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A4923 Datasheet(PDF) 4 Page - Allegro MicroSystems

Part # A4923
Description  3-Phase Sinusoidal Motor Controller
Download  11 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A4923 Datasheet(HTML) 4 Page - Allegro MicroSystems

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3-Phase Sinusoidal Motor Controller
A4923
3
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Terminal List Table
Name
Function
Number
Name
Function
Number
HC-
Analog hall input C
1
SC
High-side source connection C
17
HA+
Analog hall input A
2
GLC
Low-side gate drive C
18
HB+
Analog hall input B
3
GLB
Low-side gate drive B
19
HC+
Analog hall input C
4
GLA
Low-side gate drive A
20
VREG3.3
3.3V regulator capacitor terminal
5
LSS
Low-side sense resistor connection
21
GND
Ground
6
–
No connect
22
VREG7.2
7.2V regulator capacitor terminal
7
–
No connect
23
CP1
Charge pump capacitor terminal
8
–
No connect
24
CP2
Charge pump capacitor terminal
9
STARTn
Digital start input
25
VCP
Charge pump reservoir cap terminal
10
DIR
Digital direction input
26
VBB
Supply voltage
11
BRAKE
Digital brake input
27
GHA
High-side gate drive A
12
TEST1
ATE terminal, can be left open or
connected to GND
28
SA
High-side source connection A
13
FGO
Digital motor-speed output
29
GHB
High-side gate drive B
14
TEST2
ATE terminal, can be left open or
connected to GND
30
SB
High-side source connection B
15
HA-
Analog hall input A
31
GHC
High-side gate drive C
16
HB-
Analog hall input B
32
PAD
-
1
HC-
PAD
24
No Connect
2
HA+
23
No Connect
3
HB+
22
No Connect
4
HC+
21
LSS
5
VREG3.3
20
GLA
6
GND
19
GLB
7
VREG7.2
18
GLC
8
CP1
17
SC
Pin-out Diagrams
ET Package


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