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SI-7502 데이터시트 PDF




Sanken electric에서 제조한 전자 부품 SI-7502은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 SI-7502 기능
기능 5-Phase Stepper Motor Driver ICs
제조업체 Sanken electric
로고 Sanken electric 로고


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SI-7502 데이터시트, 핀배열, 회로
Pentagon Connection
SI-7502 (SLA5011/SLA6503)
5-Phase Stepper Motor Driver ICs
sAbsolute Maximum Ratings
Part No.
SI-7502
SLA5011
SLA6503
Parameter
Motor supply voltage
Auxiliary supply voltage
Control voltage
Reference voltage
Detection voltage
Power dissipation
Ambient operating temperature
Drain -Source voltage
Drain current
Avalanche energy capability (Single pulse)
Power dissipation
Channel temperature
Storage temperature
Collector-Base voltage
Collector-Emitter voltage
Emitter-Base voltage
Collector current
Collector current (Pulse)
Base current
Power dissipation
Junction temperature
Storage temperature
Symbol
VCC
VS
Vb
Vref
VRS
PD
TOP
VDSS
ID
EAS
PT
Tch
Tstg
VCBO
VCEO
VEBO
IC
IC (pulse)
IB
PT
Tj
Tstg
Ratings
44
15
7
1.5
5
1
0 to +65
60
±5
2
35
150
40 to +150
60
60
6
3
6
1
35
150
40 to +150
(Ta=25°C)
Units
V
V
V
V
V
W
°C
V
A
mJ
W
°C
°C
V
V
V
A
A
A
W
°C
°C
sElectrical Characteristics
Part No.
SI-7502
SLA5011
SLA6503
Parameter
Symbol
Supply current
Input current
Upper drive circuit drive current
Lower drive circuit voltage
Oscillation frequency
Detection voltage
Gate threshold voltage
Forward Transconductance
DC ON-resistance
Input capacitance
Output capacitance
Di forward voltage between source and drain
Di reverse recovery time between source and drain
Collector cut-off current
Collector-emitter voltage
DC current gain
Collector emitter saturation voltage
ICC
IS
Ib
IIU-L, IIL-L
IOU-on
IOU-off
VOL-on
VOL-off
F
VRS
VTH
Re (yts)
RDS (ON)
CISS
COSS
VSD
trr
ICBO
VCEO
hFE
VCE (sat)
Limits
min typ
8
VS1.5
20
0.8
2.0
2.2 3.3
0.17
300
160
1.1
150
60
2000
max
40
12.5
50
1.6
11
10
1.5
30
1.05
4.0
0.22
1.5
10
1.5
(Ta=25°C)
Units
Conditions
mA VCC=42V, Vb=5.5V
mA VS=12.5V
mA Vb=5.5V
mA VIU=VIL=0.4V
mA Vb=5V, AIU to EIU pin open
µ A Vb=5V
V Vb=5V, AIL to EIL pin open
V Vb=5V
kHz Vb=5V
V Vb=5V, VREF pin open
V VDS=10V, ID=250µ A
S VDS=10V, ID=5A
VGS=10V, ID=5A
pF
VDS=25V, f=1.0MHz,VGS=0V
pF
V ISD=5A
ns ISD=±100mA
µ A VCB=60V
V IC=10mA
VCE=4V, IC=3A
V IC=3A, IB=6mA
104 SI-7502 (SLA5011/SLA6503)




SI-7502 pdf, 반도체, 판매, 대치품
5-Phase Stepper Motor Driver ICs (Pentagon Connection)
Application Notes
SI-7502 (SLA5011/SLA6503)
sDetermining the Output Current IO
(Control Current)
The main factors that determine the output current are current
sense resistor RS, supply voltage Vb, and variable current resis-
tor RX.
(1) Normal mode
To operate a motor at the maximum current level, set RX to
infinity (open).
From Fig. A, when the maximum current ripple is designated
as IOH, its value will be,
VRSH
IOH=
...................................................................... (1)
RS
VRSH can be calculated as follows:
VRSH=0.19×Vb0.03 (center value) ............................... (2)
From equations (1) and (2), the output current IOH can be
calculated as follows:
1
IOH= (0.19×Vb×-0.03)
RS
The relationship between IOH and RS is shown in Fig. B.
(2) Power down mode
When an external resistor RX is connected, VRSH changes as
shown in Fig. C even when RS is retained. Obtain a power
down output current IOHPD from Fig. C and equation (1).
sRelation between Output Current IO (Control
Current) and Motor Winding Current IOM
The SI-7502 uses the total current control system; therefore,
the output current IO is different from the motor winding current.
In a general pentagonal driving system, the current flows as
shown in Figure D. The relation between IO and IOM is as follows:
IO=4×IOM
With some driving systems, the relation can also be as follows:
IO=2×IOM
Fig. A
IOH
O
Waveform of output current
Fig. B Output current vs. Current sense resistor
(A)
3
IOH(max)= 0.212×Vb0.01
Rs
2 IOH(min)= 0.169×Vb0.03
Rs
1
IOH(max) (Vb=5V)
0.5
IOH(min)
(Vb=5V)
0.2
1 2 3 4 5 ()
Sense resistor Rs
Fig. C Sense voltage vs. Variable current resistor
(V)
1.0
VRSH
(max)=
7.2×RX
152.6+33.8×RX
×Vb0.01
0.8
0.6
VRSH
(min)=
6.1×RX
152.6+33.8×RX
×Vb0.03
VRSH
(max)
(Vb=5V)
(min)
VRSH
(Vb=5V)
0.4
0.2
0.5 1
2
5 10 20 (K)
Variable current resistor Rx
Fig. D Coil current flow at pentagonal driving
IOM IOM
IOM
2×IOM
VCC
IOM 2×IOM
to SI-7502
Sense resistor Rs 4×IOM
SI-7502 (SLA5011/SLA6503) 107

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