HITACHI HA13568AT

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
HA13568AT
Pin Arrangement
GND
FCSREF
FCSIN
FCSRS
TRRRS
VFCS
FCSP
FCGND
FCSN
TRRP
TRRN
TRYP
TRYN
VSLD
SLGND
SLDN
SLDP
VBST
B1
B2
RNF
U
V
W
VSPN
WFIL
VFIL
GND
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
(Top view)
2
GND
TRRREF
TRRIN
NC
NC
NC
TRYLIM
TRYR
TRYF
SLDIN
SLDLIM
RT
CT2
VSS
CT3
CT1
CE
VREGF
VREGS
BRKSEL
PHASE
PC
CT
AGC
VCTL
REFIN
UFIL
GND
HA13568AT
Pin Description
Pin No.
Pin Name
Function
2
FCSREF
FCS driver block reference voltage
3
FCSIN
FCS control input pin
4
FCSRS
FCS sense pin
5
TRRRS
TRR sense pin
6
VFCS
FCS driver and TRR driver power supply
7
FCSP
FCS driver P output
8
FCGND
FCS driver and TRR driver GND
9
FCSN
FCS driver N output
10
TRRP
TRR driver P output
11
TRRN
TRR driver N output
12
TRYP
TRY driver P output
13
TRYN
TRY driver N output
14
VSLD
SLD driver and TRY driver power supply
15
SLGND
SLD driver and TRY driver GND
16
SLDN
SLD driver N output
17
SLDP
SLD driver P output
18
VBST
Booster output pin. This circuit generates a voltage about 1.5 V above that of the
VSPN pin.
19
B1
Booster pumping capacitor connection
20
B2
21
RNF
Spindle driver current detection
22
U
U phase output
23
V
V phase output
24
W
W phase output
25
VSPN
Spindle and booster power supply
26
WFIL
W phase low pass filter. Connect a filter C to this pin during GND.
27
VFIL
V phase low pass filter. Connect a filter C to this pin during GND.
30
UFIL
U phase low pass filter. Connect a filter C to this pin during GND.
31
REFIN
Reference voltage of spindle and slide
32
VCTL
Spindle control input. Generates forward torque when a DC voltage higher than
REFIN is applied, and brake when a DC voltage lower than REF is applied.
33
AGC
For AGC. Holds the level used for IC internal processing fixed even if the B-EMF
level fluctuates due to the rotation speed.
34
CT
Spindle center tap
35
PC
Spindle driver phase compensation
3
HA13568AT
Pin Description (cont)
Pin No.
Pin Name
Function
36
PHASE
Outputs the B-EMF zero cross phase. Open corrector. (See the timing chart)
37
BRKSEL
To select the brake mode. Lo: Short brake, Hi: Reverse full brake
(when forward torque input: BRKSEL = H)
38
VREGS
Voltage regulator sense pin (VREGS ≈ 3.3 V output)
39
VREGF
Voltage regulator force pin
40
CE
Chip enable. Input Hi: active
41
CT1
Time constant for clock oscillator circuit. The clock oscillator frequency is
determined by the external capacitor and resistor Ct1 and Rt.
42
CT3
Time constant for PWM carrier oscillator. The carrier frequency is determined by
the external capacitor and resistor Ct3 and Rt.
43
VSS
Control block power supply. 5 V
44
CT2
Time constant for start-up oscillator. The start-up oscillator frequency is
determined by the external capacitor and resistor Ct2 and Rt.
45
RT
Reference voltage (3.3 V). The IC’s internal reference current is determined by
this voltage and the external resistor Rt.
