A3950SEUTR-T Allegro, A3950SEUTR-T Datasheet - Page 4

• Manufacturer Part Number: A3950SEUTR-T
• Manufacturer: Allegro

A3950
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
1
2
ELECTRICAL CHARACTERISTICS at T J = 25°C, V
Motor Supply Current
PHASE, ENABLE, MODE Input
Voltage
SLEEP Input Voltage
PHASE, MODE Input Current
ENABLE Input Current
SLEEP Input Current
NFAULT Output Voltage
Input Hysteresis, except SLEEP
Output On Resistance
Body Diode Forward Voltage
Propagation Delay Time
Crossover Delay
Protection Circuitry
UVLO Threshold
UVLO Hysteresis
Overcurrent Threshold
Overcurrent Protection Period
Thermal Warning Temperature
Thermal Warning Hysteresis
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Package Thermal Resistance
*Additional thermal data available on the Allegro Web site.
For input and output current specifications, negative current is defined as coming out of (sourcing) the specified device pin.
Overcurrent protection is tested at 25°C in a restricted range and guaranteed by characterization.
Characteristic
Characteristics
2
1
1
Symbol
R
θJA
T
Symbol
R
V
T
JTSDHys
T
V
t
I
t
JWHys
V
DS(on)
V
UVHys
T
V
V
COD
OCP
OCP
I
V
V
JTSD
t
I
I
I
I
I
I
IHys
V
BB
pd
IH
IH
IH
JW
IL
IL
IL
OL
UV
IH
IH
IL
IL
Preliminary: EU package, 4-layer PCB based on JEDEC standard
LP package, 4-layer PCB based on JEDEC standard
LP package, 2-layer PCB with 3.8 in.
thermal vias
f
f
Charge pump on, outputs disabled
Sleep mode
V
V
V
V
V
V
I
Source driver, I
Source driver, I
Sink driver, I
Sink driver, I
Source diode, I
Sink diode, I
PWM, change to source or sink ON
PWM, change to source or sink OFF
V
Temperature increasing
Recovery = T
Temperature increasing
Recovery = T
PWM
sink
BB
IN
IN
IN
IN
IN
IN
BB
= 0.8 V
= 2.0 V
= 2.0 V
= 0.8 V
= 2.7 V
= 0.8 V
= 8 to 36 V,
= 1.0 mA
increasing
< 50 kHz
DMOS Full-Bridge Motor Driver
OUT
OUT
f
= 2.8 A
JW
JTSD
Test Conditions
OUT
OUT
f
unless noted otherwise
= –2.8 A
= 2.8 A, T
= 2.8 A, T
– T
Test Conditions*
– T
= -2.8 A, T
= -2.8 A, T
JWHys
JTSDHys
J
J
2
=25°C
=125°C
copper both sides, connected by
J
J
=25°C
=125°C
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
Min.
–20 <–2.0
100
2.0
2.7
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
3
–
–
–
–
–
Typ. Max. Units
<1.0
0.35
0.55
0.45
150
600
100
500
250
160
175
0.3
6.5
1.2
40
16
27
<1
15
15
6
3
–
–
–
–
–
–
–
–
–
Value
0.48
0.43
100
250
8.5
4.5
0.8
0.8
0.4
0.8
0.7
1.4
1.4
30
34
43
10
20
20
40
50
10
–
–
–
–
–
–
–
–
–
–
–
–
–
Units
ºC/W
ºC/W
ºC/W
mV
mV
mA
mA
ms
μA
μA
μA
μA
μA
μA
μA
°C
°C
°C
°C
ns
ns
ns
Ω
Ω
Ω
Ω
V
V
V
V
V
V
V
V
A
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