参数资料
型号: A1442EEWLT-P
厂商: Allegro Microsystems Inc
文件页数: 5/9页
文件大小: 0K
描述: IC DC MOTOR DRIVER LV 6-MLP
产品变化通告: Pre-EOL Notice 07/Feb/2012
标准包装: 1
应用: DC 电机驱动器,无刷(BLDC)
输出数: 1
电流 - 输出: 400mA
电源电压: 2 V ~ 4.2 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 6-XFDFN 裸露焊盘
供应商设备封装: 6-MLP/DFN 裸露焊盘(1.5x2)
包装: 标准包装
产品目录页面: 1140 (CN2011-ZH PDF)
其它名称: 620-1210-6
Low Voltage Full Bridge Brushless DC Motor Driver
A1442
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
with Hall Commutation and Soft Switching,
and Reverse Battery, Short Circuit, and Thermal Shutdown Protection
Characteristic Performance
Total Output On-Resistance versus Supply Voltage
I LOAD = 150 mA
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
V DD (V)
Functional Description
Soft Switching The A1442 device includes a soft-switch-
ing algorithm that controls the output switching slew rate for
both output pins. As a result the A1442 device is ideal for use in
applications requiring low audible switching noise and low EMI
interference.
Sleep Mode The Sˉ ˉLˉ ˉEˉ ˉEˉ ˉP pin accepts an external signal that
enables sleep mode. In sleep mode, the current consumption is
reduced to an extremely low level, conserving battery power in
portable electronics.
Antistall Algorithm If a stall condition occurs, the device will
execute an antistall algorithm.
Device Start-up The start-up behavior of the device output
is determined by the applied magnetic field, as specified in the
Operating Characteristics table.
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
4
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