46
SLDLIM
SLD output maximum duty setting
47
SLDIN
SLD control input pin
48
TRYF
TRY driver forward input
49
TRYR
TRY driver reverese input
50
TRYLIM
TRY output voltage setting pin
51
NC
No connection
52
NC
53
NC
54
TRRIN
TRR control input pin
55
TRRREF
TRR driver block reference voltage
1, 28, 29, 56, TAB
4
GND
HA13568AT
Block Diagram
C102
VSS
43
UFIL
VFIL
WFIL
AGC
33
U V W
34
CT
30
27
B-EMF
detection
26
PHASE 36
Vspn
Commutation
Tmask
44
Ct2
1.5A
SPN
output
Drive
mode
Mask
time
CT2
VSPN
25
Vref
V
23
W
24
21
VCTL 32
CE 40
Rt RT
45
CT1
41
Ct1
22
Vbst
Start-up
circuit
U
V
SPN
W
RNF
Rnf
Current
control
REFIN 31
BRKSEL 37
U
35
OTSD
Brake
19
CLK
Bias
CLK
OSC
20
Vbst
18
FCSIN 3
B2
VBST
N
P
10
0.5A
BTL
Vfcs
2
B1
6 VFCS
FCSP
7
FCSRS
4
FCSN
9
P
FCSREF 2
PC
FCS
Vbst
TRRIN 54
TRRREF 55
0.5A
BTL
Vfcs
2
5
TRRP
TRRRS
TRR
TRRN
N
11
P
14 VSLD
SLDP
17
N
16
P
12
N
13
8 FCGND
Vbst
SLDIN 47
1.5AH
bridge
SLD
control
SLDLIM 46
M
SLD
M
TRY
SLDN
Vbst
VREGS 38
VREGF 39
0.5AH
bridge
Vreg
TRYP
TRYN
15 SLGND
TAB
CT3
42
Ct3
49
50
48
TRYLIM TRYF TRYR
51 , 52 , 53 : NC pin
5
HA13568AT
Timing Chart
1. Start-up
CE
0
Tc2
Vhct2
Vlct2
16Tc2
14Tc2
12Tc2
10Tc2
8Tc2
6Tc2
0
2Tc2
4Tc2
4Tc2
4Tc2
4Tc2
4Tc2
CT2
+
Output
current
0
(U phase)
−
+
Output
current
0
(V phase)
−
+
Output
current
0
(W phase)
−
PHASE
0
B-EMF
Mask period
Synchronous mode
Note: Tc2 is as follows.
Tc2 =
Where,
6
8 (Vhct2 − Vlct2) Rt Ct2
Vrt
Vhct2 : CT2 pin high voltage (See electrical characteristics)
Vlct2 : CT2 pin low voltage (See electrical characteristics)
B-EMF mode
HA13568AT
2. Acceleration (switching mode)
U
V
W
V
W
Reverse +
start-up
voltage 0
B-EMF
−
PHASE
0
+
Output
current
0
(U phase)
−
+
Output
current
0
(V phase)
−
+
Output
current
0
(W phase)
−
3. Running (soft switching mode)
U
Reverse
start-up
voltage
B-EMF
+
PHASE
0
Output
voltage
(U phase)
0
−
0
+
Output
current
0
(U phase)
−
7
HA13568AT
Truth Table
Table 1
Overall
CE
OTSD
SPN Driver
FCS Driver
TRR Driver
SLD Driver
TRY Driver
L
X
Z
Z
Z
Z
Z
H
ON
Z
Z
Z
Z
Z
OFF
ON
ON
ON
ON
ON
Note: X: Option, Z: Hi impedance
Table 2
SPN Driver
BRKSEL
VCTL
SPN Driver
X
> REFIN
Forward torque
REFIN
Z
L
< REFIN
Short brake
H
REFIN – 0.6 V
Reverse brake
Note: X: Option, Z: Hi impedance
Table 3
TRY Driver
TRYF
TRYR
P Output
N Output
L
L
Z
Z
L
H
L
H
H
L
H
L
H
H
H
H
Note: Z: Hi impedance
8
HA13568AT
Application
1. FCS, TRR voltage drive
+5V
+12V
C101
VSS
C102
VSPN
AGC
CT
UFIL
U
VFIL
V
WFIL
W
C103
C104
SPN
C105
Ct2
5V
CT2
R105
Rnf
Q1
Cpc
VREGF
3.3V
VREGS
Vcc
MPU
RNF
C108
PHASE
PC
BRKSEL
B1
C106
CE
R101
VCTL
C109
B2
Rt1
C107
RT
Rt2
VBST
Ct1
CT1
REFIN
VREF
VFCS
FCSP
FCSRS
FCSN
TRRP
TRRRS
TRRN
FCGND
VSLD
SLDP
DMO
R110
FOO
FCSIN
R111
FCSREF
R112
TRO
TRRIN
R113
TRRREF
R102
FMO
SLDIN
C110
+5V
R103
C111
R104
C112
FCS
TRR
R106
M SLD
Ct3
SLDLIM
SLDN
CT3
TRYP
TRYF
TRYR
TRYLIM
R107
M TRY
TRYN
SLGND
TAB
9
HA13568AT
2. FCS, TRR voltage drive
FCSP
R110
FO
R111
FCSIN
(Zin ≈ 12kΩ)
C111
RSFCS
FCSREF
(Zin ≈ 12kΩ)
DSP
FCSN
R108
C113
R112
TO
R113
REF
R103
FCS
FCSRS
TRRIN
(Zin ≈ 12kΩ)
TRRP
R104
TRR
C112
TRRRS
TRREF
(Zin ≈ 12kΩ)
RSTRR
TRRN
R109
C114
Note: Other pins have the same connections as those used in application 1.
