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SLA7078MPRT [SANKEN]

2-Phase to 4W 1-2 Phase Excitation Support, Built-in Sequencer;
SLA7078MPRT
型号： SLA7078MPRT
厂家： SANKEN ELECTRIC    SANKEN ELECTRIC
描述：

2-Phase to 4W 1-2 Phase Excitation Support, Built-in Sequencer

局域网 电动机控制
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1-2-1 2-Phase Stepper Motor Unipolar Driver ICs  
SLA7075MR, MPR, MPRT/7076MR, MPR, MPRT/7077MR, MPR, MPRT/7078MR, MPR, MPRT 2-Phase to 4W 1-2 Phase Excitation Support, Built-in Sequencer  
■Features  
■Absolute Maximum Ratings  
• Lineup of built-in current sense resistor and  
built-in protection circuit-type  
Parameter  
Symbol  
Ratings  
Unit  
V
Remarks  
Motor Supply Voltage  
Driver Supply Voltage  
Logic Supply Voltage  
Output Current  
V
M
46  
• Power supply voltages, VBB: 46 V (max), 10 to  
44 V normal operating range  
V
BB  
46  
V
VDD  
6
*1  
V
• Logic supply voltages, VDD: 3.0 to 5.5 V  
Io  
A
Vref=0.4V, Mode F  
• Maximum output currents: 1 A, 1.5 A, 2 A, and  
3 A  
Logic Input Voltage  
REF Input Voltage  
Sense Voltage  
V
IN  
REF  
RS  
–0.3 to VDD+0.3  
–0.3 to VDD+0.3  
±2  
V
V
V
• Clock input method (built-in sequencer)  
V
V
Excluding tw<1µs  
Power Dissipation  
4.7  
When T  
a
= 25°C  
= 25°C  
• Self-excitation PWM current control with fixed  
off-time  
PD  
W
17  
When T  
c
Junction Temperature  
Operating Ambient Temperature  
Storage Temperature  
T
j
+150  
°C  
°C  
°C  
• Synchronous PWM chopping function  
prevents motor noise in Hold mode  
Ta  
–20 to +85  
–30 to +150  
Tstg  
• Sleep mode for reducing the IC input current  
in stand-by state  
*1: Output current value may be limited for the SLA7075MR, MPR, MPRT (1.0 A), SLA7076MR, MPR, MPRT (1.5 A),  
SLA7077MR, MPR, MPRT (2.0 A), and SA7078MR, MPR, MPRT (3.0 A), depending on the duty ratio, ambient  
temperature, and heating conditions.  
• ZIP type 23-pin molded package (SLA  
package)  
Do not exceed junction temperature of Tj under any circumstances.  
■Recommended Operating Conditions  
Rating  
Parameter  
Symbol  
Unit  
Remarks  
min.  
max.  
44  
Motor Supply Voltage  
VM  
VS  
V
V
Driver Supply Voltage  
Logic Supply Voltage  
Case Temperature  
10  
44  
VDD  
TC  
3.0  
5.5  
90  
V
The VCC surge voltage should be 0.5 V or lower  
Temperature at Pin-12 Lead (without heatsink)  
°C  
■Electrical Characteristics  
Parameter  
Ratings  
typ.  
Symbol  
Unit  
Conditions  
min.  
100  
max.  
15  
100  
5
mA  
µA  
mA  
V
In operation  
Sleep 1 and Sleep 2 modes  
I
BB  
BBS  
DD  
(BR)DSS  
Main Supply Current  
I
I
Logic Supply Current  
Output MOSFET Breakdown Voltage  
VBB=44V, ID=1mA  
V
0.7  
0.45  
0.25  
0.18  
0.85  
1.0  
0.85  
0.6  
0.4  
0.24  
1.1  
1.25  
1.2  
SLA7075M, I  
SLA7076M, I  
SLA7077M, I  
SLA7078M, I  
SLA7075M, I  
SLA7076M, I  
SLA7077M, I  
SLA7078M, I  
D=1.0A  
D=1.5A  
D=2.0A  
D=3.0A  
D=1.0A  
D=1.5A  
D=2.0A  
D=3.0A  
Ω
Output MOSFET ON Resistance  
RDS(ON)  
V
F
V
Output MOSFET Diode Forward Voltage  
0.95  
0.95  
2.1  
250  
kHz  
V
When Clock Duty = 50%  
Maximum Clock Frequency  
Logic Input Voltage  
Fclock  
0.25VDD  
V
IL  
IH  
IL  
IH  
0.75VDD  
V
I
I
±1  
±1  
µA  
Logic Input Current  
0.04  
0.04  
0.04  
0.04  
2
0.3  
0.45  
0.4  
SLA7075M, within the specified current limit  
SLA7076M, within the specified current limit  
SLA7077M, within the specified current limit  
SLA7078M, within the specified current limit  
Output (OFF) Sleep 1  
V
REF  
V
REF Input Voltage  
0.45  
DD  
V
V
I
REFS  
REF  
±10  
µA  
V
µS  
µS  
µS  
REF Input Current  
SENSE Sense Voltage  
