1-2-2 3-Phase Stepper Motor Driver ICs
SLA7611M
Star Connection/Delta Connection
sAbsolute
Maximum Ratings
Parameter
Main Supply Voltage
Logic Supply Voltage
Output Current
Logic Input Voltage
REF Input Voltage
PFD Input Voltage
Sense Voltage
Power Dissipation
Junction Temperature
Operating Ambient Temperature
Storage Temperature
Symbol
V
BB
V
CC
I
O (Ave)
I
O (Peak)
V
IN
V
REF
V
PFD
V
Rs
P
D
T
j
T
a
T
stg
Ratings
36
7
3
6
–0.3 to V
CC
+0.3
–0.3 to V
CC
+0.3
–0.3 to V
CC
+0.3
–2 to 2
4
150
–20 to 85
–30 to 150
Unit
V
V
A
A
V
V
V
V
W
°C
°C
°C
Without heatsink
tw < 1ms
(T
a
=25°C)
Remarks
sRecommended
Operating Conditions
Parameter
Main Supply Voltage
Logic Supply Voltage
REF Input Voltage
Case Temperature
Symbol
V
BB
V
CC
V
REF
T
C
Ratings
10 to 30
3 to 5.5
0.2 to V
CC
110max
Unit
V
V
V
°C
The VCC surge voltage should be 0.5V or lower.
The control current precision is degraded at 0.2V or lower.
Temperature at Pin-10 Lead (without heatsink)
Remarks
sElectrical
Characteristics (T
a
= 25°C, V
BB
= 24V, V
CC
= 5V, unless otherwise specified)
Parameter
Main Supply Current
Logic Supply Current
Charge Pump Voltage
Output Withstand Voltage
Output MOS FET ON Resistance
(total of the upper and lower values)
Output MOS FET
Diode Forward Voltage
Logic Input Voltage
Logic Input Current
Maximum Clock Frequency
PFD Input Current
RC Terminal Inflow Current
PFD Input Voltage
Sense Voltage
REF Input Voltage
REF Input Current
PWM OFF Time
Thermal Protection Circuit Activation Temperature
Hysteresis of Thermal Protection
Circuit Activation Temperature
Switching Time
Symbol
I
BB
I
cc
V
B
V
O
R
DS (on)
V
SD
V
IL
V
IH
I
IL
I
IH
F
clock
I
PFD
I
RC
V
PFDS
V
PFDM
V
PFDF
V
Rs
V
REF
I
REF
T
OFF
T
j
∆T
j
T
ONC
T
OFFC
0
±10
1.1×R
t
×C
t
150
10
2.5
2
V
REF
×0.2
V
CC
1.7
0.7
±10
200
V
CC
1.3
0.3
V
CC
×0.75
±1
±1
100
36
0.8
1.5
V
CC
×0.25
V
BB
+5
Ratings
min
typ
max
20
10
Unit
mA
mA
V
V
V
V
V
µ
A
I
DS
=3A
I
SD
=3A
Remarks
µ
A
kHz
Excluding E
na
µ
A
µ
A
V
V
V
V
V
µ
A
Slow Decay
Mixed Decay
Fast Decay
Steady-state
µ
s
°C
°C
µ
s
µ
s
Clock→Out
Clock→Out
120
ICs
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