参数资料
型号: A3986SLDTR-T
厂商: Allegro Microsystems Inc
文件页数: 9/17页
文件大小: 0K
描述: IC DRIVER MICROSTEPPING 38-TSSOP
产品变化通告: A3986SLDTR-T NRND Status 08/Feb/2012
标准包装: 1
应用: 步进电机驱动器,2 相
输出数: 2
电压 - 负载: 12 V ~ 50 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: 38-TFSOP(0.173",4.40mm 宽)
供应商设备封装: 38-TSSOP
包装: 标准包装
产品目录页面: 1141 (CN2011-ZH PDF)
其它名称: 620-1166-6
A3986
STEP
100
71
Dual Full-Bridge MOSFET Driver
with Microstepping Translator
STEP
100
71
Slow
Slow
Slow
I OUT1B (%*)
Phase = 1,
0
Slow
I OUT1B (%*)
Phase = 1,
0
Mixed
Mixed
Mixed
Direction = H
–71
–100
100
Direction = H
–71
–100
100
71
71
Slow Slow
Slow
Slow
I OUT2B (%*)
Phase = 2,
0
I OUT2B (%*)
Phase = 2,
0
Mixed
Mixed
Mixed
Direction = H
Slow
Direction = H
–71
–100
*For precise definition of output levels, refer to table 3
Figure 2. Decay Mode for Full-Step Increments
STEP
100
92
71
–71
–100
*For precise definition of output levels, refer to table 3
Figure 3. Decay Modes for Half-Step Increments
I OUT1B (%*)
38
Slow
Mixed
Slow
Mixed
Slow
Phase = 1,
Direction = H
0
–38
–71
–92
–100
100
92
71
38
Slow
I OUT2B (%*)
Mixed
Slow
Mixed
Slow
Mixed
Phase = 2,
0
Direction = H
–38
–71
–92
–100
*For precise definition of output levels, refer to table 3
Figure 4. Decay Modes for Quarter-Step Increments
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
8
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