3. When used at a voltage other than 3.3 V with a voltage regulator (Vout = 3.3 to Vcc – 1 V)
Vcc (5V or 12V)
R105
Q1
VREGF
+
−
Vout
C115
Rr1
3.3V VREGS
3.3V
Rr2
Note: Other pins have the same connections as those used in application 1.
10
HA13568AT
External Components
Parts No.
Reccomended
Value
Reccomended
Range
Purpose
R101
47 kΩ
≤ 47 kΩ
Filter for SPN driver control input
R102
47 kΩ
≤ 47 kΩ
Filter for SLD driver control input
R103
6.8 Ω
—
To stop FCS block oscillation
R104
6.8 Ω
—
To stop TRR block oscillation
R105
500 Ω
≥ 100 Ω
for Q1 bias
R106
20 kΩ
—
for TRY driver output voltage setting
R107
27 kΩ
—
R108
6.8 Ω
—
To stop FCS block oscillation
R109
6.8 Ω
—
To stop TRR block oscillation
R110 to
R113
20 kΩ
—
for BTL gain setting
7
Rnf
0.25 Ω
≥ 0.25 Ω
SPN driver current detection resistor
1
Rt1
1.8 kΩ
Rt1 + Rt2 =
10 kΩ
Reference current setting and SLD driver
maximum duty setting
2, 5
Rt2
8.2 kΩ
RSFCS
1Ω
≥ 0.33 Ω
for FCS driver current sense
7
RSTRR
1Ω
≥ 0.33 Ω
for TRR driver current sense
Rr1
—
—
Voltage regulator division resistor
Rr2
—
—
C101
0.1 µF
≥ 0.1 µF
C102
0.047 µF
for B-EMF Amplitude AGC
C103
0.01 µF
for B-EMF filter
Note
8
for Power supply by passing
6
C104
C105
C106
0.22 µF
≥ 0.22 µF
for Booster pumping
C107
0.47 µF
≥ 0.47 µF
for Booster output smoothing
C108
0.1 µF
for SPN driver phase compensation
C109
0.01 µF
Filter for SPN control input
C110
3300 pF
Filter for SLD control input
C111
0.01 µF
—
To stop FCS block oscillation
C112
0.01 µF
—
To stop TRR block oscillation
C113
0.01 µF
—
To stop FCS block oscillation
C114
0.01 µF
—
To stop TRR block oscillation
C115
2.2 µF
for Voltage regulator smoothing
11
HA13568AT
External Components (cont)
Parts No.
Reccomended
Value
Reccomended
Range
Ct1
150 pF
≥ 120 pF
Ct2
0.033 µF
Ct3
470 pF
≥ 390 pF
Q1
Note:
Purpose
Note
Time constant for CLK oscillation. Use a
capacitor with good temperature characteristics.
3
Time constant for start-up oscillation. Use a
capacitor with good temperature characteristics.
4
PWM carrier oscillation time constant
5
Transistor for voltage regulator
1. The output current maximum value Iospnmax of SPN driver is controlled according to the
following equation. However, Vspncl is the current limiter reference voltage. (See the electrical
characteristics)
Vspncl
Iospnmax =
Rnf
2. The maximum duty Dmax of SLD driver output is controlled according to the following equation.
Dmax =
Vrt
Vhct3 − Vlct3
Rt2
Vlct3
−
× 100 (%)
Rt
Vrt
However,
Rt = Rt1 + Rt2,
Vlct3
Rt2
≥
Vrt
Rt
Where, Vrt
: RT pin voltage (See the electrical characteristics)
Vlct3 : CT3 pin low voltage (≈ 1.3 V)
Vhct3 : CT3 pin high voltage (≈ 3.3 V)
Since Vrt ≈ Vhct3, Dmax is not limited at 100% when Rt1 = 0 Ω.
