参数资料
型号: A4987SLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 13/17页
文件大小: 0K
描述: IC STEPPER MOTOR DRIVER 24TSSOP
特色产品: A498x Motor Driver Family
标准包装: 1
应用: PWM 电机驱动器,步进电机驱动器
评估套件: 可供
输出数: 1
电流 - 输出: ± 1A
电压 - 负载: 8 V ~ 35 V
电源电压: 3 V ~ 5.5 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-TSSOP(0.173",4.40mm)裸露焊盘
供应商设备封装: 24-TSSOP 裸露焊盘
包装: 标准包装
其它名称: 620-1345-6
A4987
100.0
66.7
33.3
DMOS Dual Full-Bridge PWM Motor Driver
With Overcurrent Protection
Phase 1
(%)
Phase 2
(%)
0
–33.3
–66.7
–100.0
100.0
66.7
33.3
0
–33.3
–66.7
–100.0
Figure 7. Step Sequence for Quarter-Step Increments
Step Sequencing Settings
Full
1/2
1
1/4
1
Phase 1
(%I TripMax )
0
I01
H
I11
H
PHASE
x
Phase 2
(%I TripMax )
100
I02
L
I12
L
PHASE
1
2
1 2 3
4
3 5
6
2 4 7
8
5 9
10
3 6 11
12
7 13
14
4 8 15
16
33
100/66*
100
100
100
100/66*
33
0
33
100/66*
100
100
100
100/66*
33
L
L/H*
L
L
L
L/H*
L
H
L
L/H*
L
L
L
L/H*
L
H
L
L
L
L
L
H
H
H
L
L
L
L
L
H
1
1
1
1
1
1
1
x
0
0
0
0
0
0
0
100
100/66*
33
0
33
100/66*
100
100
100
100/66*
33
0
33
100/66*
100
L
L/H*
L
H
L
L/H*
L
L
L
L/H*
L
H
L
L/H*
L
L
L
H
H
H
L
L
L
L
L
H
H
H
L
L
1
1
1
X
0
0
0
0
0
0
0
X
1
1
1
* Denotes modified step mode
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
13
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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