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A3969 Datasheet(PDF) 4 Page - Allegro MicroSystems

Part No. A3969
Description  Dual Full-Bridge PWM Motor Driver
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
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A3969 Datasheet(HTML) 4 Page - Allegro MicroSystems

   
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Dual Full-Bridge PWM Motor Driver
A3969
4
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Load Supply Voltage Range
VBB
Operating, IOUT = ±650 mA, L = 3 mH
5
30
V
Output Leakage Current
ICEX
VOUT = 30 V
<1.0
50
μA
VOUT = 0 V
<-1.0
-50
μA
Output Saturation Voltage
VCE(SAT)
Source Driver, IOUT = -400 mA
1.7
2.0
V
Source Driver, IOUT = -650 mA
1.8
2.1
V
Sink Driver, IOUT = +400 mA, VS = 0.425 V
0.3
0.5
V
Sink Driver, IOUT = +650 mA, VS = 0.425 V
0.7
1.3
V
Clamp Diode Forward Voltage
VF
IF = 400 mA
1.1
1.4
V
IF = 650 mA
1.4
1.6
V
Motor Supply Current
(No Load)
IBB(ON)
IBB(OFF)
VENABLE1 = VENABLE2 = 0.8 V
3.0
5.0
mA
VENABLE1 = VENABLE2 = 2.4 V
<1.0
200
μA
ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 30 V, VCC = 3.0 V to 3.6 V, VREF = 1.7 V,
VS = 0 V, 56 k
Ω and 680 pF RC to Ground (unless noted otherwise)
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Drivers
Logic Supply Voltage Range
VCC
Operating
3.00
3.60
V
Logic Input Voltage
VIN(1)
2.4
V
VIN(0)
0.8
V
Logic Input Current
IIN(1)
VIN = 2.4 V
<1.0
20
μA
IIN(0)
VIN = 0.8 V
<-20
-200
μA
Reference Input Volt. Range
VREF
Operating
0.1
1.7
V
Reference Input Current
IREF
-2.5
0
1.0
μA
Reference Divider Ratio
VREF/
VTRIP
3.8
4.0
4.2
Current-Sense Comparator
Input Offset Voltage
VIO
VREF = 0 V
-6.0
0
6.0
mV
Current-Sense Comparator
Input Voltage Range
VS
Operating
-0.3
0.425
V
Sense-Current Offset
ISO
IS – IOUT, 50 mA ≤ IOUT ≤ 650 mA
12
18
24
mA
Control Logic
NOTES:
1. Typical Data is for design information only.
2. Negative current is defined as coming out of (sourcing) the specified device terminal.


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