3. The CLK oscillation frequency is determined by the following equation.
fclk =
Vrt
8 Ct1 Rt ∆Vct1
Where, Vrt
: RT pin voltage (See the electrical characteristics)
∆Vct1 : CT1 pin voltage amplitude (≈ 1 V)
4. The Ct2 for start-up oscillation is determined by the following equation.
Tc2 =
1
6
Ct2 =
Tc2 Vrt
8 Rt (Vhct2 − Vlct2)
J
P Kt Ispnmax
Where, J
P
Kt
Vhct2
Vlct2
12
: Spindle motor inertia (kg · cm · S 2)
: Number of spindle motor poles (Total number of S poles and N poles)
: Spindle motor torque constant (kg · cm / A)
: CT2 pin high voltage (≈ 3.3 V)
: CT2 pin low voltage (≈ 1.3 V)
HA13568AT
5. The PWM oscillation frequency fpwm is determined by the following equation.
Vrt
fpwm =
8 Ct3 Rt (Vhct3 − Vlct3)
Where, Vhct3 : CT3 pin high voltage (≈ 3.3 V)
Vlct3 : CT3 pin low voltage (≈ 1.3 V)
6. The C103 to C105 for B-EMF filter are determined by the following equation.
21
35
≤ C103 ≤
π ⋅ Rflt ⋅ No ⋅ P
π ⋅ Rflt ⋅ No ⋅ P
Where, Rfill : B-EMF detection output resistor (See the electrical characteristics)
No
: Maximum rotation speed (rpm)
7. The FCS and TRR is determined by the following equation.
Voltage drive:
R1
Gv =
Rin + R2
Current drive:
R1
Gm =
((Rin + R2) ⋅ Rs)
Where, R1
R2
Rin
: Resistor of IC inside (≈30kΩ)
: Resistor of IC inside (≈7kΩ)
: Resistor value inserted in the input (Ω)
(R110 to R113)
Rs
: Current sense resistor (Ω)
8. The output voltage Vout of voltage regulator is determined by the following equation.
Vout = 3.3 1 +
Rr1
Rr2
13
HA13568AT
Absolute Maximum Ratings (Ta = 25°C)
Item
Symbol
Rating
Unit
Note
Supplu voltage
Vss
7
V
1
SPN supply voltage
Vspn
15
V
1
FCS & TRR supply voltage
Vfcs
15
V
1
SLD & TRY supply voltage
Vsld
15
V
1
Input voltage
Vin
0 to Vss
V
2
Vintrylim
Vss to Vsld
V
SPN output current
Iospn
1.5
A
3
FCS & TRR & TRY output current
Iofcs
0.5
A
3
SLD output current
Iosld
1.5
A
3
Power dissipation
PT
5
W
4
Junction temperature
Tj
160
°C
1
Storage temperature range
Tstg
–55 to +125
°C
Note:
1. Operating voltage range is shown below.
Vss = 4.25 to 5.75 V
Vspn = 4.25 to 13.8 V
Vfcs = 4.25 to 13.8 V (However, the output high voltage is clamped at 7 V.)
Vsld = 4.25 to 13.8 V
Tjopr = 0 to +135°C
2. Applied to BRKSEL, VCTL, REFIN, CE, FCSIN, FCSREF, TRRIN, TRRREF, SLDIN, SLDLIM,
TRYF and TRYR.
3. ASO (Area of Safety Operation) of each output transistor is shown below (TBD).
ASO of SLD driver
2.0
1.5
1.5
1.0
t = 0.1ms
0.5
t = 1ms
t = 10ms
0.2
0.1
1
2
5
10 15 20
The voltage between Corrector and Emitter Vce (V)
Corrector Current Ic (A)
Corrector Current Ic (A)
ASO of SPN driver
2.0
1.0
t = 0.1ms
0.5
t = 1ms
t = 10ms
0.2
0.1
1
2
5
10 15 20
The voltage between Corrector and Emitter Vce (V)
