STA7130MPR Datasheet

1-2-1 2-Phase Stepper Motor Unipolar Driver ICs
STA7130MPR/7131MPR/7132MPR 2-Phase to 2W 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
Symbol
Ratings
Unit
Motor Supply Voltage
46
46
*1
V
V
A
V
V
V
• Supporting the clock-input-method micro-step
drive (built-in sequencer)
REF Input Voltage
Sense Voltage
VM
VBB
Io
VIN
VREF
VRS
• Self-excitation PWM current control with fixed
off time
Power Dissipation
PD
• Synchronous PWM chopping function
prevents motor noise in Hold mode
Junction Temperature
• Sleep mode for reducing the IC input current
in stand-by state
Storage Temperature
Tj
Ta
Tstg
• Power supply voltages, VBB: 46 V (max), 10 to
44 V normal operating range
• Maximum output currents: 1 A, 1.5 A, and 2 A
Driver Supply Voltage
Output Current
Logic Input Voltage
Operating Ambient Temperature
• ZIP type 18-pin molded package (STA
package)
(Ta=25°C)
Parameter
–0.3 to +6
–0.3 to +6
±0.5
3.5
12.5
+150
W
Remarks
Mode F
Excluding tw<1µs
When Ta = 25°C
When Tc = 25°C
°C
°C
°C
–20 to +80
–30 to +150
*1: Output current value may be limited for the STA7130MPR (1.0 A), 7131MPR (1.5 A), and 7132MPR (2.0 A),
depending on the duty ratio, ambient temperature, and heating conditions.
Do not exceed junction temperature of Tj under any circumstances.
■Recommended Operating Conditions
Parameter
Rating
Symbol
Motor Supply Voltage
VM
Driver Supply Voltage
VBB
Case Temperature
TC
max.
10
44
V
85
°C
44
■Electrical Characteristics
Parameter
Main Supply Current
Symbol
Output MOSFET ON Resistance
RDS(ON)
Logic Input Voltage
Logic Input Current
REF Input Voltage
REF Input Current
Sense Voltage
Sleep-Enable Recovery Time
Switching Time
Sense Resistance
Fclock
VIL
VIH
IIL
IIH
VREF
VREFS
IREF
VSENSE
TSE
tcon
tcoff
100
0.7
0.25
0.18
0.85
0.95
0.95
Vocp
Iocp
ICs
V
Temperature at Pin-10 Lead (without Fin)
2.3
±10
±10
0
2.0
VREF/3-0.03
100
0.65
mA
mA
V
Ω
V
1.4
0.7
0.305
0.205
0.155
0.7
2.3
3.5
4.5
125
VREF/3+0.03
STA7130MPR
STA7131MPR
STA7132MPR
STA7130MPR
STA7131MPR
STA7132MPR
When Clock Duty = 50%
V
V
µA
V
µS
µS
µS
Ω
0.75
V
A
0.8
5
100
98.1
92.4
83.1
70.7
55.5
38.2
19.5
1.5
11.5
8.5
7
In operation
Sleep 1 and Sleep 2 modes
µA
0.9
5.5
±10
VREF/3
Conditions
Unit
kHz
0.7
Ttsd
VLOL
ILOL
ModeF
ModeE
ModeC
ModeA
Step Reference Current Ratio
Mode8
Mode6
Mode4
Mode2
PWM Minimum ON Time
ton(min)
toff1
toff2
PWM OFF Time
toff3
*The direction in which current flows out of the device is regarded as negative.
98
0.85
0.4
0.24
1.1
1.2
2.1
250
RS
Overcurrent Sense Current
Vocp÷Rs
max.
10
3
VF
Overcurrent Sense Voltage
Thermal Protection Temperature
Logic Output Voltage
Logic Output Current
min.
Ratings
typ.
IBB
IBBS
V(BR)DSS
Maximum Clock Frequency
Remarks
(VDD=5V, VBB=24V, Ta=25°C, unless otherwise specified)
Output MOSFET Breakdown Voltage
Output MOSFET Diode Forward Voltage
Unit
min.
°C
V
mA
%
%
%
%
%
%
%
%
µS
µS
µS
µS
Output OFF (Sleep 1)
When step reference current ratio is 100%
Sleep1&Sleep2
Clock → Out ON
Clock → Out OFF
STA7130MPR
STA7131MPR
STA7132MPR
When motor coil shorts out
STA7130MPR
STA7131MPR
STA7132MPR
Rear of case (at the saturation temperature)
ILOL =5mA
VLOL =0.8V
VREF=0.1V to 0.9V
Mode 8 to F
Mode 4 to 6
Mode 2
STA7130MPR/7131MPR/7132MPR
■Internal Block Diagram
■Pin Assignment
8 12
9
MIC
PreDriver
Sequencer
&
Sleep Circuit
Protect
1/3
Protect
DAC
+
Comp
-
3
Rs
18
Reg.
PreDriver
SenseA
17
OutB
7 13
OutB
6
VBB
5
Clock
4
Reset
CW/CCW
M2
Sleep2
15
M0
11
M1
2
Flag
Ref/Sleep1
OutA
1
TSD
Synchro
Control
PWM
Control
1/3
DAC
+
Comp
-
PWM
Control
DSC
16
Rs
DSC
14
Sync
SenseB
Pin No.
Symbol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
OutA
Phase A output
Function
OutA/
Phase A output
Phase A current sense
SenseA
2 phase excitation state output monitor output
MO
M1
Excitation mode setting input
M2
Sleep 2 setting input
Sleep2
Step Clock input
Clock
VBB
Driver supply (motor supply)
Gnd
Device GND
Control current mode/Sleep 1 setting input
Ref/Sleep1
Internal logic reset input
Reset
Normal/reverse control input
CW/CCW
Sync
PWM control signal input
Flag
Coil open/shorted detection output
Phase B current sense
SenseB
OutB/
Phase B output
OutB
Phase B output
10
Gnd
■Typical Connection Diagram
■External Dimensions (ZIP18 with Fin [STA18Pin])
(Unit : mm)
+
Q1
Sleep
r1
CA
C1
OutA
OutA
VBB
OutB
OutB
1.3±0.1
(Measured at the root)
r10
+
(6.9)
Reset
Clock
CB
CW/COW
Microcomputer,
etc.
M1
M2
)
R1
(4–
+0.2
Sleep2
0.55
Sync
Mo
Ref/Sleep1
SerseA
Gnd
+0.2
–0.1
17XP1.27±0.5=21.59±1
(Measured at the tip)
Flag
r4 to r9
R-end
STA7130MPR Series
Sense
(3.6)
r11
(1)
9±0.2
VDD=3.0V to 5.5V
4±0.2
3.3±0.5
25.25±0.3
VS=10V to 44V
0.45 –0.1
2.54±0.5
(Measured at the tip)
25.55 (Including the resin burr)
r2
r3
C1.5±0.5
C2
One-point
Gnd
Logic Gnd
Power Gnd
Forming No.
No.434
Product Mass : Approx.6g
ICs
99