A4953 View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A4953' PDF : 11 Pages View PDF
A4952 and
A4953
Full-Bridge DMOS PWM Motor Drivers
Layout for the A4953 (LJ package)
GND
GND
RS
C1
C2
BULK
CAPACITANCE
OUT2
OUT1
VBB
GND
GND
A4953
PCB
Thermal Vias
1 GND
IN2
IN1
VREF
A4953
PAD
Solder
Trace (2 oz.)
Signal (1 oz.)
Ground (1 oz.)
Thermal (2 oz.)
OUT2
LSS
RS
OUT1
VBB
C1
VBB
C2
Bill of Materials
Item
Reference
1
RS
2
C1
3
C2
Value
0.25
(for VREF = 5 V, IOUT = 2 A)
0.22
100
Units
Ω
μF
μF
Description
2512, 1 W, 1% or better,
carbon film chip resistor
X5R minimum, 50 V or greater
Electrolytic, 50 V or greater
Allegro MicroSystems, LLC
8
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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