A2918EWV データシートの表示（PDF） - Allegro MicroSystems
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A2918EWV Datasheet PDF : 8 Pages
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2918
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 45 V, VCC = 4.75 V to 5.25 V,
VREF = 5.0 V (unless otherwise noted).
Characteristic
Output Drivers (OUTA or OUTB)
Motor Supply Range
Output Leakage Current
Symbol
VBB
ICEX
Output Sustaining Voltage
Output Saturation Voltage
VCE(sus)
VCE(SAT)
Clamp Diode Leakage Current
Clamp Diode Forward Voltage
Driver Supply Current
Control Logic
IR
VF
IBB(ON)
IBB(OFF)
Test Conditions
VOUT = VBB
VOUT = 0
IOUT = ±1.5 A, L = 3.0 mH
Sink Driver, IOUT = +1.0 A
Sink Driver, IOUT = +1.5 A
Source Driver, IOUT = -1.0 A
Source Driver, IOUT = -1.5 A
VR = 45 V
IF = 1.5 A
Both Bridges ON, No Load
Both Bridges OFF
Input Voltage
Input Current
Reference Voltage Range
Current Limit Threshold
Thermal Shutdown Temp.
Total Logic Supply Current
VIN(1)
VIN(0)
IIN(1)
IIN(0)
VREF
VREF/VSENSE
TJ
ICC(ON)
ICC(OFF)
All Inputs
All Inputs
VIN = 2.4 V
VIN = 0.8 V
Operating
At Trip Point
VEN = 0.8 V, No Load
VEN = 2.4 V, No Load
Negative current is defined as coming out of (sourcing) the specified device pin.
Typical Data is for design information only.
Min.
Limits
Typ.
Max.
10
—
45
—
<1.0
50
—
<-1.0
-50
45
—
—
—
0.7
0.8
—
0.9
1.1
—
1.8
2.0
—
1.9
2.2
—
<1.0
50
—
1.6
2.0
—
12
15
—
8.0
10
2.4
—
—
—
—
0.8
—
<1.0
20
—
-3.0
-200
1.5
—
VCC
9.5
10
10.5
—
170
—
—
105
140
—
10
12
Units
V
µA
µA
V
V
V
V
V
µA
V
mA
mA
V
V
µA
µA
V
—
°C
mA
mA
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