A4987
DMOS Dual Full-Bridge PWM Motor Driver
with Overcurrent Protection
C3
C4
GND
C5
ROSC
C1
GND
GND
VDD
C6
GND
U1
OUT2B
GND
OUT2A
R4
R5
OUT1A
GND
GND
VBB
BULK
OUT1B
CAPACITANCE
C2
GND
C3
C4
C5
ROSC
C1
VDD
CP1
A4987
GND
CP2
VCP
VREG
INO2
IN12
IN11
ROSC
SLEEP
VDD
IN01
PH2
OUT2B
VBB2
PAD SENSE2
OUT2A R4
OUT1A
SENSE1
R5
VBB1
OUT1B
PH1
REF
GND
C6
C2
VBB
LP package typical application and circuit layout
Allegro MicroSystems, Inc.
10
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com