Sleep-Enable Recovery Time  
VREF  
When step reference current ratio is 100%  
Sleep1&Sleep2  
Clock → Out ON  
V
SENSE  
SE  
100  
T
2.0  
1.5  
t
t
con  
coff  
Switching Time  
Clock → Out OFF  
0.296  
0.296  
0.199  
0.150  
0.65  
0.305  
0.305  
0.205  
0.155  
0.7  
0.314  
0.314  
0.211  
0.160  
0.75  
SLA7075M, tolerance of ±3%  
SLA7076M, tolerance of ±3%  
SLA7077M, tolerance of ±3%  
SLA7078M, tolerance of ±3%  
SLA707xMPR, MPRT, when motor coil shorts out  
SLA7075MPR, MPRT/7076MPR, MPRT  
SLA7077MPR, MPRT  
Ω
Sense Resistance  
R
S
V
A
Overcurrent Sense Voltage  
Overcurrent Sense Current  
V
ocp  
2.3  
3.5  
I
ocp  
4.6  
140  
SLA7078MPR, MPRT  
°C  
SLA707xMPRT, Rear of case (at the saturation temperature)  
SLA707xMPR, MPRT, IFlagL=1.25mA  
SLA707xMPR, MPRT, IFlagH=-1.25mA  
Thermal Protection Temperature  
Logic Output Voltage  
T
V
V
I
std  
LOL  
LOH  
LOL  
LOH  
1.25  
1.25  
V
V
DD–1.25  
–1.25  
Logic Output Current  
mA  
SLA707xMPR, MPRT  
I
100  
98.1  
95.7  
92.4  
88.2  
83.1  
77.3  
70.7  
63.4  
55.5  
47.1  
38.2  
29.0  
19.5  
9.8  
%
%
%
%
%
%
%
%
%
%
%
%
%
%
%
µS  
µS  
µS  
µS  
ModeF  
ModeE  
ModeD  
ModeC  
ModeB  
ModeA  
Mode9  
Mode8  
Mode7  
Mode6  
Mode5  
Mode4  
Mode3  
Mode2  
Mode1  
ton(min)  
toff1  
Step Reference Current Ratio  
1.7  
12  
9
PWM Minimum ON Time  
PWM OFF Time  
Mode 8 to F  
Mode 4 to 7  
Mode 1 to 3  
toff2  
toff3  
7
ICs  
102  
SLA7075MR, MPR, MPRT/7076MR, MPR, MPRT/7077MR, MPR, MPRT/7078MR, MPR, MPRT  
■Internal Block Diagram  
■Pin Assignment  
Pin No.  
Symbol  
Function  
1
2
3
4
OutA  
Phase A output  
Phase A output  
OutA/  
8
9
16 10 15  
11  
20 21 22 23  
1
2
3
4
14  
15  
18  
6
7
5
SenseA  
Phase A current sense  
6
M
O
2 phase excitation state output monitor output  
Reg  
MIC  
7
8
M1  
M2  
Pre-  
Driver  
Pre-  
Driver  
Excitation mode/Sleep 2 setting input  
Sequencer  
&
Sleep Circuit  
9
M3  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
Clock  
Step Clock input  
Protect  
Protect  
VBB  
Driver supply (motor supply)  
Device GND  
Gnd  
DAC  
DAC  
Control current mode/Sleep 1 setting input  
Logic supply  
Ref/Sleep1  
+
–
+
Synchro  
Control  
V
DD  
19  
–
5
SenseA  
SenseB  
PWM  
Control  
PWM  
Control  
Internal logic reset input  
Normal/reverse control input  
PWM control signal input  
Protection circuit monitor output*1  
Phase B current sense  
Reset  
CW/CCW  
Sync  
R
S
OSC  
RS  
OSC  
Flag*1  
17  
Sync  
12  
Gnd  
SenseB  
Phase B current output  
Phase B current output  
OutB/  
OutB  
The protect circuit is deleted and the flag pin is N.C. for SLA7075MR, 7076MR, 7077MR, and 7078MR.  
*1: N.C. pin for SLA7075MR, 7076MR, 7077MR, and 7078MR.  
■Typical Connection Diagram  
■External Dimensions (ZIP23 with Fin [SLA23Pin])  
Vs=10V to 44V  
31±0.2  
24.4±0.2  
16.4±0.2  
4.8±0.2  
1.7±0.1  
3.2±0.15 × 3.8  
φ
Gate burr  
+
CA  
Vcc=3.0V to 5.5V  
OutA OutA  
BB  
OutB OutB  
±0.15  
φ
3.2  
VDD  
C1  
r1  
Q1  
2.45±0.2  
(Measured at  
the root)  
+
Reset  
Clock  
CW/CCW  
M1  
CB  
SLA7070M Series  
(2-phase/4 W1-2 phase  
excitation)  
4–(R1)  
Micro-  
M2  
computer,  
etc.  
R-end  
M3  
Sync  
M
O
+0.2  
0.65  
–0.1  
+0.2  
Flag  
0.55  
–0.1  
Ref/Sleep1  
22P × 1.27±0.5=27.94±1  
SenseA  
Gnd  
SenseB  
4.5±0.7  
(Measured at the tip)  
31.3±0.2  
r2  
r3  
C2  
(Including the resin burr)  
One-point  
Gnd  
Forming No. No.2151  
Logic Gnd  
Power Gnd  
Product Mass : Approx.6g  
* There is no Flag pin (pin 18) for SLA7075MR, 7076MR, 7077MR, and 7078MR.  
ICs  
103  

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