

M56733AFP Datasheet Preview

M56733AFP Datasheet

3-PHASE BRUSHLESS MOTOR CONTROL

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M56733AFP pdf
MITSUBISHI <CONTROL / DRIVER IC>
M56733AFP
3-PHASE BRUSHLESS MOTOR CONTROL
DESCRIPTION
The M56733AFP is a semiconductor integrated circuit designed as
a single chip controller for the FDD spindle motor. The IC is
equipped with a power amplifier, hole amplifier, FG amplifier,
oscillator, speed discriminator, and various types of protection
circuits.
Equipped with MOD pin that enables 3-speed switching with a
single pin, the M56733AFP is very convenient to make system
compact.
FEATURES
qProvided with digital servo enabling high precision, high stability
and non-adjustment.
q3-speed switching function with a pin .................................. MOD
q Enable two systems .......................................................... EN•EN
qIO (peak)=1.0A
qLow capacitance of dumping capacitor
APPLICATION
FDD spindle motor (5")
RECOMMENDED OPERATING CONDITIONS
Supply voltage ................................................. 10.8 – 12.0 – 13.2 V
Oscillation frequency .......................................................... 492 kHz
Maximum output current ..................................................... 800 mA
FG amplifier input signal level .............................. 5 mVp-p or more
PIN CONFIGURATION (TOP VIEW)
VCC 1
HB
FGIN–
FGIN+
FGMoni
2
3
4
5
EN 6
7
8
GND
9
10
11
12
EN 13
OSCIN 14
OSCOUT 15
MOD 16
FLT 17
DSCOUT 18
36 U
35 V
34 W
33 HU+
32 HU–
31 RF
30
29
28
GND
27
26
25
24 HV+
23 HV–
22 HW+
21 HW–
20 ERROUT
19 ERRIN–
Outline 36P2R-D
BLOCK DIAGRAM
U VW
36 35 34
RF 31
VCC 1
LOGIC
FLT
17
VREF
OVSD
CTL
TSD
ERROUT
20
ERR
VREF
ERRIN(–)
19
DSCOUT
18
7
12
25
DISCRIMINATOR
GND
30
1/N
16 MOD
EN OSC
CONTROL
FG
33 32 24 23 22 21
HU+ HUHV+ HVHW+ HW
2
Hall
Bias
6 13
EN EN
34
FG– FG+
5
FG
(Monitor)
14 15
OSCIN OSCOUT



Mitsubishi
Mitsubishi

M56733AFP Datasheet Preview

M56733AFP Datasheet

3-PHASE BRUSHLESS MOTOR CONTROL

No Preview Available !

M56733AFP pdf
MITSUBISHI <CONTROL / DRIVER IC>
M56733AFP
3-PHASE BRUSHLESS MOTOR CONTROL
ABSOLUTE MAXIMUM RATINGS (Ta=25˚C)
Symbol
Parameter
VCC Supply voltage
Io Output current
VHD Hole amplifier, differential input voltage
VIN Apply voltage at pin
fIN Clock frequency
Pt Power dissipation
Kθ Thermal derating
Tj Temperature at junction
Topr Operating temperature
Tstg Storage temperature
Conditions
Between 21 and 22, between 23 and 24,
between 32 and 33 (pin number)
6,13,21 – 24,32,33 (pin number)
Use of infinite heat sink
Use of infinite heat sink
Ratings
15
1.0
5
0 – VCC
1000
4.5
27.8
150
-20 – 75
-40 – 125
Unit
V
A
V
V
kHz
W
°C/W
°C
°C
°C
TYPICAL CHARACTERISTICS
Thermal derating (Maximum rating)
5.0
4.5 With infinite heat
sink used
4.0
Free air
3.0
2.0
1.0
0
0 25 50 75 100 125 150
Ambient temperature Ta (°C)


Part Number M56733AFP
Description 3-PHASE BRUSHLESS MOTOR CONTROL
Maker Mitsubishi
Total Page 4 Pages
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