4. Thermal resistance is shown below.
θj-tab ≤ 12°C / W (back side tab soldering area is 70% or more)
θj-a ≤ 25°C / W (mounted on 4 layer multi glass-epoxy board, back side tab soldering area is
70% or more)
14
HA13568AT
Electrical Characteristics
(Ta = 25°C, Vss = 5 V, Vspn = 12 V, Vfcs = 5 V, Vsld = 12 V)
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
Applicable
Pins
Quiescent current
Iss0
—
0.7
0.9
mA
CE = L
VSS
Ispn0
—
—
0.2
mA
VSPN
Ifcs0
—
—
0.01
mA
VFCS
Isld0
—
—
0.01
mA
VSLD
Iss1
14
20
25
mA
CE = H, VCTL =
VSS
Ispn1
11
15
20
mA
FCSIN = TRRIN =
VSPN
Ifcs1
6
10
15
mA
SLDIN = REFIN,
VFCS
Isld1
—
—
1.0
mA
TRYF = TRYR = L
All load open
VSLD
Iss2
20
33
60
mA
CE = H, VCTL =
VSS
Ispn2
11
30
50
mA
FCSIN = TRRIN =
VSPN
Ifcs2
7
10
15
mA
SLDIN = 5 V,
VFCS
Isld2
–15
–1.0
1.0
mA
TRYF, TRYR = H,
L, All load open
VSLD
Iince
0
70
100
µA
Vin = 0 to 5 V
BRKSEL,
Iin
—
—
±10
µA
CE, TRYF,
Low level voltage
Vil
—
—
0.8
V
TRYR
High level voltage
Vih
2.0
—
—
V
Logic
Low level voltage
Vol
—
—
0.4
V
Io = 1 mA
output
Leak current
Icer1
—
—
±10
µA
Vce = 15 V
SPN
driver
Output saturation
voltage
Vsatspn
—
1.25
1.75
V
Iospn = 1.0 A
Leak current
Icer2
1.3
2.2
3
mA
Vce = 15 V
Current limiter
voltage
Vspncl
238
265
292
mV
Rnf = 0.25 Ω
Input resistance
Rinfcs
9.6
12
14.4
kΩ
Rinfcsref
9.6
12
14.4
kΩ
Vinfcs
0
—
5
V
Logic
Input current
input
FCS
driver
Input voltage range
Note
PHASE
U, V, W
1
RNF
2
FCSIN
15
HA13568AT
Electrical Characteristics
(Ta = 25°C, Vss = 5 V, Vspn = 12 V, Vfcs = 5 V, Vsld = 12 V) (cont)
Symbol
Min
Typ
Max
Unit
Test Conditions
Applicable
Pins
Output quiescent
voltage
Vqfcs
2.375
2.5
2.625
V
FCSIN=FCSREF=
2.5 V, VFCS=5 V
FCSP,
FCSN
Output offset
voltage
Vosfcs
—
—
±20
mV
Output saturation
voltage
Vsatfcs
—
1.0
1.4
V
Voltage gain
Gvfcs
11.6
12.6
13.6
dB
Gain band width
Bfcs
100
—
—
kHz
Input resistance
Rintrr
9.6
12
14.4
kΩ
Rintrrref
9.6
12
14.4
kΩ
Input voltage range
Vintrr
0
—
5
V
Output quiescent
voltage
Vqtrr
2.375
2.5
2.625
V
FCSIN=TRRREF=
2.5 V, VFCS=5 V
Output offset
voltage
Vostrr
—
—
±20
mV
FCSIN = REF
Output saturation
voltage
Vsattrr
—
1.0
1.4
V
Io = 0.33 A
Voltage gain
Gvtrr
11.6
12.6
13.6
dB
Gain band width
Btrr
100
—
—
kHz
∆Gv = –3 dB
Output saturation
voltage
Vsatsld
—
1.5
2.0
V
Iosld = 0.75 A
Leak current
Icer3
—
—
±100
µA
Vce = 15 V
Penetration current
Iovlap
—
—
100
Transient response
tplh1
—
—
time
tphl1
—
Output saturation
voltage
Vsattry
Leak current
Item
FCS
driver
TRR
driver
SLD
driver
TRY
driver
16
Io = 0.33 A
Note
3
1
4
∆Gv = –3 dB
TRRIN
TRRP,
TRRN
3
1
4
SLDP,
SLDN
1
mA
VSLD
8
