3964_00 Datasheet, PDF (3/10 Pages) Allegro MicroSystems – DUAL FULL-BRIDGE PWM MOTOR DRIVER

3964
DUAL FULL-BRIDGE
PWM MOTOR DRIVER
TRUTH TABLE
ENABLE PHASE
H
X
L
H
L
L
X = Irrelevant
OUT_A
Off
H
L
OUT_B
Off
L
H
ELECTRICAL CHARACTERISTICS at T_A = +25°C, V_BB = 30 V, V_CC = 4.75 V to 5.25 V,
V_S = 0 V, 30 kΩ & 1000 pF RC to Ground (unless noted otherwise)
Characteristic
Symbol Test Conditions
Min.
Limits
Typ. Max.
Output Drivers
Load Supply Voltage Range
Output Sustaining Voltage
Output Leakage Current
Output Saturation Voltage
Clamp Diode Forward Voltage
(Sink or Source)
Motor Supply Current
(No Load)
V_BB
V_CE(sus)
I_CEX
V_CE(SAT)
V_F
I_BB(ON)
I_BB(OFF)
Operating, I_OUT = ±800 mA, L = 3 mH
I_OUT = ±800 mA, L = 3 mH, V_BB = 33 V
V_OUT = V_BB = 33 V
V_OUT = 0 V, V_BB = 33 V
Source Driver, I_OUT = -500 mA
Source Driver, I_OUT = -750 mA
Source Driver, I_OUT = -800 mA
Sink Driver, I_OUT = +500 mA
Sink Driver, I_OUT = +750 mA
Sink Driver, I_OUT = +800 mA
I_F = 500 mA
I_F = 750 mA
I_F = 800 mA
V_ENABLE = 0.8 V
V_ENABLE = 2.4 V
5.0
—
30
33
—
—
—
<1.0
50
—
<1.0
-50
—
1.0
1.2
—
1.1
1.5
—
—
1.7
—
0.3
0.6
—
0.5
1.2
—
—
1.5
—
1.1
1.4
—
1.3
1.6
—
—
1.7
—
2.0
4.0
—
0
500
NOTES: 1. Typical Data is for design information only.
2. Negative current is defined as coming out of (sourcing) the specified device terminal.
Units
V
V
µA
µA
V
V
V
V
V
V
V
V
V
mA
µA
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