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A3969 Datasheet(PDF) 3 Page - Allegro MicroSystems

Part No. A3969
Description  Dual Full-Bridge PWM Motor Driver
Download  9 Pages
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
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A3969 Datasheet(HTML) 3 Page - Allegro MicroSystems

   
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Dual Full-Bridge PWM Motor Driver
A3969
3
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
R2S
R1S
REF
VCC
PH1
VBB
OUT 1A
OUT1B
V BB
RC
RT
CT
Dwg. FP-036-7
UVLO
& TSD
BLANKING
GATE
Q
R
S
PWM LATCH
+
CURRENT-SENSE
COMPARATOR
EN1
OSC
PH2
GND
UVLO
& TSD
BLANKING
GATE
Q
R
S
PWM LATCH
+
CURRENT-SENSE
COMPARATOR
EN2
OUT2A
OUT2B
SENSE
2
SENSE
1
2
2
2
1
1
1
÷4
Functional Block Diagram
21
20
19
18
17
16
15
OUT1B
NC
SENSE1
NC
GND
1
2
3
4
5
6
7
NC
SENSE2
NC
GND
NC
EN1
EN2
PH1
PH2
LOGIC
LOGIC
VBB
Pin-out Diagram


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