5
µs
SLDP,
—
5
µs
SLDN
—
1.0
1.4
V
Iotry = 0.33 A
Icer3
—
—
±100
µA
Vce = 15 V
Penetration current
Iovlap
—
—
100
Transient response
tplh1
—
—
time
tphl1
—
Input current
Iintrylim
Output voltage
Vlimtry
TRYP,
TRYN
1
mA
VSLD
8
5
µs
TRYP,
—
5
µs
TRYN
—
—
±5
µA
Vtrylim=7 to VSLD
0.1
0.7
1.0
V
RL = 16Ω,
Vtrylim = 7 V
9
HA13568AT
Electrical Characteristics
(Ta = 25°C, Vss = 5 V, Vspn = 12 V, Vfcs = 5 V, Vsld = 12 V) (cont)
Item
Symbol
Min
Typ
Max
Unit
Test Conditions
Applicable
Pins
Note
Vctl = 0 to Vss–1V
VCTL,
2
SPN
Input current
Iinspn
—
—
±5.0
µA
current
REF voltage range
Vref
1.6
—
3.0
V
control
Dead zone voltage
Vdzspn
±50
—
±120
mV
Current control
gain
Gctl
—
–12
±1.5
dB
Drive
Change threshold
Vctl
—
0.5
±0.1
V
Vref reference
VCTL
5
mode
voltage
fPHASE
—
≥f CT2
±50%
Hz
SOFT SW mode
U, V, W
5
—
<fCT2
–20%
Hz
SW mode
SW ↔ SOFT SW
B-EMF
REFIN
Vref reference
RNF
Output resistance
Rflt
—
10
±20%
kΩ
Threshold voltage
of PHASE
occurrence
Viemf
—
40
±50%
mVpp
VSPN ≥ Vss + 3VF
—
28
±50%
mVpp
VSPN ≤ Vss + 3VF
UFIL, VFIL,
WFIL
detection
U, V, W
CLK
RT voltage
Vrt
3.135
3.30
3.465
V
OSC
CLK oscillation
frequency
fclk
210
240
270
kHz
Rt = 10 kΩ,
Ct1 = 82 pF
CT1
Start-up
circuit
Start-up oscillation
frequency
fct2
437
485
534
Hz
Rt = 10 kΩ,
Ct2 = 0.033 µF
CT2
SLD
Input current
I insld
—
—
±5.0
µA
Vsld = 0 to Vss–1V
SLDIN
control
Input voltage range
Vinsld
0
—
4.0
V
Limiter input
current
Isldlim
—
—
±5.0
µA
PWM oscillation
frequency
fpwm
33
38
42.35
kHz
Control gain
D/V
80
90
100
%/V
Offset voltage
Vossld
—
—
20
mV
SLDIN = REFIN
Output sink current
Isinkreg
8.5
12.2
—
mA
VREGS = 4 V,
VREGF = 4 V
Output voltage
Voutreg
3.135
3.30
3.465
V
Operating
temperature
Tsd
135
160
—
°C
Hysteresis
Thys
—
50
—
°C
Voltage
regulator
OTSD
6
RT
SLDLIM
Rt = 10 kΩ,
Ct3 = 470 pF
7
8
17
HA13568AT
1. The output saturation voltage is the sum of the upper and lower saturation voltages.
2. See figure 1. Where,
∆Vrnf
Gctl = 20 log
Forward
Reverse
∆Vctl
torque
torque
Vspncl
Vdzspn
Vrnf (V)
Note:
∆Vrnf
∆Vctl
Vref
0
Figure 1
Vctl (V)
Reverse brake Short brake
3. Where,
Vfcsp + Vfcsn
2
Vtrrp + Vtrrn
Vqtrr =
2
Vqfcs =
4. See figure 2. Where,
Vfcsp (Vtrrp) &
Vfcsn (Vtrrn)
∆Vfcsp
(∆Vtrrp)
(V
trr
p)
n)
trr
cs
p
∆Vfcsin
(∆Vtrrin)
Vf
∆Vtrrn
∆Vtrrin
(V
∆Vtrrp
∆Vtrrin
n
Gvtrr = 20 log
cs
∆Vfcsp ∆Vfcsn
∆Vfcsin ∆Vfcsin
Vf
Gvfcs = 20 log
0
Vref Vfcsin (Vtrrin)
Figure 2
,
,,
fPHASE (Hz)
5. The circuit operates in soft switching drive mode only when the control input (Vctl) is lower than
f CT2 and fPHASE is higher than the threshold voltage. See figure 3.
