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SLA7073MR Arkusz danych(PDF) 1 Page - Sanken electric

Numer części SLA7073MR
Szczegółowy opis  2-Phase/1-2 Phase Excitation Support, Built-in Sequencer
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Producent  SANKEN [Sanken electric]
Strona internetowa  http://www.sanken-ele.co.jp/en
Logo SANKEN - Sanken electric

SLA7073MR Arkusz danych(HTML) 1 Page - Sanken electric

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94
ICs
1-2-1 2-Phase Stepper Motor Unipolar Driver ICs
2-Phase/1-2 Phase Excitation Support, Built-in Sequencer
SLA7070MR, MPR, MPRT/7071MR, MPR, MPRT/7072MR, MPR, MPRT/7073MR, MPR, MPRT
■Absolute Maximum Ratings
Parameter
Symbol
Ratings
Unit
Remarks
Motor Supply Voltage
VM
46
V
Driver Supply Voltage
VBB
46
V
Logic Supply Voltage
VDD
6V
Output Current
Io
*1
A
Mode F
Logic Input Voltage
VIN
–0.3 to VDD+0.3
V
REF Input Voltage
VREF
–0.3 to VDD+0.3
V
Sense Voltage
VRS
±2V
Excluding tw<1µs
Power Dissipation
PD
4.7
W
When Ta = 25°C
17
When Tc = 25°C
Junction Temperature
Tj
+150
°C
Operating Ambient Temperature
Ta
–20 to +85
°C
Storage Temperature
Tstg
–30 to +150
°C
■Features
• Lineup of built-in current sense resistor and
built-in protection circuit-type
• Power supply voltages, VBB: 46 V (max), 10 to
44 V normal operating range
• Logic supply voltages, VDD: 3.0 to 5.5 V
• Maximum output currents: 1 A, 1.5 A, 2 A, and
3 A
• Built-in sequencer
• Self-excitation PWM current control with fixed
off-time
• Synchronous PWM chopping function
prevents motor noise in Hold mode
• Sleep mode for reducing the IC input current
in stand-by state
• ZIP type 23-pin molded package (SLA
package)
*1: Output current value may be limited for the SLA7070MR, MPR, MPRT (1.0 A), SLA7071MR, MPR, MPRT (1.5 A),
SLA7072MR, MPR, MPRT (2.0 A), and SA7073MR, MPR, MPRT (3.0 A), depending on the duty ratio, ambient
temperature, and heating conditions.
Be sure that junction temperature of Tj is not exceeded under any circumstances.
■Recommended Operating Conditions
Parameter
Motor Supply Voltage
Driver Supply Voltage
Logic Supply Voltage
Case Temperature
Symbol
VM
VBB
VDD
TC
Unit
V
V
V
°C
Rating
min.
max.
44
10
44
3.0
5.5
90
Remarks
The VDD surge voltage should be 0.5 V or lower
Temperature at Pin-12 Lead (without heatsink)
Parameter
Symbol
Unit
Ratings
min.
max.
15
100
5
0.85
0.6
0.4
0.24
1.1
1.25
1.2
2.1
0.25VDD
0.3
0.45
0.4
0.45
VDD
0.314
0.314
0.211
0.160
0.75
1.25
1.25
IBB
IBBS
IDD
V(BR)DSS
RDS(ON)
VF
Fclock
VIL
VIH
IIL
IIH
VREF
VREFS
IREF
VSENSE
TSE
tcon
tcoff
RS
Vocp
Iocp
Ttsd
VFlagL
VFlagH
IFlagL
IFlagH
ModeF
Mode8
ton(min)
toff
Main Supply Current
Logic Supply Current
Output MOSFET Breakdown Voltage
Output MOSFET ON Resistance
Output MOSFET Diode Forward Voltage
Maximum Clock Frequency
Logic Input Voltage
Logic Input Current
REF Input Voltage
REF Input Current
Sense Voltage
Sleep-Enable Recovery Time
Switching Time
Sense Resistance
Overcurrent Sense Voltage
Overcurrent Sense Current
Thermal Protection Temperature
Flag Output Voltage
Flag Output Current
Step Reference Current Ratio
PWM Minimum ON Time
PWM OFF Time
100
250
0.75VDD
0.04
0.04
0.04
0.04
2
100
0.296
0.296
0.199
0.150
0.65
1.25–VDD
–1.25
typ.
0.7
0.45
0.25
0.18
0.85
1.0
0.95
0.95
±1
±1
±10
VREF
2.0
1.5
0.305
0.305
0.205
0.155
0.7
2.3
3.5
4.6
140
100
70.7
3.2
12
Conditions
In operation
Sleep 1 and Sleep 2 modes
VBB=44V, ID=1mA
SLA7070M, ID=1.0A
SLA7071M, ID=1.5A
SLA7072M, ID=2.0A
SLA7073M, ID=3.0A
SLA7070M, ID=1.0A
SLA7071M, ID=1.5A
SLA7072M, ID=2.0A
SLA7073M, ID=3.0A
When Clock Duty = 50%
SLA7070M, within the current setting range
SLA7071M, within the current setting range
SLA7072M, within the current setting range
SLA7073M, within the current setting range
Output OFF (Sleep 1)
When step reference current ratio is 100%
Sleep1&Sleep2
Clock → Out ON
Clock → Out OFF
SLA7070M, tolerance of ±3%
SLA7071M, tolerance of ±3%
SLA7072M, tolerance of ±3%
SLA7073M, tolerance of ±3%
SLA7070xMPR, MPRT, when motor coil shorts out
SLA7070MPR, MPRT/7071MPR, MPRT
SLA7072MPR, MPRT
SLA7073MPR, MPRT
SLA707xMPRT, Rear of case (at the saturation temperature)
SLA707xMPR, MPRT, IFlagL=1.25mA
SLA707xMPR, MPRT, IFlagH=–1.25mA
SLA707xMPR, MPRT
mA
µA
mA
V
V
kHz
V
µA
V
µA
V
µS
µS
µS
V
A
°C
V
mA
%
%
µs
µs
* The direction in which current flows out of the device is regarded as negative.
■Electrical Characteristics


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