SLA7071MPR [SANKEN]
2-Phase/1-2 Phase Excitation Support, Built-in Sequencer;型号: | SLA7071MPR |
厂家: | SANKEN ELECTRIC |
描述: | 2-Phase/1-2 Phase Excitation Support, Built-in Sequencer 局域网 电动机控制 |
文件: | 总2页 (文件大小:66K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
1-2-1 2-Phase Stepper Motor Unipolar Driver ICs
SLA7070MR, MPR, MPRT/7071MR, MPR, MPRT/7072MR, MPR, MPRT/7073MR, MPR, MPRT
2-Phase/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
VM
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
Mode F
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
• Maximum output currents: 1 A, 1.5 A, 2 A, and
3 A
V
V
V
V
Excluding tw<1µs
• Built-in sequencer
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 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.
• ZIP type 23-pin molded package (SLA
package)
Be sure that junction temperature of Tj is not exceeded under any circumstances.
■Recommended Operating Conditions
Rating
Parameter
Symbol
Unit
Remarks
min.
max.
44
Motor Supply Voltage
VM
VBB
VDD
TC
V
V
Driver Supply Voltage
Logic Supply Voltage
Case Temperature
10
44
3.0
5.5
90
V
The VDD surge voltage should be 0.5 V or lower
Temperature at Pin-12 Lead (without heatsink)
°C
■Electrical Characteristics
Ratings
Parameter
Symbol
Unit
Conditions
min.
100
typ.
max.
15
100
5
mA
µA
mA
V
In operation
Sleep 1 and Sleep 2 modes
I
BB
BBS
DD
V(BR)DSS
Main Supply Current
Logic Supply Current
I
I
VBB=44V, ID=1mA
Output MOSFET Breakdown Voltage
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
SLA7070M, I
SLA7071M, I
SLA7072M, I
SLA7073M, I
SLA7070M, I
SLA7071M, I
SLA7072M, I
SLA7073M, 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
R
DS(ON)
Ω
Output MOSFET ON Resistance
VF
Output MOSFET Diode Forward Voltage
V
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
0.45
VDD
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)
V
REF
V
REF Input Voltage
V
REFS
REF
SENSE
SE
±10
µA
V
µS
µS
µS
REF Input Current
Sense Voltage
Sleep-Enable Recovery Time
I
V
REF
When step reference current ratio is 100%
Sleep1&Sleep2
Clock → Out ON
V
100
T
2.0
1.5
t
t
con
Switching Time
Clock → Out OFF
coff
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
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
R
S
Ω
Sense Resistance
V
A
Overcurrent Sense Voltage
Overcurrent Sense Current
Vocp
Iocp
2.3
3.5
4.6
SLA7073MPR, MPRT
140
°C
SLA707xMPRT, Rear of case (at the saturation temperature)
SLA707xMPR, MPRT, IFlagL=1.25mA
SLA707xMPR, MPRT, IFlagH=–1.25mA
Thermal Protection Temperature
Flag Output Voltage
T
V
V
I
tsd
FlagL
FlagH
FlagL
FlagH
1.25
1.25
V
1.25–VDD
–1.25
Flag Output Current
mA
SLA707xMPR, MPRT
I
100
70.7
3.2
%
%
µs
µs
ModeF
Mode8
ton(min)
toff
Step Reference Current Ratio
PWM Minimum ON Time
PWM OFF Time
12
* The direction in which current flows out of the device is regarded as negative.
ICs
94
SLA7070MR, MPR, MPRT/7071MR, MPR, MPRT/7072MR, MPR, MPRT/7073MR, MPR, MPRT
■Internal Block Diagram
■Pin Assignment
Pin No.
Symbol
Function
1
2
3
4
Phase A output
Phase A output
OutA
OutA/
8
9
16 10 15
11
20 21 22 23
1
2
3
4
14
15
18
6
7
5
6
7
SenseA
N.C.
M1
Phase A current sense
N.C.
Reg
MIC
8
9
M2
Excitation mode/Sleep 2 setting input
Pre-
Driver
Pre-
Driver
Sequencer
&
Sleep Circuit
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
Ref/Sleep1
Control current mode/Sleep 1 setting input
Logic supply
+
–
+
V
DD
Synchro
Control
19
–
5
SenseA
SenseB
Reset
CW/CCW
Sync
Internal logic reset input
Normal/reverse control input
PWM control signal input
Protection circuit monitor output*1
Phase B current sense
PWM
Control
PWM
Control
R
S
OSC
RS
OSC
Flag*1
17
12
SenseB
OutB/
OutB
Phase B current output
Phase B current output
The protect circuit is deleted and the flag pin is N.C. for SLA7070MR, 7071MR, 7072MR, and 7073MR.
*1: N.C. pin for SLA7070MR, 7071MR, 7072MR, and 7073MR.
■Typical Connection Diagram
■External Dimensions (ZIP23 with Fin[SLA23Pin])
31±0.2
Vs=10V to 44V
24.4±0.2
16.4±0.2
4.8±0.2
1.7±0.1
Gate burr
3.2±0.15 × 3.8
φ
+
CA
Vcc=3.0V to 5.5V
OutA OutA
±0.15
φ
3.2
BB
OutB OutB
VDD
C1
r1
Q1
2.45±0.2
+
Reset
Clock
CW/CCW
M1
(Measured at
the root)
CB
4–(R1)
SLA7070M Series
(2-phase/1-2 phase
excitation)
Micro-
computer,
etc.
M2
R-end
M3
Sync
+0.2
N.C.
0.65
–0.1
+0.2
0.55
–0.1
Flag
22 × P1.27±0.5 = 27.94±1
Ref/Sleep1
4.5±0.7
SenseA
Gnd
SenseB
(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 SLA7070MR, 7071MR, 7072MR, and 7073MR.
ICs
95
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