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PDF HA13561F Data sheet ( Hoja de datos )
| Número de pieza | HA13561F | |
| Descripción | Combo (Spindle & VCM) Driver | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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HA13561F
Combo (Spindle & VCM) Driver
ADE-207-182 (Z)
1st Edition
July 1996
Description
This COMBO Driver for HDD application consists of Sensorless Spindle Driver and BTL type VCM Driver.
Bipolar Process is applied and a “Soft Switching Circuit” for less commutation noise and a “Booster Circuit’
for smaller Saturation Voltage of Output Transistor are also implemented.
Features
• Soft Switching Driver
Small Surface Mount Package: FP-80E (QFP80 Pin)
Low thermal resistance: 35°C/W with 6 layer multi glass-epoxy board
• Low output saturation voltage
Spindle 0.8 V Typ (@1.0 A)
VCM 0.8 V Typ (@0.8 A)
Functions
• 1.8 A Max/3-phase motor driver
• 1.2 A Max BTL VCM Driver
• Auto retract
• Soft Switching Matrix
• Start up circuit
• Booster
• Speed Discriminator
• Internal Protector (OTSD, LVI)
• POR
• Power monitor
1 page  
Block Diagram
HA13561F
VSS (+5V)
Vps(+12V)
VSS
36
C102
Vpss
25
C101
19CT
RESINH 62
C103
COMM
39
C-PUMP
22
C2 C1
CLREF
23
R1b
R1
24
R1a 44
SPNENAB
POLSEL 40
CLOCK
(5MHz Typ)
42
CNTSEL 41
READY 43
VCTL 64
OPIN(–) 65
OPIN(+) 63
Vref1 61
NC 59
NC 58
GAIN 57
VCM ENAB 56
BC1 5
C104
BC2 4
1
C105 VBST
B-EMF
AMP.
START-UP
CIRCUIT
CHARGE
PUMP
SOFT
SWITCHING
MATRIX
VBST
COMMUTATION
LOGIC
CURRENT
CONTROL
U
SPINDLE
DRIVER
V
21
U
20
V
W
16
W
RNF
17
C110
PCOMP 18
C111
(D1) SPEED DISCRI.
1/32
(CNT)
SPEED
READY
–
+ OPAMP.
Vref1
(=4.6V) OTSD
Vpsv 77
RETPOW
78
C109
RETON
RETRACT
79
D2
Qret
VBST
DRIVER
P
+ VCM
DRIVER
–N
VCMP
2
D1
R108
3
VCMN
CX
RX
80RS
RS
RL
–
+
60
COMP
OUT
VBST Vss
Vps
BOOSTER
POWER
MONITOR
POR
Delay
Vss LVI1 37 76 LVI2
(+5V) R101
R103
R102 R104
38
Vps DELAY
(+12V) C106
COMPARATOR
R105 Vss(+5V)
GND
6 to 15,26 to 35
46 to 55,66 to 75
45
POR
(L:RESET)
5
5 Page 
6. Acceleration and Running the spindle motor
UBEMF
VBEMF
WBEMF
+
0
–
+
0
–
+
0
–
(1) Acceleration(switching mode)
SOURCE
Iu 0
SINK
SOURCE
Iv 0
SINK
SOURCE
Iw 0
SINK
(2) Running (soft switching mode)
SOURCE
Iu 0
SINK
SOURCE
Iv 0
SINK
SOURCE
Iw 0
SINK
HA13561F
11
11 Page | ||
| Páginas | Total 26 Páginas | |
| PDF Descargar | [ Datasheet HA13561F.PDF ] | |
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