OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

A4987SLPTR-T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
DMOS Dual Full-Bridge PWM Motor Driver
With Overcurrent Protection
A4987
10
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
V
DD
V
BB
C2
ROSC
PAD
A4987
C5
C6
C3
C4
R4
R5
C1
OUT2B
OUT1B
OUT2A
OUT1A
VBB2
VBB1
PH1
SENSE2
SENSE1
CP1
GND
PH2
GND
CP2
VCP
VREG
ROSC
VDD
INO2
IN12
IN11
IN01
REF
SLEEP
GND
GND
GND
GND
GND
GND
GND
R4
U1
OUT2B
GND
R5
OUT2A
OUT1A
OUT1B
C3
C4
C5
ROSC
C2
C6
C1
VBB
VDD
CAPACITANCE
BULK
LP package typical application and circuit layout
DMOS Dual Full-Bridge PWM Motor Driver
With Overcurrent Protection
A4987
11
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
VCP
GND
CP2
GND
CP1V
BB
8 V
GND
VDD
GND GND
8 V
GND GND
8 V
V
BB
VREG
10 V
GND
DMOS
Parasitic
SENSE
V
REG
GND
VBB
40 V
GND
V
BB
OUT
DMOS
Parasitic
DMOS
Parasitic
GND
PGND GND
IN01
IN02
IN11
IN12
PH1
PH2
VREF
ROSC
SLEEP
Pin Circuit Diagrams
DMOS Dual Full-Bridge PWM Motor Driver
With Overcurrent Protection
A4987
12
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
Figure 5. Step Sequencing for Full-Step Increments.
0
100.0
66.7
–100.0
–66.7
(%)
Phase 1
0
100.0
66.7
–100.0
–66.7
(%)
Phase 2
Full step 2 phase
Modified full step 2 phase
Step Sequencing Diagrams
0
100.0
66.7
–100.0
–66.7
(%)
Phase 1
0
100.0
66.7
–100.0
–66.7
(%)
Phase 2
Half step 2 phase
Modified half step 2 phase
Figure 6. Step Sequencing for Half-Step Increments.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

A4987SLPTR-T

Mfr. #:
Buy A4987SLPTR-T
Manufacturer:
Description:
IC MTR DRV BIPOLR 3-5.5V 24TSSOP
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet