1-2-1 2-Phase Stepper Motor Unipolar Driver ICs
SLA7060M/SLA7061M/SLA7062M 1-2 Phase to 4W 1-2 Phase Excitation Support, Built-in Sequencer
■Features
■Absolute Maximum Ratings
(Ta=25°C)
• Main supply voltage VBB: 46V (max), 10 to
44V recommended
Ratings
SLA7061M
46
Parameter
Symbol
Unit
SLA7060M
1.0
SLA7062M
3.0
• Logic supply voltage VDD: 3.0 to 5.5V support
• Lineup of output current IO: 1A, 2A, 3A
(maximum set current)
• Supporting the clock-input-method micro-step
drive (built-in sequencer)
• 1-2 phase excitation to 4W 1-2 phase
excitation support
Motor Supply Voltage
Driver Supply Voltage
Logic Supply Voltage
Output Current
VM
VBB
VDD
IO
V
V
46
7
V
2.0
A
Logic Input Voltage
REF Input Voltage
Sense Voltage
VIN
VREF
VRS
PD
–0.3 to VDD+0.3
–0.3 to VDD+0.3
–2 to +2 (tw > 1µs)
3.5 (Without Heatsink)
+150
V
V
V
• Self-excitation PWM current control method
Power Dissipation
W
°C
°C
°C
• Built-in synchronous chopping function to
prevent the audible motor noise in the hold
state
Junction Temperature
Operating Ambient Temperature
Storage Temperature
Tj
Ta
–20 to +85
–30 to +150
Tstg
• ZIP type 21-Pin mold package (SLA package)
■Recommended Operating Conditions
Ratings
Parameter
Symbol
Unit
Remarks
min.
max.
44
Motor Supply Voltage
Driver Supply Voltage
Logic Supply Voltage
REF Input Voltage
VM
VBB
VDD
VREF
TC
V
V
10
3.0
0.1
44
5.5
1.0
90
V
The VDD surge voltage should be 0.5V or lower.
V
The control current precision is degraded at 0.1V or lower.
Temperature at Pin-11 Lead (Without heatsink)
Case Temperature
°C
(VDD=5V, VBB=24V, Ta=25°C, unless otherwise specified)
■Electrical Characteristics
Ratings
SLA7061M
typ.
SLA7060M
typ.
SLA7062M
typ.
Parameter
Symbol
Unit
mA
min.
max.
15
min.
100
250
max.
15
min.
100
250
max.
15
IBB
Conditions
IBBS
Conditions
IDD
V (BR )DS
Conditions
RDS (ON)
Conditions
VF
In operation
Sleep mode
In operation
Sleep mode
In operation
Sleep mode
Main Supply Current
100
4
100
4
100
4
µA
mA
V
Logic Supply Current
100
250
Output MOSFET Breakdown Voltage
VBB=44V, ID=1mA
VBB=44V, ID=1mA
VBB=44V, ID=1mA
0.7
0.25
ID=2A
0.95
0.18
ID=3A
0.95
Output MOSFET ON Resistance
Output MOSFET Diode Forward Voltage
Maximum Clock Frequency
Logic Input Voltage
Ω
ID=1A
0.85
V
Conditions
fclk
IF=1A
IF=2A
IF=3A
kHz
V
Conditions
VIL
When Clock Duty = 50%
VDD·0.25
When Clock Duty = 50%
VDD·0.25
When Clock Duty = 50%
VDD·0.25
VIH
VDD·0.75
VDD·0.75
VDD·0.75
IIL
±1
±1
±1
±1
±1
±1
IIH
Conditions
IILM
Clock, Reset, CW/CCW, Sync
Clock, Reset, CW/CCW, Sync
Clock, Reset, CW/CCW, Sync
Logic Input Current
µA
–50
±1
M1, M2
–50
±1
M1, M2
–50
±1
IIH
Conditions
VREF
M1, M2
0
1.5
0
1.5
0
1.5
Conditions
VREFS
Conditions
IREF
VMoL
Conditions
VMoH
Conditions
IMoL
Normal-operation current control
Normal-operation current control
Normal-operation current control
REF Input Voltage
REF Input Current
Mo Output Voltage
V
µA
V
2
VDD
2
VDD
2
VDD
Output OFF (sleep)
Output OFF (sleep)
Output OFF (sleep)
±10
±10
±10
1.25
1.25
1.25
IMOL=1.5mA
IMOL=1.5mA
IMOL=1.5mA
VDD–1.25
VDD–1.25
VDD–1.25
IMOH=–1.5mA
IMOH=–1.5mA
IMOH=–1.5mA
3
3
3
Mo Output Current
mA
µA
V
IMoH
ISENSE
–3
–3
–3
Sense Terminal Inflow Current
Sense Voltage
±10
1.00
±10
1.00
±10
1.00
VSENSE
Conditions
Mode F
Mode E
Mode D
Mode C
Mode B
Mode A
Mode 9
Mode 8
Mode 7
Mode 6
Mode 5
Mode 4
Mode 3
Mode 2
Mode 1
0.95
1.05
0.95
1.05
0.95
1.05
When VREF = 1V in Mode F
When VREF = 1V in Mode F
When VREF = 1V in Mode F
100
98.1
95.7
92.4
88.2
83.1
77.3
70.7
63.4
55.5
47.1
38.2
29
100
98.1
95.7
92.4
88.2
83.1
77.3
70.7
63.4
55.5
47.1
38.2
29
100
98.1
95.7
92.4
88.2
83.1
77.3
70.7
63.4
55.5
47.1
38.2
29
Step Reference Current Ratio
%
19.5
9.8
19.5
9.8
19.5
9.8
.
.
.
Conditions VREF=VSENSE=100%, VREF=0.1 to 1.0V
VREF=VSENSE=100%, VREF=0.1 to 1.0V
VREF=VSENSE=100%, VREF=0.1 to 1.0V
.
.
.
TONC
Conditions
TOFFC
2.0
Clock→OutON
1.5
2.0
Clock→OutON
1.5
2.0
Clock→OutON
1.5
Switching Time
µs
Conditions
TON (min)
Conditions
tOFF1
Conditions
tOFF2
Conditions
tOFF3
Conditions
Clock→OutOFF
1.8
Mode 1 to F
12
Mode 8 to F
9
Mode 4 to 7
7
Mode 1 to 3
Clock→OutOFF
1.8
Mode 1 to F
12
Mode 8 to F
9
Mode 4 to 7
7
Mode 1 to 3
Clock→OutOFF
1.8
Mode 1 to F
12
Mode 8 to F
9
Mode 4 to 7
7
Mode 1 to 3
PWM Minimum ON Time
µs
µs
Chopping OFF Time
µs
* The direction in which current flows out of the product is regarded as negative.
ICs
108
ETC [ ETC ]
