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A3979 датащи(PDF) 14 Page - Allegro MicroSystems

номер детали A3979
подробное описание детали  Microstepping DMOS Driver with Translator
PDF  15 Pages
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производитель  ALLEGRO [Allegro MicroSystems]
домашняя страница  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A3979 датащи(HTML) 14 Page - Allegro MicroSystems

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DMOS Microstepping Driver with Translator
A3979
14
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Terminal List Table
Number
Name
Description
1
SENSE1
Sense resistor for Bridge 1
2
HOME
Logic Output
3
DIR
Logic input
4
OUT1A
Output A for Bridge 1
5
PFD
Mixed decay setting
6
RC1
Analog input for fixed off-time for Bridge 1
7
AGND
Analog Ground
8
REF
Current trip reference voltage input
9
RC2
Analog input for fixed off-time for Bridge 2
10
VDD
Logic supply
11
OUT2A
Output A for Bridge 2
12
MS2
Logic input
13
MS1
Logic input
14
SENSE2
Sense resistor for Bridge 2
15
VBB2
Load supply for Bridge 2
16
SR
Logic input
17
¯R¯¯E¯¯S¯¯E¯¯T¯
Logic input
18
OUT2B
Output B for Bridge 2
19
STEP
Logic input
20
VREG
Regulator decoupling
21
PGND
Power Ground
22
VCP
Reservoir capacitor
23
CP1
Charge pump capacitor 1
24
CP2
Charge pump capacitor 2
25
1OUT1B
Output B for Bridge 1
26
¯E¯¯N¯¯A¯¯B¯¯L¯¯E¯
Logic input
27
¯S¯¯L¯¯E¯¯E¯¯P¯
Logic input
28
VBB1
Load supply for Bridge 1



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