A3967SLB Allegro Microsystems Inc, A3967SLB Datasheet - Page 14

• Manufacturer Part Number: A3967SLB
• Description: IC MOTOR DRIVER PWM FULL 24SOIC
• Manufacturer: Allegro Microsystems Inc

Specifications of A3967SLB

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: ±750mA
• Voltage - Load: 4.75 V ~ 30 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SOIC (7.5mm Width)
• Operating Current: 65mA
• Operating Temperature Classification: Commercial
• Package Type: SOIC W
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A3967
Terminal List
Terminal
Name
REF
RC
SLEEP
OUT
LOAD SUPPLY
GND
SENSE
OUT
STEP
DIR
MS
MS
LOGIC SUPPLY
ENABLE
OUT
SENSE
GND
LOAD SUPPLY
OUT
RESET
RC
PFD
2
1
1
2
2B
2A
1A
1B
2
1
2
1
Terminal Description
Gm reference input
Analog input for fi xed offtime – bridge 2
Logic input
H bridge 2 output B
V
Analog and power ground
Sense resistor for bridge 2
H bridge 2 output A
Logic input
Logic Input
Logic input
Logic input
V
Logic input
H bridge 1 output A
Sense resistor for bridge 1
Analog and power ground
V
H bridge 1 output B
Logic input
Analog Input for fi xed offtime – bridge 1
Mixed decay setting
BB2
CC
BB1
, the logic supply voltage
, the load supply for bridge 2
, the load supply for bridge 1
SUPPLY
SENSE
SLEEP
OUT
OUT
LOAD
STEP
GND
GND
REF
RC
MS
DIR
2B
2A
2
1
2
2
Pin-out Diagram
12
10
11
8
1
2
3
4
5
6
7
9
Microstepping Driver with Translator
V
BB2
÷8
TRANSLATOR
& CONTROL
LOGIC
TIMER
PWM
V
V
BB1
CC
19
24
23
22
21
20
18
17
16
13
15
14
Dwg. PP-075-2
PFD
RC
RESET
OUT
LOAD
SUPPLY
SENSE
OUT
ENABLE
LOGIC
SUPPLY
MS
GND
GND
1
2
1B
1A
1
1
Terminal
Number
18, 19
6, 7
10
12
13
14
15
16
17
20
21
22
23
24
11
1
2
3
4
5
8
9
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
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