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A4964 Datasheet(PDF) 85 Page - Allegro MicroSystems

Part # A4964
Description  Sensorless Sinusoidal Drive BLDC Controller
PDF  92 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A4964 Datasheet(HTML) 85 Page - Allegro MicroSystems

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Sensorless Sinusoidal Drive BLDC Controller
A4964
85
Allegro MicroSystems, LLC
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com
Figure 29: EV Package, 36 Pin QFN with Exposed Thermal Pad
For Reference Only – Not for Tooling Use
(Reference JEDEC MO-220VJJD-3, except pin count)
Dimensions in millimeters – NOT TO SCALE
Exact case and lead configuration at supplier discretion within limits shown
0.25
+0.05
–0.07
0.50
0.90 ±0.10
0.55 ±0.20
C
SEATING
PLANE
6.00 ±0.15
6.00 ±0.15
0.30
1.15
0.50
5.80
5.80
4.15
4.15
4.15
4.15
C
0.08
37X
D
D
36
36
2
1
2
1
36
2
1
A
A
B
B
C
C
PCB Layout Reference View
Terminal #1 mark area
Exposed thermal pad (reference only, terminal #1 identifier appearance at supplier discretion)
Reference land pattern layout (reference IPC7351 QFN50P600X600X100-37V1M);All pads a
minimum of 0.20 mm from all adjacent pads; adjust as necessary to meet application process
requirements and PCB layout tolerances; when mounting on a multilayer PCB, thermal vias at
the exposed thermal pad land can improve thermal dissipation (reference EIA/JEDEC Standard
JESD51-5)
Coplanarity includes exposed thermal pad and terminals



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