A3906SESTR-T Allegro Microsystems Inc, A3906SESTR-T Datasheet - Page 5

• 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
I
LOAD
FLx
Stepper Motor Operation
DC Motor Operation
IN1
IN1
0
1
0
1
0
1
0
0
0
0
0
1
1
Fault Asserted
NOTE: Timer resets after each reset of the PWM latch.
IN2
IN2
0
0
1
1
0
0
0
1
1
1
0
0
0
Low Voltage Stepper and Single/Dual DC Motor Driver
IN3
IN3
0
1
0
1
0
1
1
1
0
0
0
0
0
IN4
IN4
0
0
1
1
0
0
0
0
0
1
1
1
0
t
FLx
OUT1A
Fault Timing Diagram
OUT1A
High
High
High
High
Low
Low
Low
Low
Low
Off
Off
Off
Off
Control Logic
OUT1B
OUT1B
Fault Asserted
High
High
High
High
Low
Low
Low
Low
Low
Off
Off
Off
Off
OUT2A
OUT2A
High
High
High
High
Low
Low
Low
Low
Low
Off
Off
Off
Off
OUT2B
OUT2B
High
High
High
High
Low
Low
Low
Low
Low
Off
Off
Off
Off
Full Step 1
Full Step 2
Full Step 3
Full Step 4
Disabled
t
FLx
–
–
–
–
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Function
Function
Disabled
Reverse
Forward
Fault Asserted
Brake
I
TRIP
½ Step 1
½ Step 2
½ Step 3
½ Step 4
½ Step 5
½ Step 6
½ Step 7
½ Step 8
Disabled
5