A3983SLP Allegro Microsystems Inc, A3983SLP Datasheet - Page 11

• Manufacturer Part Number: A3983SLP
• Description: IC DRIVER MICROSTEPPING 24-TSSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A3983SLP

• Applications: Stepper Motor Driver
• Number Of Outputs: 1
• Current - Output: ±2A
• Voltage - Load: 8 V ~ 35 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-TSSOP Exposed Pad, 24-eTSSOP, 24-HTSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A3983
*The GND pins must be tied together externally by connecting to the PAD ground plane
under the device.
Terminal List Table
SENSE1
SENSE2
ENABLE
RESET
OUT1B
OUT1A
OUT2A
OUT2B
SLEEP
VREG
ROSC
Name
STEP
VBB1
VBB2
GND
MS1
MS2
VDD
CP1
CP2
VCP
REF
PAD
DIR
NC
DMOS Microstepping Driver with Translator
Package LP
Number
13, 24
10
12
14
15
16
17
18
19
20
21
22
23
11
1
2
3
4
5
6
7
8
9
–
–
RESET
SLEEP
VREG
ROSC
STEP
VDD
CP1
CP2
VCP
MS1
MS2
REF
10
11
12
1
2
3
4
5
6
7
8
9
Package LP
Charge pump capacitor terminal
Charge pump capacitor terminal
Reservoir capacitor terminal
Regulator decoupling terminal
Logic input
Logic input
Logic input
Timing set
Logic input
Logic supply
Logic input
G
Ground*
Logic input
DMOS Full Bridge 1 Output B
Load supply
Sense resistor terminal for Bridge 1
DMOS Full Bridge 1 Output A
DMOS Full Bridge 2 Output A
Sense resistor terminal for Bridge 2
Load supply
DMOS Full Bridge 2 Output B
Logic input
No connection
Exposed pad for enhanced thermal dissipation*
m
reference voltage input
PAD
24
23
22
21
20
19
18
17
16
15
14
13
GND
ENABLE
OUT2B
VBB2
SENSE2
OUT2A
OUT1A
SENSE1
VBB1
OUT1B
DIR
GND
Description
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
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