A3949SLP Allegro Microsystems Inc, A3949SLP Datasheet - Page 3

• Manufacturer Part Number: A3949SLP
• Description: IC MOTOR DRVR PWM FULL 16TSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A3949SLP

• Applications: PWM Motor Driver
• Number Of Outputs: 1
• Current - Output: ±2.8A
• Voltage - Supply: 8 V ~ 36 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Operating Current: 8.5mA
• Operating Temperature Classification: Commercial
• Package Type: TSSOP EP
• Operating Supply Voltage (max): 36V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Load: -
• Lead Free Status / Rohs Status: Compliant

A3949
Output-On Resistance
Body Diode Forward Voltage
Motor Supply Current
Logic Input Voltage
PHASE, ENABLE, MODE
Logic Input Voltage
SLEEP
Logic Input Current
PHASE, MODE pins
Logic Input Current
ENABLE pin
Logic Input Current
SLEEP pin
Propagation Delay Times
Crossover Delay
Protection Circuitry
UVLO Enable Threshold
UVLO Hysteresis
Thermal Shutdown Temp.
Thermal Shutdown Hysteresis
ELECTRICAL CHARACTERISTICS
Characteristics
Symbol
R
V
V
V
V
I
I
I
I
I
I
t
ΔT
I
DSON
V
IN(1)
IN(0)
IN(1)
IN(0)
IN(1)
IN(0)
t
COD
T
IN(1)
IN(0)
IN(1)
IN(0)
BB
pd
F
J
J
at T
A
= 25°C, V
Source driver, I
Source driver, I
Sink driver, I
Sink driver, I
Source diode, I
Sink diode, I
f
Charge pump turned on; outputs disabled
Sleep mode
V
V
V
V
V
V
From PWM change to source or sink turn on
From PWM change to source or sink turn off
VBB rising
PWM
IN
IN
IN
IN
IN
IN
= 0.8 V
= 2.0 V
= 2.0 V
= 0.8 V
= 2.7 V
= 0.8 V
< 50 kHz
BB
Test Conditions
= 8 V to 36 V (unless otherwise noted)
OUT
OUT
F
DMOS Full-Bridge Motor Driver
= 2.8 A
OUT
OUT
F
= 2.8 A, T
= –2.8 A, T
= –2.8 A
= –2.8 A, T
= –2.8 A, T
J
= 25°C
J
= 125°C
J
J
= 25°C
= 125°C
Min.
2.0
2.7
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
< –2.0
Typ.
< 1.0
.576
600
100
500
250
170
< 1
.68
1.1
40
16
27
15
.4
.3
1
6
3
–
–
–
–
–
6
Max.
–20
100
.48
.43
1.3
1.3
8.5
4.5
0.8
0.8
10
20
40
50
10
–
–
–
–
–
–
–
–
–
–
–
Units
mA
mV
mA
μA
μA
μA
μA
μA
μA
μA
ns
ns
ns
°C
°C
Ω
Ω
Ω
Ω
V
V
V
V
V
V
V
3