A3983 View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A3983' PDF : 13 Pages View PDF
A3983
DMOS Microstepping Driver with Translator
Pin List Table
Name
Description
Number
CP1
Charge pump capacitor 1
1
CP2
Charge pump capacitor 2
2
VCP
Reservoir capacitor
3
VREG
Regulator decoupling
4
MS1
Logic input
5
MS2
Logic input
6
RESET Logic input
7
ROSC
Timing set
8
SLEEP Logic input
9
VDD
Logic supply
10
STEP
Logic input
11
REF
Current trip reference voltage input
12
GND
Ground*
13
DIR
Logic input
14
OUT1B DMOS Full Bridge 1 Output B
15
VBB1
Load supply
16
SENSE1 Sense resistor for Bridge 1
17
OUT1A DMOS Full Bridge 1 Output A
18
OUT2A DMOS Full Bridge 2 Output A
19
SENSE2 Sense resistor for Bridge 2
20
VBB2
Load supply
21
OUT2B DMOS Full Bridge 2 Output B
22
ENABLE Logic input
23
GND
Ground*
24
*The two GND pins must be tied together externally by connecting
to the exposed pad ground plane under the device.
26184.29A
Allegro MicroSystems, Inc.
11
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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