A3906SESTR-T Allegro Microsystems Inc, A3906SESTR-T Datasheet - Page 4

• Manufacturer Part Number: A3906SESTR-T
• Description: IC, MOTOR DRIVER, STEPPER, 1A, QFN-20
• Manufacturer: Allegro Microsystems Inc

Specifications of A3906SESTR-T

• No. Of Outputs: 2
• Output Current: 1A
• Output Voltage: 9V
• Driver Case Style: QFN
• No. Of Pins: 20
• Operating Temperature Range: -20°C To +85°C
• Package / Case: 20-QFN
• Applications: DC Motor Driver, Stepper Motor Driver
• Number Of Outputs: 2/1
• Current - Output: ± 1A
• Voltage - Supply: 2.5 V ~ 9 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Operating Temperature Classification: Commercial
• Motor Controller Type: DC Motor Driver
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 9V
• Motor Type: Stepper
• Supply Voltage Range: 2.5V To 9V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Load: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 620-1288-2; A3906SESTR-T

A3906
ELECTRICAL CHARACTERISTICS
Operating Voltage Range
VBB Supply Current
Output Resistance
Current Trip Sense Voltage
Clamp Diode Voltage
Output Leakage Current
Control Logic
Logic Input Voltage
Logic Input Current
Input Hysteresis
¯ S ¯ ¯ L ¯ ¯ E ¯ ¯ E ¯ ¯ P ¯ Input
Fault Output
Fault Output Leakage Current
Fault Output Timer
Blank Time
Fixed Off-Time
Propagation Delay Time
Protection Circuitry
Crossover Delay
VBB Undervoltage Lockout Threshold
VBB Undervoltage Lockout Hysteresis
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
1
2
For input and output current specifications, negative current is defined as coming out of (sourcing) the specified device pin.
Specifications over the operating temperature range are assured by design and characterization.
Characteristics
Low Voltage Stepper and Single/Dual DC Motor Driver
1,2
V
Symbol
V
V
T
valid at T
V
R
V
BBUVHYS
JTSDHYS
SLEEP(0)
SLEEP(1)
t
V
T
V
V
t
t
BBUVLO
BLANK
SENSE
I
I
V
pd(on)
pd(off)
t
I
t
V
DS(on)
I
t
I
DSS
IN(1)
IN(0)
COD
JTSD
INhys
OFF
IN(1)
IN(0)
FLx
FLx
V
BB
FLx
BB
f
A
I
I
Sleep mode, V
Source driver, I
Source driver, I
Sink driver, I
Sink driver, I
FLx falling edge
I = 400 mA
Outputs, V
V
V
Flag asserted, I
V
Reset of PWM latch
Input high to source on, input low to source off
Input low to sink off, input high to sink on
V
OUT
OUT
= 25°C and V
IN
IN
FLx
BB
= 5.5 V
= 0.8 V
rising
= 0 mA, PWM = 50 kHz, Duty Cycle = 50%
= 0 mA, outputs disabled, V
= 5 V
OUT
OUT
OUT
IN
= 9 V
OUT
OUT
FLx
Test Conditions
= 400 mA, V
= 400 mA, V
< 0.4 V
= 1 mA
= 400 mA , V
= 400 mA , V
BB
= 2.5 to 9 V, unless otherwise noted
BB
BB
= 3 V, T
= 3 V, T
BB
BB
BB
= 3 V, T
= 3 V, T
= 9.6 V
J
J
= 25°C
= 85°C
J
J
= 25°C
= 85°C
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Min.
160
–20
100
200
200
2.5
2.0
2.1
2.2
50
–
–
–
–
–
–
–
–
–
–
–
–
–
2
–
–
–
–
–
–
<–100
<100
Typ.
0.52
0.78
0.62
0.93
2.31
150
200
150
300
235
100
425
300
165
30
15
–
5
3
–
–
–
–
–
–
–
–
3
Max.
–500
0.60
0.74
2.45
500
240
500
200
350
200
650
400
5.5
0.8
0.4
3.9
20
9
–
–
1
–
–
1
–
–
–
–
–
–
Units
mV
mV
mV
mV
mA
mA
μA
μA
nA
nA
nA
μs
μs
μs
ns
ns
ns
°C
°C
Ω
Ω
Ω
Ω
V
V
V
V
V
V
V
4