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PDF HA13568AT Data sheet ( Hoja de datos )
| Número de pieza | HA13568AT | |
| Descripción | CD-ROM Combo Driver | |
| Fabricantes | Hitachi Semiconductor | |
| Logotipo |  |
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HA13568AT
CD-ROM Combo Driver
ADE-207-261A (Z)
2nd Edition
December 1998
Description
The HA13568AT is combination of Spindle, Forcus, Tracking, Slide, Tray designed for CD-ROM and
have following functions and features.
Features
• 1.5 A sensorless spindle driver
• 0.5 A BTL focus driver
• 0.5 A BTL tracking driver
• 1.5 A H bridge slide motor driver
• 0.5 A H bridge tray motor driver
• Over temperature shut down (OTSD)
• Voltage regulator control circuit
Functions
• Sensorless driver with self start
• Soft switching drive
• Snubberless
• Low output saturation voltage
• Direct PWM slide driver
1 page  
Block Diagram
HA13568AT
UFIL 30
VFIL 27
WFIL 26
PHASE 36
U VW
VSS
43
B-EMF
detection
Vspn
Tmask
Mask
time
CT2 44
Ct2
VCTL 32
REFIN 31
Start-up
circuit
C102
AGC
33
VSPN
25
Commutation
U
Drive
mode
1.5A
SPN V
output
Vref
W
Vbst
Current
control
BRKSEL 37
CE 40
Rt RT 45
CT1 41
Ct1
FCSIN 3
FCSREF 2
TRRIN 54
TRRREF 55
SLDIN 47
SLDLIM 46
VREGS 38
VREGF 39
Brake
CLK
OSC
CLK
Vreg
SLD
control
OTSD
Vbst
Bias
Vfcs
2
P
0.5A
BTL
N
Vbst
Vfcs
2
P
0.5A
BTL
N
Vbst
P
1.5AH
bridge
N
Vbst
P
0.5AH
bridge
N
TAB
42 50 48 49
CT3
Ct3 TRYLIM TRYF TRYR
34 CT
22 U
23 V
SPN
24 W
21 RNF Rnf
35 PC
19 B1
20 B2
18 VBST
6 VFCS
7 FCSP
4 FCSRS
9 FCSN
FCS
10 TRRP
5 TRRRS
11 TRRN
8 FCGND
14 VSLD
17 SLDP
16 SLDN
TRR
M SLD
12 TRYP
13 TRYN
15 SLGND
M TRY
51 , 52 , 53 : NC pin
5
5 Page 
HA13568AT
External Components
Parts No.
R101
R102
R103
R104
R105
R106
R107
R108
R109
R110 to
R113
Rnf
Rt1
Rt2
RSFCS
RSTRR
Rr1
Rr2
C101
C102
C103
C104
C105
C106
C107
C108
C109
C110
C111
C112
C113
C114
C115
Reccomended
Value
47 kΩ
47 kΩ
6.8 Ω
6.8 Ω
500 Ω
20 kΩ
27 kΩ
6.8 Ω
6.8 Ω
20 kΩ
0.25 Ω
1.8 kΩ
8.2 kΩ
1Ω
1Ω
—
—
0.1 µF
0.047 µF
0.01 µF
0.22 µF
0.47 µF
0.1 µF
0.01 µF
3300 pF
0.01 µF
0.01 µF
0.01 µF
0.01 µF
2.2 µF
Reccomended
Range
≤ 47 kΩ
≤ 47 kΩ
—
—
≥ 100 Ω
—
—
—
—
—
≥ 0.25 Ω
Rt1 + Rt2 =
10 kΩ
≥ 0.33 Ω
≥ 0.33 Ω
—
—
≥ 0.1 µF
≥ 0.22 µF
≥ 0.47 µF
—
—
—
—
Purpose
Filter for SPN driver control input
Filter for SLD driver control input
To stop FCS block oscillation
To stop TRR block oscillation
for Q1 bias
for TRY driver output voltage setting
To stop FCS block oscillation
To stop TRR block oscillation
for BTL gain setting
SPN driver current detection resistor
Reference current setting and SLD driver
maximum duty setting
for FCS driver current sense
for TRR driver current sense
Voltage regulator division resistor
for Power supply by passing
for B-EMF Amplitude AGC
for B-EMF filter
for Booster pumping
for Booster output smoothing
for SPN driver phase compensation
Filter for SPN control input
Filter for SLD control input
To stop FCS block oscillation
To stop TRR block oscillation
To stop FCS block oscillation
To stop TRR block oscillation
for Voltage regulator smoothing
Note
7
1
2, 5
7
8
6
11
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet HA13568AT.PDF ] | |
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