2916
DUAL FULL-BRIDGE
MOTOR DRIVER
ELECTRICAL CHARACTERISTICS at TA = +25°C, TJ ≤ 150°C, VBB = 45 V, VCC = 4.75 V to 5.25 V,
VREF = 5.0 V (unless otherwise noted).
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Drivers (OUTA or OUTB)
Motor Supply Range
VBB
ICEX
10
—
—
45
—
—
—
—
—
—
—
—
—
< 1.0
<–1.0
—
45
50
V
µA
µA
V
Output Leakage Current
VOUT = VBB
VOUT = 0
–50
—
Output Sustaining Voltage
Output Saturation Voltage
VCE(sus)
VCE(SAT)
IOUT = ±750 mA, L = 3.0 mH
Sink Driver, IOUT = +500 mA
Sink Driver, IOUT = +750 mA
Source Driver, IOUT = –500 mA
Source Driver, IOUT = –750 mA
VR = 45 V
0.4
0.6
1.2
1.2
1.5
50
V
1.0
V
1.0
V
1.3
V
Clamp Diode Leakage Current
Clamp Diode Forward Voltage
Driver Supply Current
IR
< 1.0
1.6
µA
V
VF
IF = 750 mA
2.0
25
IBB(ON)
IBB(OFF)
Both Bridges ON, No Load
Both Bridges OFF
20
mA
mA
5.0
10
Control Logic
Input Voltage
VIN(1)
VIN(0)
IIN(1)
All inputs
2.4
—
—
—
—
0.8
20
V
V
All inputs
Input Current
VIN = 2.4 V
—
<1.0
– 3.0
—
µA
µA
V
VIN = 0.8 V
—
–200
7.5
10.5
16.5
34.5
—
Reference Voltage Range
VREF
Operating
1.5
9.5
13.5
25.5
—
Current Limit Threshold
(at trip point)
VREF/VSENSE
I0 = I1 = 0.8 V
I0 = 2.4 V, I1 = 0.8 V
I0 = 0.8 V, I1 = 2.4 V
10
—
—
—
°C
mA
mA
µs
15
30
Thermal Shutdown Temperature
Total Logic Supply Current
TJ
170
40
ICC(ON)
ICC(OFF)
toff
I0 = I1 = 0.8 V, No Load
I0 = I1 = 2.4 V, No Load
RT = 56 kΩ, CT = 820 pF
—
50
—
10
12
Fixed Off-Time
—
46
—
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