SOFT SW mode
SW mode
fCT2
SW mode
0
Figure 3
6. PHASE is output only when B-EMF exceeds the threshold voltage.
18
0.5V
VCTL − REFIN
HA13568AT
Duty
(%)
7. See figure 4. Where,
∆D
D/V =
∆Vin
SLDP = PWM
SLDN = H
SLDP = H
SLDN = PWM
100
∆D
Vref ∆Vin
0
Vinsld (V)
Figure 4
8. Design guide only.
9. Vlimtry = VTRYP – VTRYLIM, or VTRYN – VTRYLIM
19
HA13568AT
20
rm
ra
e
ow
1
er
+L
arm
p
Up
rm
er a
ow
m, L
r ar
0
0
e
Upp
0.5
1.0
Output Current Iospn (A)
1.5
SLD Driver Output Saturation Voltage vs.
Output Current
4
3
m
r
we
2
rm
+
ar
Lo
ra
e
pp
U
1
r
we
, Lo
r
ppe
0
0
arm
arm
U
0.5
1.0
Output Current Iosld (A)
1.5
Output Saturation Voltage Vsatfcs (V)
2
Output Saturation Voltage Vsattrr (V)
SPN Driver Output Saturation Voltage vs.
Output Current
3
TRY Driver Output Saturation Voltage vs.
Output Current
3
2
er
1
rm
a
er
+
w
Lo
p
Up
0
0
ower
m, L
er ar
arm
FCS Driver Output Saturation Voltage vs.
Output Current
3
2
rm
ra
e
ow
1
rm
ra
+L
pe
Up
0
0
r arm
Lowe
arm,
r
e
p
Up
0.2
0.4
Output Current Iofcs (A)
0.6
TRR Driver Output Saturation Voltage vs.
Output Current
3
2
arm
er
1
r
ppe
arm
+
Low
U
0
0
er arm
, Low
r arm
Uppe
0.2
0.4
Output Current Iotrr (A)
0.6
RT Voltage vs. Junction Temperature
3.6
RT Voltage Vrt (V)
Output Saturation Voltage Vsattry (V)
Output Saturation Voltage Vsatsld (V)
Output Saturation Voltage Vsatspn (V)
Reference Data
3.4
3.2
arm
Upp
0.2
0.4
Output Current Iotry (A)
0.6
3.0
0
25
50
75
100
135
Junction Temperature Tj (°C)
HA13568AT
Package Dimensions
Preliminary
Unit: mm
14.0
14.2 Max
29
6.10
56
Top view
1
0.50
0.21 +0.04
−0.05
0.19 +0.03
−0.05
28
0.08 M
1.0
8.10 ± 0.15
0.08
0.05 ± 0.05
0° − 8°
0.17 ± 0.05
0.15 ± 0.04
1.20 Max
0.65 Max
0.50 ± 0.1
(7.5)
28
(2.8)
1
Under view
56
29
Hitachi Code
JEDEC
EIAJ
Weight (reference value)
TTP-56DT


0.32 g
21
HA13568AT
Cautions
1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent,
copyright, trademark, or other intellectual property rights for information contained in this document.
Hitachi bears no responsibility for problems that may arise with third party’s rights, including
intellectual property rights, in connection with use of the information contained in this document.
2. Products and product specifications may be subject to change without notice. Confirm that you have
received the latest product standards or specifications before final design, purchase or use.
3. Hitachi makes every attempt to ensure that its products are of high quality and reliability. However,
contact Hitachi’s sales office before using the product in an application that demands especially high
quality and reliability or where its failure or malfunction may directly threaten human life or cause risk
of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation,
traffic, safety equipment or medical equipment for life support.
4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly
for maximum rating, operating supply voltage range, heat radiation characteristics, installation
conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used
beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable
failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other
consequential damage due to operation of the Hitachi product.
5. This product is not designed to be radiation resistant.
6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without
written approval from Hitachi.
7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi semiconductor
products.
Hitachi, Ltd.
Semiconductor & IC Div.
Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan
Tel: Tokyo (03) 3270-2111 Fax: (03) 3270-5109
URL
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Japan
: http://www.hitachi.co.jp/Sicd/indx.htm
For further information write to:
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Germany
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Copyright © Hitachi, Ltd., 1998. All rights reserved. Printed in Japan.
22