3972
DUAL DMOS FULL-BRIDGE
MICROSTEPPING PWM MOTOR DRIVER
ELECTRICAL CHARACTERISTICS at T
A
= +25
°
C, V
BB
= 50 V, V
DD
= 5.0 V, V
S
= 0.5 V,
f
PWM
< 50 kHz (unless otherwise noted).
Limits
Characteristic
Load Supply Voltage Range
Symbol
V
BB
V
DD
I
BB
Test Conditions
Operating
During sleep mode
Logic Supply Voltage Range
Load Supply Current
Operating
f
PWM
< 50 kHz
Operating, outputs disabled
Sleep or idle mode
Logic Supply Current
I
DD
f
PWM
< 50 kHz
Outputs off
Idle mode (D0 = 1, D18 = 0)
Sleep mode
Output Drivers
Output Leakage Current
I
DSS
r
DS(on)
V
F
V
OUT
= V
BB
V
OUT
= 0 V
Output On Resistance
Source driver, I
OUT
= –1.5 A
Sink driver, I
OUT
= 1.5 A
Body Diode Forward Voltage
Source diode, I
F
= 1.5 A
Sink diode, I
F
= 1.5 A
Control Logic
Logic Input Voltage
V
IN(1)
V
IN(0)
Logic Input Current
OSC Input Frequency Range
I
IN(1)
I
IN(0)
f
OSC
—
∆V
IN
V
IN
= 2.0 V
V
IN
= 0.8 V
Divide by one
(D0 =1, D13 = 0, D14 = 1)
OSC Input Duty Cycle
Input Hysterisis
40
0.20
—
—
60
0.40
%
V
2.0
—
—
—
2.5
—
—
<1.0
<-2.0
—
—
0.8
20
-20
6.0
V
V
µA
µA
MHz
—
—
—
—
—
—
<1.0
<-1.0
0.5
0.315
—
—
50
-50
0.55
0.35
1.2
1.2
µA
µA
Ω
Ω
V
V
Min.
15
0
4.5
—
—
—
—
—
—
—
Typ.
—
—
5.0
—
—
—
—
—
—
—
Max.
50
50
5.5
8.0
6.0
20
12
10
1.5
100
Units
V
V
V
mA
mA
µA
mA
mA
mA
µA
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